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Search took 0.00 seconds. Search: Posts Made By: 81 GP
Forum: Pontiac - Street 03-10-2010, 11:41 PM
Replies: 7
Views: 243
Posted By 81 GP
Problem Solved! I went out this morning and...

Problem Solved! I went out this morning and painted the idle screw to see if there were any interference points. It was the shouldered area for the tension spring that was binding in the threads. A...
Forum: Pontiac - Street 03-10-2010, 12:10 AM
Replies: 7
Views: 243
Posted By 81 GP
The only issue I have is with the screws not...

The only issue I have is with the screws not seating. I was close before drilling to .093 but this 350 chebby is running better now than it was with the torker 2 and the 600 Holley.
Forum: Pontiac - Street 03-10-2010, 12:04 AM
Replies: 7
Views: 243
Posted By 81 GP
I test fitted without the springs, I cut almost...

I test fitted without the springs, I cut almost half the spring out. Before i went to .093 I was not quite where i needed to be, I think I was at .088. I have enough bypass air to where I have my...
Forum: Pontiac - Street 03-09-2010, 11:01 PM
Replies: 7
Views: 243
Posted By 81 GP
Q-jet mixture screw issue

I'm trying to recalibrate a late model q-jet for a friend's 72 chevelle that he recently bought. A 350 with a healthy cam so I'm concentrating on making it idle in gear. Everything was going good...
Forum: 78 and Newer G-body Pontiac TECH 07-07-2009, 11:03 PM
Replies: 7
Views: 186
Posted By 81 GP
I took my 81 out for a 30 mile ride today and it...

I took my 81 out for a 30 mile ride today and it never went above 180. A 455, th400 trans, 3.23 gears and a 3 core radiator with an add on trans cooler. Last year I checked the clearance on the water...
Forum: Pontiac - Street 05-19-2009, 11:56 AM
Replies: 3
Views: 310
Posted By 81 GP
I went to the local parts store's comp cam...

I went to the local parts store's comp cam catalog this morning and found an application for a pontiac pushrod with a solid cam, part #7263-16. Measures at 9.3 next day delivery, problem solved! I...
Forum: Pontiac - Street 05-18-2009, 10:58 PM
Replies: 3
Views: 310
Posted By 81 GP
Pushrod Length

I have a question regarding proper pushrod length. I know this was the wrong thing to do but when I installed my KRE heads last year I neglected to check the pushrods.
my car isnt driven very often...
Forum: 78 and Newer G-body Pontiac TECH 12-01-2008, 11:46 PM
Replies: 11
Views: 564
Posted By 81 GP
I used a crossmember from a 71 Lemans, had to...

I used a crossmember from a 71 Lemans, had to trim some off both ends after I centered it, then drilled four new holes in the frame. Be sure to measure tailshaft to tunnel distance and space it as...
Forum: Pontiac - Race 06-29-2007, 11:43 PM
Replies: 25
Views: 882
Posted By 81 GP
I tried to copy what Jim Hand did in his book...

I tried to copy what Jim Hand did in his book trying to see how close he could get to the performance of a Performer RPM using a stock intake.Opened the runner to gasket size until it opened up...
Forum: Pontiac - Race 06-26-2007, 09:03 PM
Replies: 25
Views: 882
Posted By 81 GP
Thanks everyone for the input. I've got some work...

Thanks everyone for the input. I've got some work to do now! I really have no complaints about the heads. It starts up with two pumps of the pedal and within 90 seconds it idles at 1000 rpm on it's...
Forum: Pontiac - Race 06-26-2007, 04:45 PM
Replies: 25
Views: 882
Posted By 81 GP
Using an 800cfm double pump but with a single...

Using an 800cfm double pump but with a single feed line so it fits under the dual snorkel air cleaner. Also using a Carter 7 psi electric pump. I can tell by the replies that the performer has to go...
Forum: Pontiac - Race 06-26-2007, 04:18 PM
Replies: 25
Views: 882
Posted By 81 GP
Standard KRE 85cc D-ports advertised at 261/220...

Standard KRE 85cc D-ports advertised at 261/220 matched intake port to gasket TH400 w/ manual valve...
Forum: Pontiac - Race 06-24-2007, 09:39 PM
Replies: 25
Views: 882
Posted By 81 GP
Didn't hit the 11's

I went to milan dragway Friday night with my new KRE heads. My best last year was 12.57 at 106 with a 1.72 sixty ft. The only things changed were the heads, port match the intake, and set the timing...
Forum: Pontiac - Race 06-24-2007, 08:53 PM
Replies: 22
Views: 1,228
Posted By 81 GP
I pulled a plug before I left for Milan Dragway...

I pulled a plug before I left for Milan Dragway and they look quite sooty. I think they are too cold. As for norwalk it looks like a no. My son's last year to go to cubscout camp is that week, won't...
Forum: Pontiac - Race 06-20-2007, 09:20 PM
Replies: 22
Views: 1,228
Posted By 81 GP
KRE head plug gap

just getting ready to go to the strip friday night with my new combination, but i'm not sure about the plug gap on these NGK plugs. They are R5671A-11 which had a tight gap around .030. I tried to...
Forum: Exhaust TECH 04-19-2007, 10:06 PM
Replies: 2
Views: 398
Posted By 81 GP
I just got the engine last week with all 6 bolts...

I just got the engine last week with all 6 bolts on each side, was NOT easy. Bent a short 7/ 16 wrench into a pretzel to get that fourth bolt in on each side. As for the headers, I picked them up...
Forum: Pontiac - Street 03-19-2007, 09:42 PM
Replies: 16
Views: 722
Posted By 81 GP
I'm all set on the distributor. I ran 34 deg...

I'm all set on the distributor. I ran 34 deg total with it all in by 2500 with my old 6x heads. My big problem is going to be jetting this 800 spread bore double pumper. Its a royal pain to pull it...
Forum: Exhaust TECH 03-18-2007, 10:00 PM
Replies: 21
Views: 31,157
Posted By 81 GP
Gain clearance for headers

I ran into a problem on my 81 GP when I modified a set of 65 gto headers to fit. The drivers side fit fine after denting the floor near the gas pedal but the passenger side needed # 2 pipe rerouted....
Forum: Pontiac - Street 03-18-2007, 09:40 PM
Replies: 16
Views: 722
Posted By 81 GP
cam choice

I just set the cam back to straight up. Thats all the changes for now.I need to start from scratch now that i've added the KRE heads and set a new baseline. I did notice that last year at the track...
Forum: Exhaust TECH 03-18-2007, 12:29 AM
Replies: 2
Views: 398
Posted By 81 GP
Grand Prix headers

I'm currently using a set of full length 4 tube headers in my 81 GP. I can only get 5 bolts in each side and I'm switching to 85cc KRE heads and i'm afraid of ex leaks damaging them. Has anyone used...
Forum: Pontiac - Street 03-17-2007, 11:59 PM
Replies: 16
Views: 722
Posted By 81 GP
What intake are you using? My performer has a 3/4...

What intake are you using? My performer has a 3/4 inch spacer and Trans-Am air cleaner for ram air effect. I had an RPM on the car when I first built it but there was no room for an air cleaner....
Forum: Pontiac - Street 03-16-2007, 11:50 PM
Replies: 0
Views: 137
Posted By 81 GP
G body headers

Has anyone tried a set of the Hedman shorty headers in a Grand Prix? They seem like they would fit well (a lot better than my full length 4 tubes!). Switching to the KRE heads makes me nervous about...
Forum: Pontiac - Street 03-16-2007, 11:30 PM
Replies: 16
Views: 722
Posted By 81 GP
cam choice for KRE heads

I just installed a set of KRE 85cc heads on my 455. I'm using an ultradyne 288/296 at 485/507 lift cam, performer intake, an 800 spread bore Holley, and 4 tube headers. My best time in my 81 GP with...
Forum: Pontiac - Street 03-07-2007, 04:46 PM
Replies: 2
Views: 353
Posted By 81 GP
I am using the standard fel pro gasket. I...

I am using the standard fel pro gasket. I rechecked the ports this morning, they aren't as bad as I thought but i just want to do this right the first time. I'm port matching the intake ports in...
Forum: Pontiac - Street 03-06-2007, 07:29 PM
Replies: 2
Views: 353
Posted By 81 GP
KRE head port matching

Just received a set of 85cc KRE heads and im getting ready to port match the intake side and performer intake. I noticed a lot of material needs to be removed from the pushrod bulge side of the head...
Showing results 1 to 25 of 28
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