Cam only
Thread Starter
Staging Lane
Joined: Apr 2013
Posts: 98
Likes: 0
Cam only 2002 NBM B4C Z28 A4
hardtop 26k+ miles
Here are the current mods.
Yank pt4400 stall
trans cooler
FLT stage 4 4l60e
233/236 custom cam
upgrade springs/push rods
aftermarket oil pump
custom dyno tune (397hp MD Dyno)
Texas speed 1-7/8" long tube headers
Texas speed true duel rumbler exhaust system
Underdrive crank pulley
egr/air delete
MSD wires
Becool Radiator 160 stat
Meziere electric street pump
Slp lid with K&N air filter
MWC FAB 9" with spool and 3.89 gears
MWC short torque arm
QA1R front coil over w/275# springs
removed front sway bar
Pa racing turbo k-member
QA1 rear shocks
Drag bags in rear springs (never air up or use them)
MWC front and rear bumper supports
removed rear seat and belts
Subframe connectors
weld rt-s 15/10 with 275/50-15 Hoosier drag radials rear
weld rt-s 17/4.5 with m&h radials up front
anything not listed is how it came from the factory
3500# race weight
This was the fastest run, had 3 other 10.9x passes. one with a 1.49 60ft!! best 60 ft so far!
Here was the best pass.
18 psi in tires second gear burnout
2:50 pm
temperature = 50f
59%humidity
30.35 in pressure
DA= -362 ft
Relative Density: 101.06 %
1.50 60ft
6.95 1/8th
97.36 mph
10.95 et
120.81 mph
hardtop 26k+ miles
Here are the current mods.
Yank pt4400 stall
trans cooler
FLT stage 4 4l60e
233/236 custom cam
upgrade springs/push rods
aftermarket oil pump
custom dyno tune (397hp MD Dyno)
Texas speed 1-7/8" long tube headers
Texas speed true duel rumbler exhaust system
Underdrive crank pulley
egr/air delete
MSD wires
Becool Radiator 160 stat
Meziere electric street pump
Slp lid with K&N air filter
MWC FAB 9" with spool and 3.89 gears
MWC short torque arm
QA1R front coil over w/275# springs
removed front sway bar
Pa racing turbo k-member
QA1 rear shocks
Drag bags in rear springs (never air up or use them)
MWC front and rear bumper supports
removed rear seat and belts
Subframe connectors
weld rt-s 15/10 with 275/50-15 Hoosier drag radials rear
weld rt-s 17/4.5 with m&h radials up front
anything not listed is how it came from the factory
3500# race weight
This was the fastest run, had 3 other 10.9x passes. one with a 1.49 60ft!! best 60 ft so far!
Here was the best pass.
18 psi in tires second gear burnout
2:50 pm
temperature = 50f
59%humidity
30.35 in pressure
DA= -362 ft
Relative Density: 101.06 %
1.50 60ft
6.95 1/8th
97.36 mph
10.95 et
120.81 mph
Sweet! great 60', the whole slip looks awesome! Im right there with ya tryn for those 10's on on motor! never had that good ^ DA tho..
Last edited by z28241; Dec 11, 2016 at 09:25 PM.
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Staging Lane
Joined: Apr 2013
Posts: 98
Likes: 0
Thanks everyone, been a long time coming.
Left anywhere form idle to stalling it to 2,500.
Seemed to work best just stalling it up to about 1,500 rpms. Tired idle and stalling the **** out of it, no real difference in 60'ft/times
max timing is at 29* reg pump 93.
have not data logged it at the track yet, just on dyno. Need to datalog it and raise shift point higher for sure. made 397 on a MD dyno.
Have it shifting at 6,700 so far, seems to be close to that at the trap. Has a 26" Hoosier drag radial w/18 psi and 3.89 gears.
Cam is a custom cam by jarrett faggart. 233/236 hav to find other specs. Spec'ed it when my car was still a DD, mas effort DD drive ability cam.
Have a 8 pt cage on order. Local track is cracking down on safety, so that is the next mod since a 6 pt roll bar is only good for a 6.50/10.00.
Left anywhere form idle to stalling it to 2,500.
Seemed to work best just stalling it up to about 1,500 rpms. Tired idle and stalling the **** out of it, no real difference in 60'ft/times
max timing is at 29* reg pump 93.
have not data logged it at the track yet, just on dyno. Need to datalog it and raise shift point higher for sure. made 397 on a MD dyno.
Have it shifting at 6,700 so far, seems to be close to that at the trap. Has a 26" Hoosier drag radial w/18 psi and 3.89 gears.
Cam is a custom cam by jarrett faggart. 233/236 hav to find other specs. Spec'ed it when my car was still a DD, mas effort DD drive ability cam.
Have a 8 pt cage on order. Local track is cracking down on safety, so that is the next mod since a 6 pt roll bar is only good for a 6.50/10.00.
Hum... interesting your running 29*. Since it was dyno tuned, I'm taking it made the most power at 29 then. I never had my car on the dyno, I have 28 in mine as a BOLT ON car and every time I would try 29 I would immediately get 1* of knock. I always wondered what my car would do on lower timing that maybe 28 was a little to much for it and made the torque start falling back off by overshooting the timing.