STD Tuning Engine '78 300D turbo results

'78 300D turbo results

'78 300D turbo results

 
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kamel
Naturally-aspirated SUCKS

176
08-16-2008, 06:55 PM #1
Well, I finally gave in and picked up a turbo and manifolds from the junkyard. I just need a little help converting my NA into a turbo setup. I plan on just overfueling across the board, as the NA injection pump does not have boost compensation and I remeber someone else doing this with good luck, unless someone can guide me on how to do it otherwise. Also, I need a way to get oil to the turbo. Would I be able to run one oil line to the oil cooler lines for supply?

Any help is appreciated. And I will install a pyrometer shortly.

'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs
kamel
08-16-2008, 06:55 PM #1

Well, I finally gave in and picked up a turbo and manifolds from the junkyard. I just need a little help converting my NA into a turbo setup. I plan on just overfueling across the board, as the NA injection pump does not have boost compensation and I remeber someone else doing this with good luck, unless someone can guide me on how to do it otherwise. Also, I need a way to get oil to the turbo. Would I be able to run one oil line to the oil cooler lines for supply?

Any help is appreciated. And I will install a pyrometer shortly.


'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs

winmutt
bitbanger

3,468
08-16-2008, 10:03 PM #2
kamel Well, I finally gave in and picked up a turbo and manifolds from the junkyard. I just need a little help converting my NA into a turbo setup. I plan on just overfueling across the board, as the NA injection pump does not have boost compensation and I remeber someone else doing this with good luck, unless someone can guide me on how to do it otherwise. Also, I need a way to get oil to the turbo. Would I be able to run one oil line to the oil cooler lines for supply?

Any help is appreciated. And I will install a pyrometer shortly.
You can install use the same oil plumbing from the turbo engine and use the back of the oil filter housing. Why not just install a turbo engine? You know they are not the same internally correct?

1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42
winmutt
08-16-2008, 10:03 PM #2

kamel Well, I finally gave in and picked up a turbo and manifolds from the junkyard. I just need a little help converting my NA into a turbo setup. I plan on just overfueling across the board, as the NA injection pump does not have boost compensation and I remeber someone else doing this with good luck, unless someone can guide me on how to do it otherwise. Also, I need a way to get oil to the turbo. Would I be able to run one oil line to the oil cooler lines for supply?

Any help is appreciated. And I will install a pyrometer shortly.
You can install use the same oil plumbing from the turbo engine and use the back of the oil filter housing. Why not just install a turbo engine? You know they are not the same internally correct?


1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42

kamel
Naturally-aspirated SUCKS

176
08-17-2008, 12:23 AM #3
Thanks for the response!

Yes, I fully understand this and turbo motor may be an option eventually. I will only be running 5 psi at most so it should make a noticeable difference. Speaking of which, how do I set the wastegate so I don't kill it prematurely? Smile

'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs
kamel
08-17-2008, 12:23 AM #3

Thanks for the response!

Yes, I fully understand this and turbo motor may be an option eventually. I will only be running 5 psi at most so it should make a noticeable difference. Speaking of which, how do I set the wastegate so I don't kill it prematurely? Smile


'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs

winmutt
bitbanger

3,468
08-17-2008, 06:13 AM #4
kamel Thanks for the response!

Yes, I fully understand this and turbo motor may be an option eventually. I will only be running 5 psi at most so it should make a noticeable difference. Speaking of which, how do I set the wastegate so I don't kill it prematurely? Smile
Google "adjusting wastegate garrett".

1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42
winmutt
08-17-2008, 06:13 AM #4

kamel Thanks for the response!

Yes, I fully understand this and turbo motor may be an option eventually. I will only be running 5 psi at most so it should make a noticeable difference. Speaking of which, how do I set the wastegate so I don't kill it prematurely? Smile
Google "adjusting wastegate garrett".


1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42

bgkast
VGT-Intercooled

325
09-28-2008, 12:46 AM #5
You will probably need to find a custom spring, or new wastegate to run that low of boost.
bgkast
09-28-2008, 12:46 AM #5

You will probably need to find a custom spring, or new wastegate to run that low of boost.

kamel
Naturally-aspirated SUCKS

176
09-29-2008, 02:46 AM #6
Thanks. I decided to go ahead with the turbo install, tapped into the oil pressure gauge line for the feed and the return is in the pan. I might wind up using another turbo I have on hand, also a T3, but this ones from a volvo and has an external wastegate.

Earlier this evening, since I have the oil filter housing off, I started the rack limiter removal procedure, and got quite frustrated. How is the ADA removed from the plate? I tried unscrewing the plate and ADA as one unit, but it seemed to just spin around. I know it doesn't have to be taken off, but as it is, it's much harder to even see what I'm doing than I ever expected.

Also, I had the pump all set to give birth the the limiter, but it dropped down, but is still in the upper portion of the IP. At this point, would it just be easier to remove the pump and dig out the limiter? Do the individual lines have to be bled if removed? Once the limiter is removed, do the 19mm and 13mm bolts go back in?

Sorry for the questions, but these diesels are far more complex than any gasser I've worked on.

'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs
kamel
09-29-2008, 02:46 AM #6

Thanks. I decided to go ahead with the turbo install, tapped into the oil pressure gauge line for the feed and the return is in the pan. I might wind up using another turbo I have on hand, also a T3, but this ones from a volvo and has an external wastegate.

Earlier this evening, since I have the oil filter housing off, I started the rack limiter removal procedure, and got quite frustrated. How is the ADA removed from the plate? I tried unscrewing the plate and ADA as one unit, but it seemed to just spin around. I know it doesn't have to be taken off, but as it is, it's much harder to even see what I'm doing than I ever expected.

Also, I had the pump all set to give birth the the limiter, but it dropped down, but is still in the upper portion of the IP. At this point, would it just be easier to remove the pump and dig out the limiter? Do the individual lines have to be bled if removed? Once the limiter is removed, do the 19mm and 13mm bolts go back in?

Sorry for the questions, but these diesels are far more complex than any gasser I've worked on.


'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs

winmutt
bitbanger

3,468
09-29-2008, 01:59 PM #7
A magnet pen is your friend. The bolts do not go back.

1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42
winmutt
09-29-2008, 01:59 PM #7

A magnet pen is your friend. The bolts do not go back.


1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42

kamel
Naturally-aspirated SUCKS

176
09-30-2008, 12:23 AM #8
Somehow managed to get the limiter out. The pen magnet size is very important, the one I was using was about 3/8" wide and I couldn't get it down in their to retrieve it. So, I borrowed a snap-on 1/4" and after wiggling the limiter around, I can out with relative ease.

I decided to turn this thread into a documentation of installing my turbo, now that I've got it mostly figured out.

'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs
kamel
09-30-2008, 12:23 AM #8

Somehow managed to get the limiter out. The pen magnet size is very important, the one I was using was about 3/8" wide and I couldn't get it down in their to retrieve it. So, I borrowed a snap-on 1/4" and after wiggling the limiter around, I can out with relative ease.

I decided to turn this thread into a documentation of installing my turbo, now that I've got it mostly figured out.


'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs

kamel
Naturally-aspirated SUCKS

176
10-07-2008, 03:40 AM #9
So I finally got a chance to drive her with the turbo installed and fully functioning.

My initial thoughts, turbo lag sucks, but the boost and the turbo spool sound alone is worth it.

Off boost, it seems slower than before, but once it gets going, a definate increase is noticed. It took a good couple seconds off my 0-60 times and is much smoother in the higher RPM range than the NA setup. Doesn't smoke too bad, just off the line and at shiftpoints.

So far, I think the greatest benefit by far is the exhaust note, especially with the temporary 3" downpipe I'm running now.

'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs
kamel
10-07-2008, 03:40 AM #9

So I finally got a chance to drive her with the turbo installed and fully functioning.

My initial thoughts, turbo lag sucks, but the boost and the turbo spool sound alone is worth it.

Off boost, it seems slower than before, but once it gets going, a definate increase is noticed. It took a good couple seconds off my 0-60 times and is much smoother in the higher RPM range than the NA setup. Doesn't smoke too bad, just off the line and at shiftpoints.

So far, I think the greatest benefit by far is the exhaust note, especially with the temporary 3" downpipe I'm running now.


'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs

winmutt
bitbanger

3,468
10-07-2008, 08:44 AM #10
kamel So I finally got a chance to drive her with the turbo installed and fully functioning.

My initial thoughts, turbo lag sucks, but the boost and the turbo spool sound alone is worth it.

Off boost, it seems slower than before, but once it gets going, a definate increase is noticed. It took a good couple seconds off my 0-60 times and is much smoother in the higher RPM range than the NA setup. Doesn't smoke too bad, just off the line and at shiftpoints.

So far, I think the greatest benefit by far is the exhaust note, especially with the temporary 3" downpipe I'm running now.
What is the avg 0-60 now?

1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42
winmutt
10-07-2008, 08:44 AM #10

kamel So I finally got a chance to drive her with the turbo installed and fully functioning.

My initial thoughts, turbo lag sucks, but the boost and the turbo spool sound alone is worth it.

Off boost, it seems slower than before, but once it gets going, a definate increase is noticed. It took a good couple seconds off my 0-60 times and is much smoother in the higher RPM range than the NA setup. Doesn't smoke too bad, just off the line and at shiftpoints.

So far, I think the greatest benefit by far is the exhaust note, especially with the temporary 3" downpipe I'm running now.
What is the avg 0-60 now?


1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42

kamel
Naturally-aspirated SUCKS

176
10-09-2008, 12:38 AM #11
Well, prior to the turbo, I was averaging 15 sec on the 0-60. Now, it's doing it in about 12.

'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs
kamel
10-09-2008, 12:38 AM #11

Well, prior to the turbo, I was averaging 15 sec on the 0-60. Now, it's doing it in about 12.


'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs

kamel
Naturally-aspirated SUCKS

176
10-23-2008, 05:43 PM #12
Swapped out the turbo for a A/R TB03 from a volvo 740I. Spools up much faster and the car's a lot happier at 8psi. The turbo pitch also changed, more of a whistle than wooshing like the other one did.

'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs
kamel
10-23-2008, 05:43 PM #12

Swapped out the turbo for a A/R TB03 from a volvo 740I. Spools up much faster and the car's a lot happier at 8psi. The turbo pitch also changed, more of a whistle than wooshing like the other one did.


'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs

bgkast
VGT-Intercooled

325
10-24-2008, 05:56 PM #13
Sorry, but NFW are you at 12 seconds 0-60. That's faster than the factory specs for the turbo cars (factory spec was around 15 sec off the top of my head). My car is around 15 seconds 0-60 with a factory turbo engine and VGT.
bgkast
10-24-2008, 05:56 PM #13

Sorry, but NFW are you at 12 seconds 0-60. That's faster than the factory specs for the turbo cars (factory spec was around 15 sec off the top of my head). My car is around 15 seconds 0-60 with a factory turbo engine and VGT.

GREASY_BEAST
Holset

411
10-25-2008, 12:12 AM #14
+1
GREASY_BEAST
10-25-2008, 12:12 AM #14

+1

ForcedInduction
Banned

3,628
10-25-2008, 03:51 AM #15
+2, bgkast is right. Either your speedo is showing fast or you're thumb is moving fast.
ForcedInduction
10-25-2008, 03:51 AM #15

+2, bgkast is right. Either your speedo is showing fast or you're thumb is moving fast.

kamel
Naturally-aspirated SUCKS

176
10-27-2008, 12:40 AM #16
That may be so, the speedo stopped did take a poop a couple months back before I had the turbo. I don't see why a properly tuned (exhaust, intake, electric fan, no a/c, IP timing set to 26*btdc) N/A can't do 15s when the stock turbo 300D does it in 14.

But, I do think it's completely possible that I could be gauging the 0-60 wrong between driving, watching the gps, and starting and stopping a stopwatch.

Don't want to start a war over this, so the only way to see what it is and to remove the possibility of human error would be dyno, which I hope can happen soon.

'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs
kamel
10-27-2008, 12:40 AM #16

That may be so, the speedo stopped did take a poop a couple months back before I had the turbo. I don't see why a properly tuned (exhaust, intake, electric fan, no a/c, IP timing set to 26*btdc) N/A can't do 15s when the stock turbo 300D does it in 14.

But, I do think it's completely possible that I could be gauging the 0-60 wrong between driving, watching the gps, and starting and stopping a stopwatch.

Don't want to start a war over this, so the only way to see what it is and to remove the possibility of human error would be dyno, which I hope can happen soon.


'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs

ForcedInduction
Banned

3,628
10-27-2008, 01:00 AM #17
kamel I don't see why a properly tuned (exhaust, intake, electric fan, no a/c, IP timing set to 26*btdc) N/A can't do 15s when the stock turbo 300D does it in 14.

30% less power might have something to do with it.
ForcedInduction
10-27-2008, 01:00 AM #17

kamel I don't see why a properly tuned (exhaust, intake, electric fan, no a/c, IP timing set to 26*btdc) N/A can't do 15s when the stock turbo 300D does it in 14.

30% less power might have something to do with it.

kamel
Naturally-aspirated SUCKS

176
10-27-2008, 01:10 AM #18
It was pretty craptacular stock, so the speedometer was probably way off. It's sounding more like I'm doing maybe 14 now. :oops:

'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs
kamel
10-27-2008, 01:10 AM #18

It was pretty craptacular stock, so the speedometer was probably way off. It's sounding more like I'm doing maybe 14 now. :oops:


'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs

bgkast
VGT-Intercooled

325
11-03-2008, 06:26 PM #19
Check your spedo at 60 with a gps, then use a vido camera to record your 0-60 run and time it from the video.
bgkast
11-03-2008, 06:26 PM #19

Check your spedo at 60 with a gps, then use a vido camera to record your 0-60 run and time it from the video.

JB3
Superturbo

1,795
08-24-2010, 07:56 AM #20
Obviously, this was 2 years ago now, but can you give us an idea of how the engine is doing after 2 years of turbo service?

I am doing a similar swap to my 240, and am looking for long term reports on the NA engine reliability after its been turbo charged.
This post was last modified: 08-24-2010, 07:59 AM by JB3.

1974 240D 617 turbo swap, W201 5-speed, in the works project
1983 240D 616 stock, DD
1989 Chevy Astro, 617 turbo swap, T5 5-speed, 4.56 diff, work van

JB3
08-24-2010, 07:56 AM #20

Obviously, this was 2 years ago now, but can you give us an idea of how the engine is doing after 2 years of turbo service?

I am doing a similar swap to my 240, and am looking for long term reports on the NA engine reliability after its been turbo charged.


1974 240D 617 turbo swap, W201 5-speed, in the works project
1983 240D 616 stock, DD
1989 Chevy Astro, 617 turbo swap, T5 5-speed, 4.56 diff, work van

ForcedInduction
Banned

3,628
08-24-2010, 08:31 AM #21
(08-24-2010, 07:56 AM)dropnosky and am looking for long term reports on the NA engine reliability after its been turbo charged.

It doesn't get much better than the original source.
http://papers.sae.org/780633/
ForcedInduction
08-24-2010, 08:31 AM #21

(08-24-2010, 07:56 AM)dropnosky and am looking for long term reports on the NA engine reliability after its been turbo charged.

It doesn't get much better than the original source.
http://papers.sae.org/780633/

kamel
Naturally-aspirated SUCKS

176
08-24-2010, 02:30 PM #22
Hasn't given me any trouble aside from toasting the auto tranny. Redoing the manual driveline with a match balanced flywheel, custom driveshaft, stainless linkages, all hardline, and just general tidying up right now so its been a couple months since its been driven. That and the 110* summer heat is too hot to drive a car with no hvac. Haha

'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs
kamel
08-24-2010, 02:30 PM #22

Hasn't given me any trouble aside from toasting the auto tranny. Redoing the manual driveline with a match balanced flywheel, custom driveshaft, stainless linkages, all hardline, and just general tidying up right now so its been a couple months since its been driven. That and the 110* summer heat is too hot to drive a car with no hvac. Haha


'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs

JB3
Superturbo

1,795
08-24-2010, 07:07 PM #23
Thanks kamel,
ok, that makes 3 people on the board who have a turbo converted NA 240D or 300D with some decent mileage and time without it exploding on lower power settings, now I am further emboldened with my own project. Big Grin

Thanks for the link forced, going to order up that paper, it will answer a lot of internal questions
This post was last modified: 08-24-2010, 07:09 PM by JB3.

1974 240D 617 turbo swap, W201 5-speed, in the works project
1983 240D 616 stock, DD
1989 Chevy Astro, 617 turbo swap, T5 5-speed, 4.56 diff, work van

JB3
08-24-2010, 07:07 PM #23

Thanks kamel,
ok, that makes 3 people on the board who have a turbo converted NA 240D or 300D with some decent mileage and time without it exploding on lower power settings, now I am further emboldened with my own project. Big Grin

Thanks for the link forced, going to order up that paper, it will answer a lot of internal questions


1974 240D 617 turbo swap, W201 5-speed, in the works project
1983 240D 616 stock, DD
1989 Chevy Astro, 617 turbo swap, T5 5-speed, 4.56 diff, work van

Captain America
Boostin' & Roostin'

2,221
08-24-2010, 11:04 PM #24
What internal questions (answers) you looking for?
This post was last modified: 08-24-2010, 11:04 PM by Captain America.


1982 300D Turbo ... 3,6xxlbs, No fan, No AC, Hood Stack, No ALDA, No rear bumper and stuffed front, A/W Intercooled, Injectors by Greezer and HUGE Pre-Chambers with help from OM616 & Simpler=Better, Fuel Cranked up, 60 Trim Compressor wheel, EGT, EMP, Boost 50" Rigid Radius bar on roof Aux tank for a total of 48 Gal Of Diesel! Odyssey PC-1750 Battery in trunk, 27"x8.5"/R14 Maxxis BigHorn Mud Terrains, In June '14 issue of Off Road Mag

AX15 Jeep Trans swap in progress....

Captain America
08-24-2010, 11:04 PM #24

What internal questions (answers) you looking for?



1982 300D Turbo ... 3,6xxlbs, No fan, No AC, Hood Stack, No ALDA, No rear bumper and stuffed front, A/W Intercooled, Injectors by Greezer and HUGE Pre-Chambers with help from OM616 & Simpler=Better, Fuel Cranked up, 60 Trim Compressor wheel, EGT, EMP, Boost 50" Rigid Radius bar on roof Aux tank for a total of 48 Gal Of Diesel! Odyssey PC-1750 Battery in trunk, 27"x8.5"/R14 Maxxis BigHorn Mud Terrains, In June '14 issue of Off Road Mag

AX15 Jeep Trans swap in progress....

 
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