LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Anyone have a lt4 head flow chart from the now defunct CNC Cylinder Heads in FL?

Old 10-29-2018, 11:59 PM
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Default Anyone have a lt4 head flow chart from the now defunct CNC Cylinder Heads in FL?

Anyone have one of these or have seen a link? I'm pretty sure that's who did my heads back in 1998. They say CNC on the end of the passenger side head. I have the blower bolted on, so I can't see much more than that.

The shop was in Pinellas Park, FL if I saw their website correctly using the webpage archiver. I didn't see flow numbers on their site.
Old 10-30-2018, 12:11 AM
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Pete’s heads were set more for port velocity then flow.. you won’t find much about them. I got these second hand a few months ago

Old 10-30-2018, 05:10 PM
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Originally Posted by southsliide
Pete’s heads were set more for port velocity then flow.. you won’t find much about them. I got these second hand a few months ago

did you get a set of heads or an engine with them on it? Lt1 or lt4 heads? Any plans to flow them at any point?

ive wondered for the past 14+ years who ported the heads on my car and randomly found out about this operation while casually surfing the net on a different topic. Now that I have an idea of who did them, I’m curious to find out more specs if possible. If not, if I ever take apart the engine, I’ll get them flowed.
Old 11-05-2018, 09:53 AM
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If you find any dead links you can try them in the "internet way back machine" at the web archive. I use it at times to find info or old dead threads for info. Then save the web page for offline use. The pages they save can go back as far as the mid to late 90's on some sites.
Old 11-05-2018, 12:47 PM
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Originally Posted by safjist_nipnog
If you find any dead links you can try them in the "internet way back machine" at the web archive. I use it at times to find info or old dead threads for info. Then save the web page for offline use. The pages they save can go back as far as the mid to late 90's on some sites.
yup that was the program I referenced; comes in handy!
Old 11-06-2018, 11:30 PM
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Why don't you just get your heads flowed?

KW
Old 11-07-2018, 08:33 AM
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Originally Posted by KW Baraka
Why don't you just get your heads flowed?

KW
theyre on the car
Old 11-07-2018, 07:47 PM
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Originally Posted by qwiketz
theyre on the car
Sooooo…...you ask about flow AFTER you install the heads?

That's 'cute'.

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Old 11-07-2018, 07:51 PM
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Obviously they were on the car prior to me taking ownership. The flow sheet or receipt wasn’t with the car when I bought it 15 years ago
Old 11-07-2018, 07:55 PM
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Originally Posted by qwiketz
obviously they were on the car prior to me taking ownership. The flow sheet or receipt wasn’t with the car when i bought it 15 years ago


I would still take a head off and flow it if I REALLY needed to know.... …..

KW
Old 11-07-2018, 07:58 PM
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Originally Posted by KW Baraka
I would still take a head off and flow it if I REALLY needed to know.... …..

KW
fair point. I don’t need to know but I’m curious. And I’m lazy!
Old 11-12-2018, 12:48 AM
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I got the heads used from a part out But i do plan to have them tested and yes LT1 castings
Old 11-12-2018, 12:51 AM
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Pete Incaudo now owns Vmax Motorsports
Old 11-14-2018, 01:49 AM
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OP what does your car dyno?

You might be able to get a very rough idea of Flow
Old 11-18-2018, 09:50 AM
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Originally Posted by 99 Black Bird T/A
OP what does your car dyno?

You might be able to get a very rough idea of Flow

dyno 365whp
Old 05-22-2019, 03:45 PM
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well, as an update, I got them flowed. 284 @ 600 and 285.5 at .650. Exhaust was 169 @650. At 500 on the intake they were flowing 266
Old 05-22-2019, 11:54 PM
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Originally Posted by qwiketz
well, as an update, I got them flowed. 284 @ 600 and 285.5 at .650. Exhaust was 169 @650. At 500 on the intake they were flowing 266
Nice numbers!

Did they happen to measure intake/exhaust port size? That would give you an idea as to the efficiency of the heads.

You looking at a cam swap.....or just REALLY wanted to know the flow numbers?

KW
Old 05-23-2019, 09:42 AM
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Just curiosity. The car is getting parted out as we speak and someone is supposed to pick up the engine today

I'll elaborate on this. There were tons of great parts used on my car and everything was done to the max at the time it was built (1998). It was curiosity of how good the programs were back then versus the stuff being done these days.

Last edited by qwiketz; 05-24-2019 at 09:20 AM.


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