5.3 ls build

Reply Subscribe

Thread Tools

Search this Thread

Jul 9, 2014 | 08:13 PM

434shadow

Thread Starter

Registered User

Joined: Jun 2014

Posts: 9

Likes: 0

5.3 ls build

I am doing a 5.3 build, and its my first ls build, I have done lots of gen 1 engines, just looking to do a quick build see how it turns out, its 05 5.3, got a set of ls1 heads that have been mildly ported, ls3 cam and timing cover with cam sensor in cover, and going carbureted with single plane edelbrock and msd kit, interested in what I would be looking at HP/tq wise, thanks

Jul 9, 2014 | 08:34 PM

mymaro

Registered User

Joined: Jun 2014

Posts: 8

Likes: 0

I think high 300s at the crank with that Combo I think you will be better off with 862 castings heads vs 241

Jul 9, 2014 | 09:04 PM

Mercier

TECH Addict

iTrader: (15)

Joined: Jun 2014

Posts: 2,384

Likes: 5

From: Baton Rouge, LA

+1 small chamber.

Jul 9, 2014 | 09:11 PM

Mavn

"I MAID THEESE"

iTrader: (3)

Joined: Jul 2011

Posts: 2,757

Likes: 701

From: Houston

Ls3 cam in a 5.2?

Jul 9, 2014 | 09:15 PM

726.0chevelle

13 Second Truck Club

iTrader: (17)

Joined: Aug 2008

Posts: 637

Likes: 0

From: baton rouge

for a budget build I would get a set of 4.8 flat top pistons, take the ls1 2.00" valves and get them cut into the stock 5.3 heads. Don't waste your time with a ls3 cam since its a single bolt cam and you need a 3 bolt gen III cam. Check the for sale section and medium to small cams can be found for cheap. If you stay under 560 lift ls6 valve springs don't forget about 7.4" pushrods if your going with a aftermarket cam or car cam assuming your heads aren't milled much.