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: On how far you can bore over a Z without pushing the limits of its structural integrity? I emailed kyle about his 3.3 stroker kit and he said it was a race only application. Most of you guys who have made the leap are basically 3.2's right? I have seen pics of ZFJ's 3.7L, and, WOW!!!, I'm guessing no street Z Has done that before, if so very few. I'm gonna have to rebuild my engine soon, I'm trying to feel out what internals (JE, JUN, crower, eagle)are best(performance, reliability and price), and the best piston size to go with, and still be a reliable vehicle. I know the words "limited budget" and "rebuilt Z" don't exactly complement each other. It's not a 3.7 :-( Carl Curo did the math and it's only a 3.56, but I can still say it's a 3.6L.
You can bore the stock sleeves out to 90mm which will make it a 3.2L engine. That is really the cheapest and easiest way to go. After that is stroking the crank and /or replacing the sleeves both are very expensive. I don't even know what Paeco charged me for the resleeving, all I know is they were the only ones that would do it.
Keep in mind that the Jun Bonneville Z ran 1000hp on a 3.1L engine, with a balanced stock crank, and stock block. The VG is plenty strong.
Z from Japan CoolPhotos Guess where these are going....
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