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Old 12-23-2019, 06:34 AM
roylee62 roylee62 is offline
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Join Date: Dec 2004
Location: Canada
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Quote:
Originally Posted by glhs#116 View Post
Ponyakr, I think he is talking about building a Pontiac V8 using tricks from the LS engineering playbook..

Sam
Thx for the clarification. Yes, that's exactly what I mean. I cringe seeing a chevy motor in a classic Pontiac as much as anyone.

The other big variable is compression. Many late model cars of all makes run relatively high c.r.'s. 10:1 or better. This is more a function of combustion chamber design and other variables not so easy to bolt on.

Also, I meant to say 20mpg with late model trans but of course ymmv with trans choice.