STD Tuning Engine compression ratio??

compression ratio??

compression ratio??

 
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pmj4147
T04R + TD06

42
02-17-2014, 10:08 AM #1
Does anyone know 2.9ltr 602LA stock compression ratio??

I'm thinking about lowering the CR...

For more boost!!!!!!!!!!!!



I used 2bar normal, 2.3bar peak but didn't holded much

Head gasket blowedSad
This post was last modified: 02-17-2014, 10:08 AM by pmj4147.

-------------------------------------------
2002. 09 Ssangyong Musso SUT
OM662STP + 7.5mm + TD06-25G with customized 84mm compressor(2.4Bar)
-------------------------------------------
2002. 12 Ssangyong Korando
OM662LA 2.9ltr + RS191 5.5mm stock
-------------------------------------------
pmj4147
02-17-2014, 10:08 AM #1

Does anyone know 2.9ltr 602LA stock compression ratio??

I'm thinking about lowering the CR...

For more boost!!!!!!!!!!!!



I used 2bar normal, 2.3bar peak but didn't holded much

Head gasket blowedSad


-------------------------------------------
2002. 09 Ssangyong Musso SUT
OM662STP + 7.5mm + TD06-25G with customized 84mm compressor(2.4Bar)
-------------------------------------------
2002. 12 Ssangyong Korando
OM662LA 2.9ltr + RS191 5.5mm stock
-------------------------------------------

F.R.A.S
Holset

579
02-17-2014, 10:26 AM #2
Headgasket failure is not due to compression ratio. Try o-ringing the block or block and head or use another type of gasket.

F-tune Performance [Image: V-band_om606.jpg] [Image: GTX3582R.jpg] [Image: gs6-53dz_gearbox.jpg]

I can help you out with all your manual transmission, clutch, flywheel, intake and exhaust manifold issues.
F.R.A.S
02-17-2014, 10:26 AM #2

Headgasket failure is not due to compression ratio. Try o-ringing the block or block and head or use another type of gasket.


F-tune Performance [Image: V-band_om606.jpg] [Image: GTX3582R.jpg] [Image: gs6-53dz_gearbox.jpg]

I can help you out with all your manual transmission, clutch, flywheel, intake and exhaust manifold issues.

Eric78
GT2559V

196
02-17-2014, 11:58 PM #3
Is it 22:1? all the Merc OM60# engines are 22:1, although I've heard that Ssangyong uses 18:1.
Eric78
02-17-2014, 11:58 PM #3

Is it 22:1? all the Merc OM60# engines are 22:1, although I've heard that Ssangyong uses 18:1.

hansendk
TA 0301

51
02-18-2014, 04:44 AM #4
according to the SsangYong manual OM662LA is 22:1

lowering the ratio is normally used on marine engines to get higher HP
your US guys just look at Chevy 6,5 TD they use marine pistons to lower the ratio,
as long as you accept less low rpm performance and that it uses more fuel it can be done
hansendk
02-18-2014, 04:44 AM #4

according to the SsangYong manual OM662LA is 22:1

lowering the ratio is normally used on marine engines to get higher HP
your US guys just look at Chevy 6,5 TD they use marine pistons to lower the ratio,
as long as you accept less low rpm performance and that it uses more fuel it can be done

pmj4147
T04R + TD06

42
02-19-2014, 04:02 AM #5
i found the info of it....
all of 60* engines are 22:1, Mine too.......................

But.....What's the lower limit of CR???

I thought 18:1 would be great
But dunno exactly.

-------------------------------------------
2002. 09 Ssangyong Musso SUT
OM662STP + 7.5mm + TD06-25G with customized 84mm compressor(2.4Bar)
-------------------------------------------
2002. 12 Ssangyong Korando
OM662LA 2.9ltr + RS191 5.5mm stock
-------------------------------------------
pmj4147
02-19-2014, 04:02 AM #5

i found the info of it....
all of 60* engines are 22:1, Mine too.......................

But.....What's the lower limit of CR???

I thought 18:1 would be great
But dunno exactly.


-------------------------------------------
2002. 09 Ssangyong Musso SUT
OM662STP + 7.5mm + TD06-25G with customized 84mm compressor(2.4Bar)
-------------------------------------------
2002. 12 Ssangyong Korando
OM662LA 2.9ltr + RS191 5.5mm stock
-------------------------------------------

 
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