Suggestions for top end
#1
Staging Lane
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Suggestions for top end
Looking for some people's input on what kind of heads and pushrods to go with on my setup for my 2005 CCSB Z71. I bought a used 5.3 just for the heads, and they were cracked Castech's... just like the ones in my truck. So I figured while I had the block I sent it off to my neighbor get reworked. He works at a reputable machine shop in town and did the following:
- bored .020" over (approximately a 5.4 now)
- polished crank
- all new livernois internals
- added a COMP Camshaft 54-412-11 (advertised Duration 265/271, lift .522/.529)
I just need to track down some heads, make sure they have good springs, order some pushrods, rockers, and then start on the TC and tranny.
What do you guys suggest for heads? I really want some 243's, comp cams 918 springs, comp pushrods, and possibly the old rockers.
Are my old rockers going to work? They're just stock, no extreme wear on them.
Just looking for some input before I start buying things left and right. Always trying to get things right the first time. Thanks!
- bored .020" over (approximately a 5.4 now)
- polished crank
- all new livernois internals
- added a COMP Camshaft 54-412-11 (advertised Duration 265/271, lift .522/.529)
I just need to track down some heads, make sure they have good springs, order some pushrods, rockers, and then start on the TC and tranny.
What do you guys suggest for heads? I really want some 243's, comp cams 918 springs, comp pushrods, and possibly the old rockers.
Are my old rockers going to work? They're just stock, no extreme wear on them.
Just looking for some input before I start buying things left and right. Always trying to get things right the first time. Thanks!
#3
Staging Lane
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Doesn't really matter. But I'm not shooting for extreme performance. I just cracked a head, and figured I would build a new powertrain that will have some kick and last me a few years. I'm shooting for mid to lo 13's with this truck. It will be pushed down the track maybe a dozen times, but my lightning did a 13.9 stock in my first ever pass with it, so that's my comparison.
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Staging Lane
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Maybe I'll just stick to high 13, low 14's. I've heard people with ECSB running 13's with just the cam and some small upgrades, whether this is true is another story.
#7
Staging Lane
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Any ideas for the heads?
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#8
traveling mod
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There's a few sets of 243's for sale here and on tech right now..
As far as breaking into 13's.. Its gonna take a short tire and 4.10's with full bolton's to manage that with a 5.3 IMO..
Ive got a 243 headed ls1 with a 216/220 cam with boltons 3.73's and a 32" tire and its real low 14's on a good day....
As far as breaking into 13's.. Its gonna take a short tire and 4.10's with full bolton's to manage that with a 5.3 IMO..
Ive got a 243 headed ls1 with a 216/220 cam with boltons 3.73's and a 32" tire and its real low 14's on a good day....
#9
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There's a few sets of 243's for sale here and on tech right now..
As far as breaking into 13's.. Its gonna take a short tire and 4.10's with full bolton's to manage that with a 5.3 IMO..
Ive got a 243 headed ls1 with a 216/220 cam with boltons 3.73's and a 32" tire and its real low 14's on a good day....
As far as breaking into 13's.. Its gonna take a short tire and 4.10's with full bolton's to manage that with a 5.3 IMO..
Ive got a 243 headed ls1 with a 216/220 cam with boltons 3.73's and a 32" tire and its real low 14's on a good day....