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how much more boost to hit a 9.99 ?

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asloan5

Corn Fed alcoholic
Joined
May 22, 2007
Messages
386
saturday at reynolds 24lbs boost cpt66-bb "S" wheel .85 pt housing turbo champion extreme ported irons 215-220 hyd roller xfi e-85 400 w-brake ptc conv mt et streets 160lb injectors
full weight car mid day approx 70-74 degrees I could not get my rjc boost controller past 24 pounds
how much more boost to break into the 9's
60' time 1.54
330' time 4.274
1/8 6.61
mph 104.63
1000' 8.655
1/4 10.393
mph 129.34
 
i went 10.29@133.4mph at 28.5psi. 1.59 60', 3600+lbs. With a good 60' like a 1.42 and 30psi it would have went 9.92-9.95. That was on a tired stock bottom end. I had the boost at 33psi for about 3 months before the #1 piston failed. What valve springs are you running? What lift?
 
Bison I do not know the specs of the springs. They are beehive. The heads complete with roller rockers came from Don Polumbo's TSM combo below is a copy and paste of cam card
intake .5511 with the 1.65 rocker
exhaust .5643 with the 1.65 rocker

9.963 at 136.50 at 30lbs boost 1.558 60' time car with me in it weighs 3650
I could not launch hard at renyolds I'm not sure why. I have 60' at the tb.com nationals 1.4 and only broke traction twice that weekend. 3 questions


has anyone run the 1/4 quicker with full weight car and same turbo ?
how much more is to be gained with a proper launch 1.4 60'
does this 1 tenth per 100 lbs apply still ? I have heard that years ago.

Serial # F 0779-05 Spec Card# 08019605
Part # 69-000-8 CAMSHAFT, BV69 SPECIAL HYD ROLLER
Core C69-8A CAMSHAFT BLANK, BV69 BUICK EVEN FIRE DUC
Grind # BV69 3108S /3109S HR112.0
DURATION @ .050 INTAKE 215 ROCKER ARM
RATIO
VALVE ADJ INTAKE .000 DURATION @ .050 EXHAUST 220 INTAKE 1.50
VALVE ADJ EXHAUST .000 LOBE LIFT INTAKE .3340 EXHAUST 1.50
VALVE LIFT INTAKE .501 LOBE LIFT EXHAUST .3420
VALVE LIFT EXHAUST .513 LOBE SEPARATION 112.0
DURATION .006 INTAKE C/L 110.0
TAPPET LIFT INTAKE 271 CAM ADVANCE 2
TAPPET LIFT EXHAUST 276 HYDRAULIC Y
 
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