Procomp head mini review.
01-16-2013, 08:02 AM
#81
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Not to question you, but the tape does not look right in the picture. It appears like it is not set on the 1 inch mark. I know its hard to get good pictures, mine always suck.
01-16-2013, 06:14 PM
#84
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I called the seller on feebay, I'm not sure if they are the same as Procomp direct or not. After a little checking The salesman said the chamber size for the 2.02 cnc head was 4.050, bigger than I wanted to hear.
01-26-2013, 12:03 AM
#88
I got a set of the CNC LS3 heads and was impressed with the overall quality and the price was excellent. Mine were assembled with Lunati dual springs, 2.20 intakes and 70 cc chambers for a 88mm turbo 408. I just installed them tonight and no issues. They do need a good cleaning....
01-27-2013, 06:55 PM
#91
What do you mean? I had some issues with fueling so I only had a chance for 2 runs. I mae 1 small adjustment and picked up 10 rwhp with just that change. Never had a chanc to do anything with timing, or any more fueling changes. The A/F was all over the place. My timing is also dropping to 23* @ 6,400 rpm and im not sure why according to my logs.
01-28-2013, 04:03 PM
#96
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I have been working on my Dad's Vette lately. I wanted to get his next round of mods finished up first then on to mine.
Dad has a 2004 Convertible. So his is an LS-1. He added a Pro Charger, small aftermarket cam and mufflers several years ago. It made 495 to the rear wheels.
Now we just added a Z06 rear end (from a 2.73 gear to a 3.42 gear), a 10.5" 3200 rpm FTI converter, and long tube headers. It might push about 530 to 540 to the rear wheels after this round of mods. We also install a Innovative Sports wide band sensor. It seamed like a must to get the fuel curve tweaked for power and safety. And we added some Mickey Thompson drag radials. So just maybe it will finally hook.
Then I can concentrate on getting mine done. It is warming up outside down here in Texas and I am getting anxious.
Dad has a 2004 Convertible. So his is an LS-1. He added a Pro Charger, small aftermarket cam and mufflers several years ago. It made 495 to the rear wheels.
Now we just added a Z06 rear end (from a 2.73 gear to a 3.42 gear), a 10.5" 3200 rpm FTI converter, and long tube headers. It might push about 530 to 540 to the rear wheels after this round of mods. We also install a Innovative Sports wide band sensor. It seamed like a must to get the fuel curve tweaked for power and safety. And we added some Mickey Thompson drag radials. So just maybe it will finally hook.
Then I can concentrate on getting mine done. It is warming up outside down here in Texas and I am getting anxious.
02-06-2013, 02:41 PM
#98
The head did pick up some with the exhaust pipe on the exhaust side and peaked aroudn 231 cfm.
Overall we were pleased with these cylinder heads. We may do some exhaust work to bring up the flow a little bit especially since these will be used with nitrous in mind.