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Search took 0.17 seconds. Search: Posts Made By: Half-Inch Stud
Forum: THE LOBBY Yesterday, 11:37 PM
Replies: 4
Views: 515
Posted By pont3
I was wondering about it too! He closed a thread...

I was wondering about it too! He closed a thread and I PM'd wondering what was against the rules on that particular thread. I didn't get a response and the thread was re-opened. Still haven't...
Forum: Pontiac - Street 04-21-2024, 07:29 AM
Replies: 6
Views: 338
Posted By steve25
Post 3 has the solution. To drop it out let...

Post 3 has the solution.

To drop it out let both headers dangle on there bolts as far as possible and loosen up the collectors bolts.

If you put anti-seize on at lease one side of your header...
Forum: Pontiac - Street 04-20-2024, 07:33 PM
Replies: 6
Views: 338
Posted By chiphead
Cut the dust cover ears off the trans or loosen...

Cut the dust cover ears off the trans or loosen the headers.
Forum: Pontiac - Race 04-20-2024, 06:09 PM
Replies: 11
Views: 499
Posted By Mike S
Boy what a disappointing day. Went to Cecil...

Boy what a disappointing day. Went to Cecil county for the nostalgia race Waited close to 3 hrs for them to dry the track. Had a blow out on the trailer on 95 on the way down. Car got hung up getting...
Forum: Pontiac - Street 04-19-2024, 10:34 PM
Replies: 48
Views: 2,183
Posted By Tim Corcoran
The small filter at the entrance of a Q-Jet is a...

The small filter at the entrance of a Q-Jet is a restriction even with the paper filter. There just isn't enough surface area in that tiny filter. I never run a filter there I use an external...
Forum: Pontiac - Race 04-19-2024, 05:04 PM
Replies: 11
Views: 499
Posted By Mike S
Letting it loose tomorrow

For years I have detuned the car to go 10.00. After a lot of requests from my friends and fellow racers, I am going to run it all out tomorrow for the first race (bracket) this year.
Took 335lbs of...
Forum: Pontiac - Street 04-19-2024, 08:25 AM
Replies: 48
Views: 2,183
Posted By steve25
Two big fuel bowls and two needles and seats can...

Two big fuel bowls and two needles and seats can at times solve the problem of not having a pump back at the tank purely due to the fuel volume on hand.

The root cause many times is the G force...
Forum: Pontiac - Street 04-19-2024, 07:57 AM
Replies: 48
Views: 2,183
Posted By Cliff R
The information is both outdated and inaccurate. ...

The information is both outdated and inaccurate.

Q-jets stopped using sintered bronze fuel filters in 1967.

4-6 psi fuel pressure???. Rochester moved the hinge pin forward in 1969. The...
Forum: THE LOBBY 04-18-2024, 04:44 PM
Replies: 12
Views: 478
Posted By ftwmlp
Saw this on a news feed about 1:45 CDT. Spent...

Saw this on a news feed about 1:45 CDT. Spent many a night in my troubled youth listening to the Allman Brothers Band albums. They made great music together and Betts was a huge part of it.

RIP...
Forum: THE LOBBY 04-18-2024, 04:34 PM
Replies: 12
Views: 478
Posted By Tempest
"listening to blue sky kicking back at the...

"listening to blue sky kicking back at the lake"................... well said

Rip Dickey
Forum: Pontiac - Street 04-18-2024, 08:53 AM
Replies: 48
Views: 2,183
Posted By VCho455
Dhoo! You are correct 20.4! Thanks for the...

Dhoo! You are correct 20.4! Thanks for the correction.
I wanted to point out the devil is in the details with these kind of claims. But I did a poor job of it by not getting my details correct.
Forum: Pontiac - Street 04-18-2024, 06:31 AM
Replies: 48
Views: 2,183
Posted By steve25
With any motor the bottom line is that at full...

With any motor the bottom line is that at full throttle , max rpm and under load a vacuum gauge will tell you if you need a higher flowing carb(s) or not.

Also too large of a carb can undue what...
Forum: Pontiac - Street 04-17-2024, 09:48 AM
Replies: 48
Views: 2,183
Posted By Skip Fix
or blowing the needle off the seat as the float...

or blowing the needle off the seat as the float leverage is hard to hold that much pressure with the larger needle.
Forum: Pontiac - Street 04-16-2024, 05:21 PM
Replies: 48
Views: 2,183
Posted By 70GS455
1000+ cfm from a Qjet

Ran across this article from David Vizard's "How to Build Horsepower" Vol 2. They discuss modifications on a Quadrajet to get to 1090 CFM, as measured by a flow bench.
Forum: THE LOBBY 04-13-2024, 10:23 PM
Replies: 16
Views: 800
Posted By fyrffytr1
A First For Me.

In 73 + years on God's earth I was met with a first last weekend. My buddies and I were relic hunting in a plowed field when one of them said he had something to show me. As we approached the planted...
Forum: Pontiac - Street 04-13-2024, 02:27 AM
Replies: 6
Views: 531
Posted By gto4ben
I got tired of guessing what performance the...

I got tired of guessing what performance the commercially available PP springs have so I created a spreadsheet that takes free length, outer dia., coil count, and wire diameter to calculate the...
Forum: Pontiac - Street 04-10-2024, 12:01 PM
Replies: 12
Views: 559
Posted By HWYSTR455
Under the dash, I use the lower brace of cowl...

Under the dash, I use the lower brace of cowl where the dash attaches by driver door to ground everything under the dash. Did a rivet-nut with a stud, and everything goes there. It will feed off the...
Forum: Pontiac - Street 04-10-2024, 07:01 AM
Replies: 10
Views: 635
Posted By Cliff R
Yep, it was spending WAY too much time sitting on...

Yep, it was spending WAY too much time sitting on my lift and not enough time being driven. I really don't miss it much, had lots of fun with the car over the years, but since retiring I've changed...
Forum: THE LOBBY 04-09-2024, 02:29 PM
Replies: 13
Views: 773
Posted By 1967gto1
My 80 z28 undercarriage was covered in...

My 80 z28 undercarriage was covered in rustproofing. I used mineral spirits and old cut up bath towels. I don't know how many hours it took, but it worked great. Took it right down to the paint. I...
Forum: Pontiac - Street 04-08-2024, 08:23 AM
Replies: 17
Views: 982
Posted By steve25
X72GPX it’s due to first off the longer strokes...

X72GPX it’s due to first off the longer strokes that Pontiacs have then other brands on there street production motors.

For example a 455 Buick has a 3.90” stroke as compared to the Pontiac 455...
Forum: Pontiac - Street 04-07-2024, 08:52 AM
Replies: 10
Views: 635
Posted By Cliff R
I'm going to do one TH400 build this year even...

I'm going to do one TH400 build this year even though I'm pretty much retired from all of that. It's for a good friend and customer and will end up in his FAST Class early Firebird.

The last...
Forum: Pontiac - Street 04-06-2024, 06:32 AM
Replies: 10
Views: 635
Posted By Cliff R
I've never had any issues drag racing with the...

I've never had any issues drag racing with the stock type filters. A lot of racers like the 64-67 style.
...
Forum: Pontiac - Street 04-05-2024, 11:04 AM
Replies: 17
Views: 982
Posted By srmmmm
The only offset I recall analyzing in labs at GMI...

The only offset I recall analyzing in labs at GMI was wrist pin offset. This was done to reduce cylinder wall wear more than anything. The cylinder bores were always on the main bearing centerline...
Forum: Pontiac - Street 04-03-2024, 01:01 AM
Replies: 17
Views: 982
Posted By Stan Weiss
Just so you know, Suzuki does not offset its...

Just so you know, Suzuki does not offset its cranks. Honda has a 4.5mm offset. KTM and Husqvarna use 5mm of offset. Kawasaki has 8.5mm of offset, and the Yamaha YZ450F offset is 12mm.
...
Forum: Pontiac - Street 04-03-2024, 12:30 AM
Replies: 17
Views: 982
Posted By 242177P
Inline would be easy to offset, but a V ...

Inline would be easy to offset, but a V
configuration complicates things. Even
our 194 is offset 45°.

OHC6, or Iron Duke?
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