Iron ls1 into C5?

[wandererdenali]

Well bought a 1999 C5 with around 160 thousand miles. The Engine does not have the power of an even stock vette anymore. Raced my brothers stock 2002 Z28 and lost really really bad. Vette has ram air only mode. Will my iron 5.7 work on the vette by that i mean oil pan will it fit on the 5.3 block? Also any thing anyone might know please help. Rear end on the vette spent most my extra money on it so trying to use the engine from the truck. Ls1 will be going in the truck. Truck rarely gets used just trying to make this vette my dd and want it fast.

[jansen]

It'll swap right over no prob.

[bangbangskeetskeet]

Why would you swap over an iron LS1 when it already has a real alum LS1 in it?

Just do some mods to the vette and leave the motor in the truck.

[George C]

not 100% true, the vette motors have a specific bolt boss in the block for the vettes. Iron motors dont have these and may lead to issues on installment

It'll swap right over no prob.

[jansen]

not 100% true, the vette motors have a specific bolt boss in the block for the vettes. Iron motors dont have these and may lead to issues on installment

what are you calling a bolt boss? I'm not arguing, just trying to figure out what your talking about.

[George C]

its where the vettes motor mount bolts to. most Gen III motors have 4 bosses on each side the vettes have 6

[DBRODS]

The iron motor will bolt right up in a C5. The LS1/6 blocks have 6 mount holes on the driverside and 5 mount holes on the passenger side. It still just uses the front 4 holes like a iron block. The other holes are used for grounds. I've done a couple of these swaps. I have a C5Z in the shop now that just got a 408.