PTV issues??
10-15-2006, 04:29 AM
#1
PTV issues?? Hi all, i currently have a TR230(230/224 .575/.563 110.5 LSA), and am also planning on some LS6 Stage 1s from PRC with 918s(2.00 1.55 Valves). Will i have any ptv issues?? I know its vague but im not very good with the ptv issue 
. Thanks in advance guys 
. Thanks in advance guys 
10-16-2006, 11:22 AM
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I went to the track Friday. Babied the car for 2 passes and then broke an axle on the third pass. I'll have some updated times soon. The car is very strong and should trap over 120mph. My first pass I went 11.8x at 108; I don't have a roll bar and didn't want to get kicked out so I let out at the top of thrid and didn't accelerate at all in fourth. Second pass, I missed 2nd, granny shifted the rest of the pass and ran a 12.2x at 117+. These two passes were launching the car at about 3k. I tried to launch at 6,900 rpm like I normally do and popped an axle. Time to upgrade the stockers.
Ohh, btw... My best cam only pass was 11.78 @ 116.2 with a 1.60 60'. So the car is MUCH stronger now.
Ohh, btw... My best cam only pass was 11.78 @ 116.2 with a 1.60 60'. So the car is MUCH stronger now.
10-16-2006, 01:13 PM
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Splatt, mine cleared and you can see what I'm running in my sig...
I think you'll be fine. Should make good power too...
Lift on my cam is .595/.603...didn't realize that wasn't in my sig...
I think you'll be fine. Should make good power too...
Lift on my cam is .595/.603...didn't realize that wasn't in my sig...
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10-16-2006, 01:15 PM
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My rev limiter is set at 6,900, and I usually launch off of it. It worked out great before the heads. I was cutting 1.60 60's on the stock suspension with et streets. I spin the car to 6,800 before shifting.
. Any dyno #s yet?? thanks for all the help guys. hoping for 500 RWHP through the help of a 75 or 100 dry hit 
10-16-2006, 02:28 PM
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Well, the car made 383/367 cam only. I will let you know my new #'s after my tune gets freshened up. Shouldn't be long at all; I'm about to schedule the tune. Hopefully Thunder isn't too backed up.
What are you having the heads milled to? I went to 62cc chambers, and my DCR went to 8.19. Wish I would have had them milled to a 61cc chamber. That would have put me at 8.29 (much better IMO)
What are you having the heads milled to? I went to 62cc chambers, and my DCR went to 8.19. Wish I would have had them milled to a 61cc chamber. That would have put me at 8.29 (much better IMO)
10-16-2006, 02:44 PM
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I honestly have no idea what type of power I'm making now. Maybe the 430 range??? The previous dyno of 383 was with my ls1 with 80k miles on it. I now have an almost new ls6 shortblock and new PRC heads. So, anyones guess is as good as mine.
I dropped a valve about 1.5 weeks ago. Broke a 918 while the car was idling at 850rpm. It ruined a head, piston, and cylinder. So, I just swapped in a ls6 shortblock out of a '05 CTSV. Only has about 8k miles on it. I'm in good shape now. If I were you I'd go with the dual springs to try and avoid this happening to you.
I dropped a valve about 1.5 weeks ago. Broke a 918 while the car was idling at 850rpm. It ruined a head, piston, and cylinder. So, I just swapped in a ls6 shortblock out of a '05 CTSV. Only has about 8k miles on it. I'm in good shape now. If I were you I'd go with the dual springs to try and avoid this happening to you.