04-19-2007, 06:37 PM
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CC Member
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Join Date: May 2002
Location: Brisbane Australia,
QLD
Cobra Make, Engine: RMC under re-construction, GenIV with tremec 600, Jag 3.31 L/S diff
Posts: 3,318
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Not Ranked
Nigel, You are most welcome.
Frankly, I really don't know why you wish to dispose of the L76. Mind you, I'd love an LS2 but the extra $ cost just didn't add up.
I guess the LS2 is GM's performance engine and they have done all the tuning work thereby making it a drop in and go.
The L76 however, is an engine with tremendous possibilities and future potential. The tuners are only now starting to understand the vagrancies of the E38 ECM. The new 07 LS2 will/use this same ECM .
We are never happy with whatever engine we have. Looking thru the Australian forum you'll find folks with LS1, LS6, and LS2 all fiddling to get more and more from them.
The only thing that concerns me with the L76(in a minor way) is the presence of the DOD hardware as opposed to the L98( same basic engine minus DOD hardware). Reading heaps on US sites it appears that the ramp profile on the DOD affected cam lobes are gentler than on the non DOD lobes. This is what has restricted the L76 as the emphasis by GM was to optimize the fuel usage with little or no effort towards performance. After all, it was designed to be an SUV engine.
So a simple cam change and tune will really wake the L76. ( I would surely get a tune and possibly a cam if I had a LS2 anyways) . So the approx $3000 saved in buying the L76 will go a long way towards putting a cam in the L76.
Cheers and best of luck with your build
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Last edited by Rebel1; 04-19-2007 at 06:40 PM..
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