Good..Bad...Good.. 347 PT88 12psi Dyno Results
10-31-2011, 03:32 PM
#21
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That intake is a leaking pos, you need to get rid of it. Not sure what valve springs you're running but it's looking like valve float over 6200 rpm. Looks pretty laggy, which I always assumed an 88 with a 347 and a t56 would be. 4th gear burnouts are absolutely retarded, what kind of pizza cutters are you running?
Last edited by gimmeluvin; 10-31-2011 at 03:37 PM.
10-31-2011, 03:43 PM
#22
It's a leaky pile of S#^t lol. That intake has problems sealing naturally aspirated, my buddy with a procharged gto ran that intake. He swapped to a LS6 intake and his car ran much better, not to mention that intake gets really hot. Drag radials will help but 18's are not known for traction.
10-31-2011, 04:04 PM
#23
I picked up 25rwhp from switching from that intake back to a LS6. My IAT's were high as well with it and it pulled timing because of it...switched back and all was well. I say ditch it and go with a LS6 or something else. DShmittie I bet your compression is a little higher...on 8.5:1 on a 347 with only 12psi that's pretty good. What weight oil were you running before and what are you running now? Like 98Z28COBRAKILLER said I'd be a little concerned with bearing damage...only takes seconds when shes hot. Nice numbers....I did 706 on 13.7psi with my 370 so for a pound less on smaller cubes with less compression that's pretty good man!
10-31-2011, 04:18 PM
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I picked up 25rwhp from switching from that intake back to a LS6. My IAT's were high as well with it and it pulled timing because of it...switched back and all was well. I say ditch it and go with a LS6 or something else. DShmittie I bet your compression is a little higher...on 8.5:1 on a 347 with only 12psi that's pretty good. What weight oil were you running before and what are you running now? Like 98Z28COBRAKILLER said I'd be a little concerned with bearing damage...only takes seconds when shes hot. Nice numbers....I did 706 on 13.7psi with my 370 so for a pound less on smaller cubes with less compression that's pretty good man!
WAY to thin! I just put in some gtx 10w40. Yea im going to start looking for a ls6 intake, i had a feeling this intake would heat soak bad... 
10-31-2011, 06:28 PM
#28
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Did you happen to dyno your car before F.I.?
Tim
11-01-2011, 12:00 AM
#34
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The heat soaking is a whole different situation though...
11-01-2011, 07:42 AM
#36
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Thanks for all the help and ideas everyone. The knowledge and wisdom is next to none on this forum.
No never did.. I never even drove this car before! I bought it as a rolling chassis last last fall out of Cali.
They have been tuning ls car for years now. Shane tuned my car. They have a great crew.
Yes that very well could be whats going on. The sensor is new, however it is the stock sensor and gauge... i have an aftermarket sensor/gauge, but i cant get it to work, i think to gauge is bad.
Yes that very well could be whats going on. The sensor is new, however it is the stock sensor and gauge... i have an aftermarket sensor/gauge, but i cant get it to work, i think to gauge is bad.
11-01-2011, 01:05 PM
#37
Your numbers look really great for such a "pile of ****" intake. I have the same one & did have problems with the valley cover bolts hitting the bottom of the intake. I bought some with a shorter head. People who have problems getting these intakes to seal have obviously never worked on a carbed motor. Those kick *** o-ring type manifold gaskets havent been around forever. Also, composite intakes havent been around forever. Kenne Bell must not have a clue what advantages a plastic blower would have, eh? I have popped an ls1 intake & and ls2 intake. Never had a worry with my Victor Jr, and wont worry a bit with this one. Keep your intake man. Dont let these folks bad mouth your **** and change your mind about something that works.
11-01-2011, 01:44 PM
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Your numbers look really great for such a "pile of ****" intake. I have the same one & did have problems with the valley cover bolts hitting the bottom of the intake. I bought some with a shorter head. People who have problems getting these intakes to seal have obviously never worked on a carbed motor. Those kick *** o-ring type manifold gaskets havent been around forever. Also, composite intakes havent been around forever. Kenne Bell must not have a clue what advantages a plastic blower would have, eh? I have popped an ls1 intake & and ls2 intake. Never had a worry with my Victor Jr, and wont worry a bit with this one. Keep your intake man. Dont let these folks bad mouth your **** and change your mind about something that works.