Quote:
Originally Posted by goquick
And for your 6200 I can build a Pontiac that will make more power and get just as good of mpg. Plus he wouldn't have to spend another 2770 just to try to get it in the car. pLUS UNLIKE WHAT YOU had TO DO he wouldn't have to spend the money for a transmission, extra money for an over rated efi (actuly an inferior system to a well prepped carb) But my combo would use an iron block, (factory production piece) and alum. heads. Now if you think the l;s3 is a great engine, then whatever, but I've built a couple of them and driven the cars they are in and frankly, I am not at all impressed with them.
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Your iron block engine is too heavy and will out-weigh the aluminum block LS3 by an easy 150#.
The fact that I wanted to knock a lot of weight off the front end of my car was a big factor, I want it to turn corners. Plus since my LS3 weighs less means it has a power advantage right there, it won't need to haul another 150# around even in a straight line.
Your 450 - 470 HP Pontiac engine (the LS3 easily makes these numbers with just headers) without EFI won't pull down consistent highway mileage numbers even close to 25 MPG.
So you can't build a Pontiac engine for even close to the same money that will do what the LS3 can do. Neither could I, that's why I chose the LS3.
The thing you can never do for any reasonable cost is make it weigh around 400# fully-dressed, let's not pretend that doesn't matter.
Very lightweight, EFI, fuel efficient, factory 24 month/24K mile warranty.