LT1-LT4 Modifications - Spring it up
04-29-2012, 01:29 PM
Installing 1.6 rocker arms on stock LT one should I use stock springs
04-29-2012, 01:53 PM
Get yourself some LT4 springs. GM P/N 12495494
04-29-2012, 02:12 PM
u can if u have a stock cam still
04-29-2012, 07:21 PM
No you can't. Not reliably at least.
04-29-2012, 08:34 PM
^ What he said.
Stock springs with 1.6RR puts them dangerously close to coil bind.
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