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 Project 5th gen this and that... 
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Post Project 5th gen this and that...
Got tired of the ls3 block, ls6 intake ls4 5.3 heads ls1 blah blah... I mean such a mish mash of parts. so I decided on ls3 heads and intake.

on another note I will have a ls6 intake and stage 2.5 5.3 heads available for sale soon...

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Sat May 24, 2014 2:05 pm
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Post Re: Project 5th gen this and that...
Wouldn't that be Gen IV love? :?:

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Sat May 24, 2014 3:06 pm
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Post Re: Project 5th gen this and that...
4th gen has plenty of love... besides just went 9 inch for rear... need to make up the hp loss lol

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Sat May 24, 2014 4:46 pm
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Post Re: Project 5th gen this and that...
Are you going to LS3/L99/L92 heads and intake now, i take it?

Make sure you change the cam too! L92's need to have a good amount of duration split that emphasizes on the exhaust side. Cams designed for cathedral port heads just dont work well at all on L92 setups.

And congrats! The stock LS3 intake manifold is one of the best flowing their is for non LS7 setups and even stock ls3 heads flow incredible numbers.

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Sat May 24, 2014 8:12 pm
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Post Re: Project 5th gen this and that...
Your going to love that swap. Im interested in the intake when the time comes PM me pls

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1987 IROC ww 99 LS1,TR224/112, STG2 heads ported by American Speed, P Gold springs, LS6 intake, SVO 30's, Ported TB, Comp Cromo Push rods, Katech Rod bolts, LS6 oil pump, T56, SW LT's, 8.8 hybrid rear 3.73, 275/40/17 MT ET streets, lots more
12.1 @ 112 mph 1.69 60'

89 R7U 1LE Players Challenge car all stock.


Sat May 24, 2014 9:44 pm
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Post Re: Project 5th gen this and that...
Put me down for #2 on the intake..thanks!

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Sun May 25, 2014 10:12 am
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Post Re: Project 5th gen this and that...
The heads are take off ls3 heads and intake. the cam in there now is already split duration with more exhaust duration. ive been planning this for over a year when I did a cam swap last summer.

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Sun May 25, 2014 10:26 am
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Post Re: Project 5th gen this and that...
Whats the cam specs?

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1987 IROC ww 99 LS1,TR224/112, STG2 heads ported by American Speed, P Gold springs, LS6 intake, SVO 30's, Ported TB, Comp Cromo Push rods, Katech Rod bolts, LS6 oil pump, T56, SW LT's, 8.8 hybrid rear 3.73, 275/40/17 MT ET streets, lots more
12.1 @ 112 mph 1.69 60'

89 R7U 1LE Players Challenge car all stock.


Sun May 25, 2014 10:30 am
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Post Re: Project 5th gen this and that...
Slade wrote:
4th gen has plenty of love... besides just went 9 inch for rear... need to make up the hp loss lol


Gen IV engine :lol: not Gen 4 car

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Sun May 25, 2014 3:38 pm
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Post Re: Project 5th gen this and that...
It's all Gen4/4th gen now lol.

Well I still have a LS1 water pump and crank pulley.

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Sun Jun 08, 2014 11:42 am
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Post Re: Project 5th gen this and that...
235/238 115+3 0.620 0.615

Torque holds 400ft/lb from 2800 to 6200. Peaks at 6000rpm but carries over to 6500 fine. Rev limiter set to 6700. its a nice flat torque curve right now probably being held back by my 2.5 duals which are also kinda oil sludge coated due to my oil burning from my valveguide issue on my previous heads.

Quite happy with it. Its very well behaved on street. 0 idle issues no drivability problems and no surging. Hitting 8.5 l per 100 or 28 mpg. Its good for 600 km per tank

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Fri Jun 13, 2014 10:44 am
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Post Re: Project 5th gen this and that...
Cool!

As for mileage? I dont bring it up anymore because it seems to bring out the haters for whatever reason... BUT.... I did over 800kms on 65 liters in my 87 L92 swap a few weeks back. All in one night! LOL. 6.2L of muscle, style, and good times and STILL competing with the Prius crowd :rotflol

Hotrods forever :mrgreen:

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1987 IROC ww 99 LS1,TR224/112, STG2 heads ported by American Speed, P Gold springs, LS6 intake, SVO 30's, Ported TB, Comp Cromo Push rods, Katech Rod bolts, LS6 oil pump, T56, SW LT's, 8.8 hybrid rear 3.73, 275/40/17 MT ET streets, lots more
12.1 @ 112 mph 1.69 60'

89 R7U 1LE Players Challenge car all stock.


Fri Jun 13, 2014 11:02 am
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Post Re: Project 5th gen this and that...
I have yet to clean up street aspect of the tune! It's tuned for wot right now only and running off MAF only for the moment. Once I bring the MAP back into play and dial it in (I've been sick the past week), I can probably eek out some more city and highway mileage. As it is, I've been playing it safe since I know the MAF is dialed in correctly but LTFT is currently disabled.

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2017 Corvette C7 Z06 Admiral Blue
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Fri Jun 13, 2014 4:41 pm
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Post Re: Project 5th gen this and that...
I'd luv your old heads for the 99, but just cant afford them right now :(

cam wrote:
Cool!

As for mileage? I dont bring it up anymore because it seems to bring out the haters for whatever reason... BUT.... I did over 800kms on 65 liters in my 87 L92 swap a few weeks back. All in one night! LOL. 6.2L of muscle, style, and good times and STILL competing with the Prius crowd :rotflol

Hotrods forever :mrgreen:


Damn that's nice, I get average 550 to a tank, driving like I drive, but if baby'd I have hit over 700 before, that's an LS1 with 2:73's

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Fri Jun 13, 2014 4:58 pm
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Post Re: Project 5th gen this and that...
Spent 2 hours street tuning map. LS3 setup requires significantly less fuel (almost 20% in some areas). LS3 MAP tuning is actually equational in nature so tough to compare to LS1.

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2017 Corvette C7 Z06 Admiral Blue
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1988 Camaro SC Maui Blue


Fri Jun 13, 2014 10:37 pm
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