Forum: Suspension TECH
09-03-2022, 01:53 PM
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Replies: 1
Views: 1,033
Control arms problems
I installed new B body TRZ upper and lower control arms and QA1 coilovers to the front of my 72 Catalina.i street drove a couple hundred miles this year in this configuration with no problems.took to...
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Forum: Pontiac - Race
12-02-2020, 11:14 PM
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Replies: 24
Views: 2,547
Ultimate goal is a 5 second run.I want to do it...
Ultimate goal is a 5 second run.I want to do it on the lowest boost i can.I'm going to optimize several things and then if I have to add a few pounds boost I will.That 6.59 run was only the 10th hit...
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Forum: Pontiac - Race
12-02-2020, 08:34 PM
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Replies: 24
Views: 2,547
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Forum: Pontiac - Race
12-01-2020, 10:28 PM
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Replies: 24
Views: 2,547
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Forum: Pontiac - Race
12-01-2020, 12:23 AM
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Replies: 24
Views: 2,547
No tubs and a 12in wide 750 series Sander wheel...
No tubs and a 12in wide 750 series Sander wheel with 275/60 radial pro rubber at 18psi.I put hi-tack on the beads to help keep from slipping. no beadlock and one of my tires moved on the rim about a...
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Forum: Pontiac - Race
11-30-2020, 08:31 PM
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Replies: 24
Views: 2,547
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Forum: Pontiac - Race
11-30-2020, 12:52 PM
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Replies: 24
Views: 2,547
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Forum: Pontiac - Race
11-29-2020, 11:53 PM
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Replies: 24
Views: 2,547
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Forum: Pontiac - Race
11-29-2020, 10:57 PM
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Replies: 24
Views: 2,547
Test n tune
Went to the track a couple weeks ago and my Catalina ran 6.59 at 108.95 foot braking.Original block and heads 400 stroked to 461 ,75mm turbo,small hyd roller,UCC convertor,Jake's stage 3 th400...
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Forum: Pontiac - Boost
10-21-2020, 11:10 PM
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Replies: 1
Views: 1,961
Hat boost versus intake boost
I know there is boost drop across a innercooler and possibly the bends in boost side piping and I suspect there is some drop between the hat and below the carb.Is the drop below the carb always the...
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Forum: Pontiac - Boost
10-17-2020, 10:34 PM
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Replies: 2
Views: 2,185
Carb help
Did a test run today at 9lbs of boost and was happy with the run.My afr in my Holley was right in the 11.5 range.Would like to step up to maybe 12lbs boost.My main jets are 71 square and my pvcr's...
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Forum: Suspension TECH
10-10-2020, 10:59 AM
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Replies: 11
Views: 1,536
If i remember correctly this car was 4240.I...
If i remember correctly this car was 4240.I removed all bracing behind the bumpers[and it was a lot],modified and lightened bumper brackets.car has a fuel cell now so no fuel tank,aluminum...
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Forum: Suspension TECH
10-09-2020, 04:58 PM
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Replies: 11
Views: 1,536
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Forum: Suspension TECH
10-09-2020, 08:00 AM
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Replies: 11
Views: 1,536
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Forum: Suspension TECH
10-08-2020, 11:14 PM
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Replies: 11
Views: 1,536
Drag race brakes on 72 catalina
question.....If I lathe down a 72 B body spindle to A body inner and outer bearing size,can I put A body race brakes on and will the caliper mount be in the correct place? I've been told by a Impala...
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Forum: Pontiac - Race
03-25-2020, 08:29 PM
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Replies: 8
Views: 1,424
Out of balance front skinnies
Just got some 4 inch wide sander wheels and 28 inch M/T sportsman front tires.went to static balance and its 6 ozs off.I'm only adding stick-on weights to the inside of these wheels.anybody have any...
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Forum: Pontiac - Race
03-19-2020, 12:31 PM
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Replies: 12
Views: 1,310
275
Pics from a while back
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Forum: Pontiac - Race
03-18-2020, 11:42 PM
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Replies: 12
Views: 1,310
275
I mocked up a 12 inch wide weld wheel borrowed from a buddy with a 275 to get the correct backspace.using a air cannon tool the tire went right on.maybe I got lucky.I'm going with Sanders 750 series...
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Forum: Pontiac - Race
03-18-2020, 10:17 PM
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Replies: 12
Views: 1,310
275 on a 12in wheel
Anybody running a M/T 275 drag radial on a 12 in wheel non beadlock?been looking for a horror story on someone kicking a bead off during a run but haven't found it yet. I'm a 4240lb turbo car no...
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Forum: Pontiac - Race
03-14-2020, 04:59 PM
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Replies: 2
Views: 938
4l80e direct drum clearance
Just got a th400 stage 3 kit from Jakes,with 4l80e direct drum.clearance is tight at .028-.030 .th400 direct piston and backing plate in
a 4l80e direct drum.6 clutches and .077 steels,no steel wave...
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Forum: Pontiac - Boost
03-05-2020, 11:19 PM
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Replies: 2
Views: 2,127
Pvcr's
Is there a way to accurately figure out pvcr size if I know 7 lbs of boost with .062 pvcr's gives me a afr of around 10.5,I want to double my boost but not sure about the correct size of pvcr to be...
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Forum: Interior TECH
12-30-2019, 08:37 PM
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Replies: 2
Views: 1,866
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Forum: Interior TECH
12-10-2019, 11:29 PM
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Replies: 2
Views: 1,866
Rear package tray,install with rollbar
Trying to figure out how to do a clean package tray install with rollbar.I have a new one but started making a template out of cardboard.I cut it in line with the bar then made holes for the bar.If I...
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Forum: Pontiac - Boost
10-30-2019, 08:21 PM
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Replies: 11
Views: 3,321
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Forum: Pontiac - Boost
10-29-2019, 03:14 PM
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Replies: 11
Views: 3,321
Charge cooling
Fast 69.if ya would, could ya explain in more detail,I'm very interested.how did you keep it from going too lean on the dry set up?
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