STD Tuning Engine w115 NA intake vs w123 NA intake

w115 NA intake vs w123 NA intake

w115 NA intake vs w123 NA intake

 
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turbo_reboot
Naturally-aspirated

10
07-27-2012, 03:03 PM #1
the om617 fitted in the non turbo w123 http://www.superturbodiesel.com/std/thre...e+manifold has slightly higher torque values then the high rise one in the w115 - both at the same 2400 rpm.
is this due to the longer and straighter runners making the helmholtz effect work better on the w123 or did MB make some OTHER enhancements to the later engine?
would this intake, providing you can get the t3 turbo to fit, be more advantageous than the w115 intake at the proper rpms?
turbo_reboot
07-27-2012, 03:03 PM #1

the om617 fitted in the non turbo w123 http://www.superturbodiesel.com/std/thre...e+manifold has slightly higher torque values then the high rise one in the w115 - both at the same 2400 rpm.
is this due to the longer and straighter runners making the helmholtz effect work better on the w123 or did MB make some OTHER enhancements to the later engine?
would this intake, providing you can get the t3 turbo to fit, be more advantageous than the w115 intake at the proper rpms?

Hercules
GT2559V

219
07-27-2012, 05:10 PM #2
Mbz made changes in pistons,prechambers and possible cam.
Hercules
07-27-2012, 05:10 PM #2

Mbz made changes in pistons,prechambers and possible cam.

Austincarnut
Holset

298
07-27-2012, 07:53 PM #3
Has anyone on here tried swapping around cams off of one of these? Is there a possibility that the NA engines camshafts might add a little? I have access to several earlier 617 NA engines and always wondered about that.
Austincarnut
07-27-2012, 07:53 PM #3

Has anyone on here tried swapping around cams off of one of these? Is there a possibility that the NA engines camshafts might add a little? I have access to several earlier 617 NA engines and always wondered about that.

 
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