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PY Online Forums - Bringing the Pontiac Hobby Together
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Posts Made By:
Half-Inch Stud
Forum:
THE LOBBY
04-30-2024, 06:12 AM
Replies:
32
Has anybody heard of this guy?
Views:
1,680
Posted By
Cliff R
Pretty much a first class douche IMHO. I never...
Pretty much a first class douche IMHO. I never heard of him till a few months ago when he called here looking for jets .080" and larger main jets for a Quadrajet carburetor. Coincidentally it was...
Forum:
Pontiac - Race
04-29-2024, 09:57 PM
Replies:
16
porting went wrong
Views:
1,248
Posted By
joes455
It's the antifreeze that eats epoxy
It's the antifreeze that eats epoxy
Forum:
THE LOBBY
04-28-2024, 08:59 PM
Replies:
32
Has anybody heard of this guy?
Views:
1,680
Posted By
Keith Seymore
I'm always relieved when it's not me. K
I'm always relieved when it's not me.
K
Forum:
Pontiac - Race
04-28-2024, 01:31 PM
Replies:
21
1820 HP 505 CID pump gas engine
Views:
1,073
Posted By
PAUL K
1820 HP 505 CID pump gas engine
Scott Brown at Competition Components just finished up a 505 E-85 build using aftermarket RAV heads. Bore was 4.310 and used a 4.25 stroke. Heads were ported by a board member here (hopefully he...
Forum:
Pontiac - Street
04-24-2024, 02:23 PM
Replies:
20
Cams Video
Views:
961
Posted By
grivera
Great video. While not the point of the video, ...
Great video. While not the point of the video, he mentioned was a 20% hp loss from flywheel to tires. Paul Carter pointed out using a percentage is flawed logic as it would mean an 500 hp engine...
Forum:
Pontiac - Street
04-24-2024, 07:27 AM
Replies:
11
Got my grandson 4l60e broken down
Views:
466
Posted By
Cliff R
The 4L60E is a better unit than the early...
The 4L60E is a better unit than the early 700-4R/4L60's. The first big change to that transmission came in 1987 when the factory did about a dozen needed upgrades to the original design. The 4L60E's...
Forum:
Pontiac - Street
04-24-2024, 03:12 AM
Replies:
20
Cams Video
Views:
961
Posted By
Dragncar
Yes he did. He told me about some Pontiac...
Yes he did. He told me about some Pontiac builders who put a 8500RPM spring for a engine that is done by 6500RPM. Some shop in "Ohio".
He said all that extra spring pressure contributed to breaking...
Forum:
Pontiac - Street
04-23-2024, 02:57 PM
Replies:
20
Cams Video
Views:
961
Posted By
Dragncar
Its a good video. A detailed video mostly for...
Its a good video. A detailed video mostly for newbies.
There is stuff there (Vizard) even though he says there is not.
But he does use a flow sheet to pick a cam . I think thats a good idea.
The...
Forum:
Pontiac - Street
04-23-2024, 10:55 AM
Replies:
20
Cams Video
Views:
961
Posted By
Steve C.
Regarding his point stating there is not really...
Regarding his point stating there is not really much gain when a port is maxed out in cfm air flow no matter how far you continue to open the valve it cannot flow any more air.
Regarding that, if...
Forum:
THE LOBBY
04-22-2024, 11:37 PM
Replies:
4
Where is Moderator .......
Views:
697
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
Removing trans from 69GP
Views:
446
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
Removing trans from 69GP
Views:
446
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
Letting it loose tomorrow
Views:
660
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:
55
1000+ cfm from a Qjet
Views:
3,558
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
Letting it loose tomorrow
Views:
660
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:
55
1000+ cfm from a Qjet
Views:
3,558
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:
55
1000+ cfm from a Qjet
Views:
3,558
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
RIP - Dickey Betts
Views:
579
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
RIP - Dickey Betts
Views:
579
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:
55
1000+ cfm from a Qjet
Views:
3,558
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:
55
1000+ cfm from a Qjet
Views:
3,558
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:
55
1000+ cfm from a Qjet
Views:
3,558
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:
55
1000+ cfm from a Qjet
Views:
3,558
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
A First For Me.
Views:
944
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
Q jet info for all, power piston spring rating
Views:
565
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...
Showing results 1 to 25 of 500
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