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#1
09-10-2017, 07:47 PM
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New Season New Best ET and MPH Finally
Best ET last year was 12.41 @ 108.59 and 12.45 @ 108.93 in about 50 degree weather mid November.
Link to last years post http://forums.maxperformanceinc.com/...d.php?t=795187 Changes since last year New 275 ET/SS tires, New drag 90/10 shocks and 1 inch lowering springs. Refreshed QJET from Cliff. This year one 12.46 @ 108.95 right off the trailer early July, the best after that 12.58 @ 107.10 in Norwalk Yesterday after taking 2nd in the street class where I had my best 60 ft ever at 1.686 Link to that : http://forums.maxperformanceinc.com/...d.php?t=806531 I took a few more passes . Took the Air Cleaner off , bogged terrible then recovered and ran a 12.361 @ 110.33 Put the Air cleaner back on and ran a 12.369 @ 109.91 followed by a 12.397 @ 109.32 Changes made since Norwalk were Exhaust upgrade from 2 1/2 to 3 inch from the manifolds to the tail pipes and swapped out the front tires 255/60's for some 205/75's Can't wait for the Fall Cool air to see what it will run.
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74 Formula 469, 6X-4's, 72 Intake, Ramair Manifolds. 3 inch exhaust with x-pipe Custom Roller Cam, 1.52 Roller Rockers Quadrajet done by Cliff 3:42 gears 12.075 @ 112.70 12.092 @ 112.43 12.128 @ 111.71 
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#2
09-10-2017, 07:49 PM
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off-idle launch?
What rpm do you upshift? |
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#3
09-10-2017, 08:05 PM
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Way to go Gary
 ..hopin to race your Ass one day ...think it would be a good one..... 
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 1973 Firebird Navajo Orange w/shaker,1973 400/461,1972 Intake SD CNC'd,1977 Q-Jet 800 CFM w/ Cliffs Kit,Tanks Inc PA4 255 Walbro intank pump ,-8an feed/return,RobbMc Regulator,RobbMc 40 micron filter,253 CFM 6x-8's w/H.S 1:5 Roller Rockers,SD Stump Puller H/R Cam 230/236 @.050 112 lobe separation 565/.570 lift,Crower Solid Rollers,28150 Hedman Headers,3" exhaust,full tailpipes,350 Turbo,9.5" 3200 Converter,3:42 gear,8.5 posi,C/E slide-alinks,Koni adj frt shocks,Best 12.18@110.55 Lookin for 11's
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#4
09-10-2017, 08:14 PM
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Great job Gary!! Very impressed!
Sent from my iPhone using Tapatalk |
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#5
09-10-2017, 08:16 PM
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Good job Gary!
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#6
09-10-2017, 08:49 PM
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It's running good! I think it was your second to last pass i saw where it stumbled just after launch.
FWIW when we ran Q-JETs we found they liked having an air cleaner base on, if we ran with nothing it stumbled and just did run quite right. At least that was our experience. |
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#7
09-10-2017, 08:49 PM
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Congrats Gary
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#8
09-10-2017, 09:07 PM
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Excellent , good to see the changes make a difference.
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#9
09-10-2017, 09:40 PM
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Congrats man! Should definitely pick up even more with the fall air!
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East Coast Mafia TTFMF Making CVWHAT's great again. I guess it took a deplorable ECM member to do it! Quote:
 Fastest Blow-thru Pontiac powered car in the Country 8.440@166.97 (3465lbs) Fastest Pontiac CV-1 car on the planet with only 6 passes on the combo: 4.80@147.65/ 7.49@180.12MPH (3365lbs) |
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#10
09-11-2017, 12:58 AM
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The PMD engineers were some of the best in Detroit in designing air cleaners that "worked". They were known for have nice induction, intakes manifolds, ex manifolds ect. The iron Q Jet intake is based on a early 60s SD unit.
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#11
09-11-2017, 02:15 PM
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Quote:
1st to 2nd approx 4,500 , 2nd to drive shift-light was set at 5,700 and i shifted right after that. Quote:
Quote:
 Was shocked when I got the Time slip and it was my fastest ET . MPH ever So it recovered nicely.
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74 Formula 469, 6X-4's, 72 Intake, Ramair Manifolds. 3 inch exhaust with x-pipe Custom Roller Cam, 1.52 Roller Rockers Quadrajet done by Cliff 3:42 gears 12.075 @ 112.70 12.092 @ 112.43 12.128 @ 111.71
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#12
09-11-2017, 10:06 PM
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Nice job, Gary!
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Mitch Kunath |
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#13
09-12-2017, 08:44 AM
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Good job congrats! Nice to see the changes pay off
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Chris D 69 GTO Liberty Blue/dark blue 467, 850 Holley, T2, Edelbrock Dport 310cfm w Ram Air manifolds, HFT 245/251D .561/.594L, T400, 9" w 3.50s 3905lbs 11.59@ 114, 1.57/ 60' |
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#14
05-18-2018, 08:11 AM
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Finally got out to the track last night for the first time in 2018. it was 53 degrees at the track.
Only upgrade was to replace the RobbMc 550 pump with a 1100 Pump and added a regulator. First pass off the trailer was a 12.368 @109.78 - basically the same as last fall. 2nd pass was 12.258 @ 110.33 3rd pass 12.337 @ 109.74 - shredded the alternator belt The rest of the passes were : 12.368 @ 110.19 12.364 @ 110.33 12.342 @ 109.99 12.313 @ 110.06 So two new Bests last night  A few time slips attached and what my Drag Radials looked like when I got to the Track. Just picked up some weld wheels to lighten up the car , just need to get some tires for them for the next trip to the track .
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74 Formula 469, 6X-4's, 72 Intake, Ramair Manifolds. 3 inch exhaust with x-pipe Custom Roller Cam, 1.52 Roller Rockers Quadrajet done by Cliff 3:42 gears 12.075 @ 112.70 12.092 @ 112.43 12.128 @ 111.71
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#15
05-18-2018, 09:24 AM
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Keep up the good work Gary!
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#16
05-18-2018, 11:05 AM
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Cool, that PKMM engine just keeps getting quicker!
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#17
05-18-2018, 08:12 PM
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Great job. Enough mph for 11.99
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#18
05-18-2018, 09:12 PM
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Congrats on the new times!
I'd say you have a lot left in the car, ET wise. Probably with some good slicks would be a lot quicker. What is the stall on the converter?
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#19
05-18-2018, 09:32 PM
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congrats on the new bests.
Have you tried off-idle launch as better than holding at 2000 rpm? |
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#20
05-18-2018, 11:33 PM
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Congrats Gary
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