5.3 guys, what cam do you have?
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5.3 guys, what cam do you have?
Im doing a 5.3 in my 96 T/A and was wondering what you guys are using and how you like it. I picked up a cam from a friend and its a custom grind from Comp Cams so I wanted to see how well they compare. Specs are 224/230 .538/.538 114+4. I know its similar to the tr224 but Im just curious whats out there on the 5.3's.
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Not a ton of 5.3L guys on this forum. Might check out the PerformanceTrucks link at the very top of the forum. I think you'll find most of them are running a good bit smaller duration than that!
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I think it's several things: Displacement, compression, and weight of vehicle being the main three!
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In an F-body you could go a little bigger than the trucks just due to the weight difference, but not by alot, IMO. I think that 224/230 would be pushing it in the F-body, but with a manual tranny behind it she'd probably be alright to drive still with a solid tune.
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Matt, thanks for pointing out that part of the site. I found someone using the same duration cam but more lift and he did 365hp and around 350tq also on a 114 lsa.
My set up will be:
Cam 224/230 .538/.538 114+4 lsa
918 springs/hardened pushrods
Stock 862 heads
SLP adjustable double roller timing chain
LS1 Car Intake/TB
Stock injectors
04 GTO P+P MAF
Longtubes + Y pipe w/cutout
4L60E w/3400 stall
Stock 3.42 rear
It sounds like this is as big as I should go for now. My plans are to eventually turbo it and hopefully be able to use the same cam.
My set up will be:
Cam 224/230 .538/.538 114+4 lsa
918 springs/hardened pushrods
Stock 862 heads
SLP adjustable double roller timing chain
LS1 Car Intake/TB
Stock injectors
04 GTO P+P MAF
Longtubes + Y pipe w/cutout
4L60E w/3400 stall
Stock 3.42 rear
It sounds like this is as big as I should go for now. My plans are to eventually turbo it and hopefully be able to use the same cam.
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The stroke is the same at 3.622" . Go over to Car Craft magazine and search chevy 5.3l . There are 2 or 3 articles where they put in a thumper cam and then heads and they end up with 459 flywheel hp and 398 tq .Good luck