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· Registered
Black 08, A&A TI supercharger. Kooks headers. CCW wheels. Much more
12,555 Posts
Discussion Starter · #1 ·
been conflicting arguements about L98 vettes being 2 or 4 bolt main.i figured if any one knew for sure its the man with the killer custom makes a big difference for my friend,if its 2 bolt-no nitrous.i remember something on the engine pad,but dont know what it should read:rolleyes:

· Super Moderator
8,627 Posts
almost all L98 blocks were TWO BOLT MAIN BLOCKS, but there were a very few exceptions that had 4 bolt blocks

10054727...350...86-up...2 or piece rear seal, some "Made in Canada"

14088548...350...86-88...2 or 4

14093638...350...87-95...2 or 4...Roller or flat tappet cam
one-piece rear seal
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