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Flippindabird · 08-11-2010, 09:23 AM

ok t5 swap is scratched as i have a new problem i removed the heads to inspect the shortblock because my lifters looked a little muddy when i swapped the LT1 cam in yesterday, when removing the heads i hit the valve cover lip with the mallet and took a chunk out so now im forced to take the heads to the machine shop, luckily im selling some of my parts for 700$ and it will cover the head work pretty easy, now ill be using a ZZ4 cam and better springs so all you guys should be happy, the shortblock looks great however i now believe the po's story about the engine being rebuilt a short time ago with marine performance stuff. im gonna install the new HV oil pump and and reinstall the oil pan and wait on the heads.... so how much power should i make with

4 bolt vortec block,
vortec heads rebuilt with manly race flow valves(1.95/1.5) 30 degree back cut etc
zz4 cam
performer RPM intake
Hooker 2055Rs(1 5/8" primary 3" collectors)
into a SLP LM for 4th gens(single 3" glasspack dual 2.5 outs)
stock Qjet and HEI

sound like i should be solid in the 13s? i have 3.23 gears now but i will try to get some 373s in before the end of the year and the stall should be around 2500 the rear tires will be a limiting factor im sure 245/55/16s as well as the stock suspension, the car is pretty much gutted right now so should be pretty light for a thirdgen no egr no ac no AIR no interior im even thinking of getting rid of the stereo and speakers because im sure its gonna have to be way up to hear it anyway, itll have a fiberglass hood and a aluminum driveshaft im guessing somewhere around 31-3200 it was 3350 from the factory according to the build sheet any guesses?

08-11-2010, 09:23 AM	#28
Flippindabird Join Date: Mar 2010 Location: The Pocono Moutains Posts: 142 iTrader: (1)	ok t5 swap is scratched as i have a new problem i removed the heads to inspect the shortblock because my lifters looked a little muddy when i swapped the LT1 cam in yesterday, when removing the heads i hit the valve cover lip with the mallet and took a chunk out so now im forced to take the heads to the machine shop, luckily im selling some of my parts for 700$ and it will cover the head work pretty easy, now ill be using a ZZ4 cam and better springs so all you guys should be happy, the shortblock looks great however i now believe the po's story about the engine being rebuilt a short time ago with marine performance stuff. im gonna install the new HV oil pump and and reinstall the oil pan and wait on the heads.... so how much power should i make with 4 bolt vortec block, vortec heads rebuilt with manly race flow valves(1.95/1.5) 30 degree back cut etc zz4 cam performer RPM intake Hooker 2055Rs(1 5/8" primary 3" collectors) into a SLP LM for 4th gens(single 3" glasspack dual 2.5 outs) stock Qjet and HEI sound like i should be solid in the 13s? i have 3.23 gears now but i will try to get some 373s in before the end of the year and the stall should be around 2500 the rear tires will be a limiting factor im sure 245/55/16s as well as the stock suspension, the car is pretty much gutted right now so should be pretty light for a thirdgen no egr no ac no AIR no interior im even thinking of getting rid of the stereo and speakers because im sure its gonna have to be way up to hear it anyway, itll have a fiberglass hood and a aluminum driveshaft im guessing somewhere around 31-3200 it was 3350 from the factory according to the build sheet any guesses? __________________ run 12s with a JUNK motor! ^^^^^my new mantra^^^