5.3 cam question
02-09-2012, 07:46 PM
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5.3 cam question 
I am caming out my 5.3 nd idk if i should rebuild my engine or not...forged pistons nd all that cause im also gonna be spraying some nitrous on it ..n e opinions? ..ohh nd also port nd polishing my 5.3 heads with 202 valves ..
02-09-2012, 09:33 PM
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what yr motor ,and what head casting numbers ?get some price quotes from local head porters and compare to some ls tech vendors,like TSP.to pick a cam you will need to tell people every thing about the engine and the car it is being used in.
02-10-2012, 12:06 AM
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formerly lamborado (1-12-2012)
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Ive been spraying a 200 shot on my stock 5.3 for 5 years and never had a problem, dynoed 341rwhp with cam, tune, and longtubes, I did replace the connecting rod bolts with the oem arp bolts, I eventually did p&p 862s and a tbss intake, went 7.40 @ 91 my cam is a custom grind from comp, 224/230 .581/.588 112. I have about 86k on the clock started spraying at 38k, I wouldnt worry about it to much, theres guys spraying 100-150 shots on 5.3s with over 200k on em.
02-10-2012, 10:33 AM
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well unless you have a built trans its gonna explode cus the 4l60e sucks in these trucks once you start adding power, i would suggest a shift kit, corvette servo, will prolong the life of the trans until you can get it built, or swap it with an 80e.
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02-10-2012, 01:12 PM
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Circle d, sells em, or finish line transmissions, or a reputable trans builder, for the top of the line finish line trans I think its 2500$ that why I said just get an 80e and stall and be done with it.
