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4.8 blow thru , zr1 cam ??

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Old 06-27-2013, 08:41 AM
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Default 4.8 blow thru , zr1 cam ??

Setting up my 4.8 l for blow thru and also going power glide , I have a zr1cam that im thinking of using on this built +150nos t6 turbo ..
Going on my 71 nova .
Old 06-27-2013, 08:48 AM
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I run with a 5.3 , w/ 2010 ZR1 cam and springs, 950cfm blow thru and a TH350, and I am running 9.40's in the 1/4, and I have not lifted the hood to work on it in 3 mo.
Old 06-27-2013, 10:07 AM
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Originally Posted by Thumpn
I run with a 5.3 , w/ 2010 ZR1 cam and springs, 950cfm blow thru and a TH350, and I am running 9.40's in the 1/4, and I have not lifted the hood to work on it in 3 mo.
stock heads? What turbo?
Very cool man..
Old 06-27-2013, 07:23 PM
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Originally Posted by gallo-lo
stock heads? What turbo?
Very cool man..
Stock heads ported to 235cc int 85cc ex, twin HX35 holsets
Old 06-27-2013, 08:27 PM
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i got one in my ly6 6.0 blow though seems to work good.20" vac at idle. not happy with my diy carb waitng for my csu to get here. no numbers or times but car is fatser then my 10.90@128 vette on 10psi 80mm
Old 06-27-2013, 10:27 PM
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Originally Posted by smokin91rs
i got one in my ly6 6.0 blow though seems to work good.20" vac at idle. not happy with my diy carb waitng for my csu to get here. no numbers or times but car is fatser then my 10.90@128 vette on 10psi 80mm
keep us posted , would like to know how does carburetor works .. thinking of also getting an CSU carb for e85.
Old 06-27-2013, 10:29 PM
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Would a t6 1.83 ar is alot ?with a 150hp hit.
Old 06-27-2013, 10:31 PM
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Originally Posted by Thumpn
Stock heads ported to 235cc int 85cc ex, twin HX35 holsets
What stall?
Old 06-28-2013, 08:11 AM
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Originally Posted by gallo-lo
What stall?
Mine is a race only set up, it has a 4500 stall and I run 28lbs of boost
Old 06-28-2013, 08:25 AM
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Ive got a CSU 750 on my 6.0/squareport/ S480 combo, on gas. I did not have to touch the setup while on the engine dyno, it was bang on. I swaped 2 jet sizes just to see, but it went the wrong way, went back to Kevins tuneup. Worth every cent!
I have only had to increase shooter 1 step up for driveabilty
Old 06-28-2013, 06:25 PM
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Not what I'd recommend for a carbed turbo motor.
Old 06-28-2013, 07:36 PM
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I have a XER287 in my 313ci (3.905 bore 3.26 stroke) blow thru E85 and it works well 3000rpm on up. Its all in what your trying to do. Id say the ZR1 cam is a good street cam. Mine on the other hand not so much.
CSU has my carb right now as the Quickfuel E85 Blow thru needed some work.


Last edited by knuts82; 06-28-2013 at 07:42 PM.
Old 06-29-2013, 08:07 AM
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Originally Posted by Martin@Tick
Not what I'd recommend for a carbed turbo motor.
ok what will you use for a blow thru?
Old 06-29-2013, 08:30 AM
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Originally Posted by knuts82
I have a XER287 in my 313ci (3.905 bore 3.26 stroke) blow thru E85 and it works well 3000rpm on up. Its all in what your trying to do. Id say the ZR1 cam is a good street cam. Mine on the other hand not so much.
CSU has my carb right now as the Quickfuel E85 Blow thru needed some work.

that thing sounds like SEX! , mine sounds very tame. Ive got a 227/235@.050 114+4 comp cam - LSR lobes. Im guessing your engine has some compression? mine has 9.4ish.
I look forward to seeing how your truck runs
Old 06-29-2013, 10:01 AM
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Originally Posted by gallo-lo
ok what will you use for a blow thru?
What intake? What heads? Rear gear? Weight of the vehicle? What turbo?

3Pedals, the LSR cams use lsl lobes.
Old 06-29-2013, 02:49 PM
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installed one in a 6.0 ly6 with bt racing springs and cc pushrods last weekend.
goin in 88 c10 w th400 and tc78.
got the cam for 85$ shipped. used but good. it will make some strong hp.
seen these cams for under 200$ new. they get it done
Old 06-30-2013, 11:14 AM
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Originally Posted by gallo-lo
ok what will you use for a blow thru?
my crab is a pro systems 950 cfm, patrick builds one hell of a carb, and it has been flawless for the last 4 years. just the occasional jet change for altitude.



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