ls1 main bolts
03-02-2009, 08:20 PM
#1
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ls1 main bolts since the main bolts are tty i dont feel right reusing them but i cant find any bolts only arp studs and i cant find anywhere that says use new ones. im also contemplating because my forged 347 turned out to be a 98 block. should i rebuild it with a ported oil pump will it be good for 550-600rwhp has lunati rods/ross pistons
03-04-2009, 05:19 AM
#3
The main cap bolts are NOT 1 time use TTY and can in fact be re-used. The head bolts, are 1 time use only and so is the crank pully bolt. they recomend replacing the side cap bolts because they have the orange sealent on them and if you dont re seal them the will leak. If you feel better about replacing them here are the part numbers...
#12560272 -Main Cap Bolt SOLD AS A SINGLE
#12560273 -Main Cap Bolt W/Stud for windage tray SOLD AS A SINGLE
#12556127 -Cross Bolts though the block into the side's of the main caps SOLD AS A SINGLE
#12560272 -Main Cap Bolt SOLD AS A SINGLE
#12560273 -Main Cap Bolt W/Stud for windage tray SOLD AS A SINGLE
#12556127 -Cross Bolts though the block into the side's of the main caps SOLD AS A SINGLE
