Junkyard 5.3 build running 9's - Page 2 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

SIXJAK · 03-23-2012, 07:58 PM

Quote:

Originally Posted by zebra

i'm a little biased & prefer the GMT800, but having had 2 of the 90s style trucks, i also really like the GMT400 - it's a rock-solid platform. as for your truck, a 350 is an easy swap... but an LS conversion ain't that hard at all & gives you more room to play.

as for your transmission, it's literally the same one that's in my truck & is ridiculously underrated. all those jealous 4L60E nerds crying about 'it's only rated for 300lb-ft' usually have no real experience with it. i called Joe Gibbs Racing & talked to one of the guys who designed the supercharger package for the Silverados & he said they left the trans bone-stock & never had an issue out of it. then i've talked to a guy (and seen his build videos) who swapped his 4.3 out for a 454, beat it like a red-headed step child, and then swapped the 454 for an 8.1 and beat on it some more. your trans will hold up. heck... last time i raced the truck, i was running the 1/8th in 4wd with 31.5" tires - gotta love that 1st gear!

it also held up just fine pulling a 6k pound trailer from FL to ATL & back using a lot of downshifting to brake.

Does is make a difference that I'm 2wd or are they still the same transmissions?

BigHemiSrt · 03-23-2012, 08:06 PM

Gotta love it!!

zebra · 03-23-2012, 08:11 PM

Quote:

Originally Posted by SIXJAK

Does is make a difference that I'm 2wd or are they still the same transmissions?

same transmission, less driveline stress

DarkneSS · 03-24-2012, 07:51 AM

That guy has some talent for building cars.

LOWDOWN · 03-24-2012, 08:52 AM

The current May/12 issue of Hot Rod Magazine features an article on building "on the cheap" an 800+ hp LS. Easy to do for a dyno session, but reciprocating upgrades are required if you want it to "live" for more than a few passes...or on the street. Powdered rods turn back to powder, quickly (no pun!), if you're not careful with the boost and tune...

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03-23-2012, 08:06 PM	#16
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03-24-2012, 08:52 AM	#19
LOWDOWN Downright Upright Drives: Daily Join Date: Apr 2009 Location: Cruisin'... Posts: 4,145	The current May/12 issue of Hot Rod Magazine features an article on building "on the cheap" an 800+ hp LS. Easy to do for a dyno session, but reciprocating upgrades are required if you want it to "live" for more than a few passes...or on the street. Powdered rods turn back to powder, quickly (no pun!), if you're not careful with the boost and tune...