LT1-LT4 Modifications - Spring it up




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LT4buick94
04-29-2012, 12:29 PM
Installing 1.6 rocker arms on stock LT one should I use stock springs


guppymech
04-29-2012, 12:53 PM
Get yourself some LT4 springs. GM P/N 12495494

Boosted Firehawk
04-29-2012, 01:12 PM
u can if u have a stock cam still


RamAir95TA
04-29-2012, 06:21 PM
No you can't. Not reliably at least.

F0x Slaughter
04-29-2012, 07:34 PM
^ What he said.

Stock springs with 1.6RR puts them dangerously close to coil bind.