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Posts Made By:
steve25
Forum:
Pontiac - Street
Yesterday, 09:58 AM
Replies:
28
1000+ cfm from a Qjet
Views:
1,193
Posted By
steve25
I recall a article in 91 where Don Kennedy’s 470...
I recall a article in 91 where Don Kennedy’s 470 cid 600 Hp super stock bird needed 9 psi to keep up with the fuel volume usage.
Forum:
Pontiac - Street
Yesterday, 08:25 AM
Replies:
28
1000+ cfm from a Qjet
Views:
1,193
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
04-18-2024, 04:59 PM
Replies:
16
Oil capacity
Views:
571
Posted By
steve25
Even in my everyday vehicle ( big V6 ) I can...
Even in my everyday vehicle ( big V6 )
I can clearly tell when I get 3/4 of a Qt low, the motor clearly puts out more power.
Forum:
Pontiac - Street
04-18-2024, 10:12 AM
Replies:
28
1000+ cfm from a Qjet
Views:
1,193
Posted By
steve25
Stan thanks for nailing it down better. I was...
Stan thanks for nailing it down better.
I was trying to judge a time line by pictures in articles and books and when they where printed and or published.
No problem VCho455, it’s just that...
Forum:
Pontiac - Race
04-18-2024, 08:56 AM
Replies:
35
What size headers
Views:
649
Posted By
steve25
A overly large primary tube on a given race motor...
A overly large primary tube on a given race motor can sometimes be partially compensated for by a longer then needed collector extension.
Forum:
Pontiac - Street
04-18-2024, 08:40 AM
Replies:
28
1000+ cfm from a Qjet
Views:
1,193
Posted By
steve25
GM did not make the Q jet Rochester mainly did...
GM did not make the Q jet Rochester mainly did and then Carter for a while.
The 4 bbl test pressure has always been 1.5 hg which converts to 20.4 inches of water, not 24 inches of water.
When ...
Forum:
Pontiac - Race
04-18-2024, 06:41 AM
Replies:
24
Summit racing drops speedmaster products
Views:
1,013
Posted By
steve25
I can understand why! While it’s good that...
I can understand why!
While it’s good that they did such it would be far easier since there based here to be sued then a company in China.
Forum:
Pontiac - Street
04-18-2024, 06:31 AM
Replies:
28
1000+ cfm from a Qjet
Views:
1,193
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, 05:08 PM
Replies:
16
Oil capacity
Views:
571
Posted By
steve25
Bop states that it’s a 5qt pan and with a filter...
Bop states that it’s a 5qt pan and with a filter change if you do not prime the filter then add 6 qts.
So I need to ask if the upper dip stick tube was driven into the block all the way, if not it...
Forum:
Pontiac - Race
04-17-2024, 07:48 AM
Replies:
14
Edelbrock Pro Port 440cfm heads, KRE MR1A block, intake build
Views:
562
Posted By
steve25
What circle track class allows 540 cid?
What circle track class allows 540 cid?
Forum:
Pontiac - Street
04-17-2024, 05:48 AM
Replies:
4
Screw in studs for a Crower 60916?
Views:
270
Posted By
steve25
Well then run your #15s and if you can get it...
Well then run your #15s and if you can get it done local enough and afford it get the studs pinned.
If you or a buddy have a decent drill press you can do it yourself.
Forum:
Pontiac - Street
04-16-2024, 08:05 PM
Replies:
28
1000+ cfm from a Qjet
Views:
1,193
Posted By
steve25
Yes, it can be done but your standard 750 Q jet...
Yes, it can be done but your standard 750 Q jet can produce 580 Hp with ease .
Simple tweaks to get it up to even just 800 cfm will allow over 600 Hp to be made, but even at the 600 Hp level the Q...
Forum:
Pontiac - Street
04-16-2024, 07:55 PM
Replies:
4
Screw in studs for a Crower 60916?
Views:
270
Posted By
steve25
It depends on you. The since the 16s have screw...
It depends on you.
The since the 16s have screw studs they are also big valve heads and even with the 068 cam will buy you 15 more Hp and the same gain in peak TQ over running the 15s.
If the 15s...
Forum:
Pontiac - Street
04-16-2024, 04:46 PM
Replies:
1
A body accelerator pedals
Views:
139
Posted By
steve25
I don’t know the details of that part of the set...
I don’t know the details of that part of the set up, I do know that in terms of the pedal itself auto trans cars had the chrome trim around the pedal, mt cars did not,
Forum:
Pontiac - Street
04-16-2024, 04:33 PM
Replies:
10
Are pitted main caps OK or junk?
Views:
547
Posted By
steve25
If there got to be rust to get delt with Some...
If there got to be rust to get delt with Some pitting is better and can be tolerated more then a complete layer of total surface rust.
Removing a layer of rust as in this photo will make the...
Forum:
Pontiac - Street
04-16-2024, 02:25 PM
Replies:
4
Quadrajet Accelerator Pump Issue
Views:
239
Posted By
steve25
As stated above it sounds like the passages have...
As stated above it sounds like the passages have residual crap in them and are restricted.
Forum:
Pontiac - Race
04-16-2024, 07:43 AM
Replies:
4
Valve Springs.
Views:
202
Posted By
steve25
If you yank the inner springs out to touch them...
If you yank the inner springs out to touch them up before hand note how they are installed in regards to the coil winding.
It can be time consuming to do this, but worth it.
Forum:
Pontiac - Race
04-16-2024, 05:58 AM
Replies:
4
Valve Springs.
Views:
202
Posted By
steve25
What matters by far is that the end is polished...
What matters by far is that the end is polished over with no sharp edge to be found and this is true for the inner spring also.
I have rarely over the years had a set of new springs that I did not...
Forum:
Pontiac - Street
04-16-2024, 05:47 AM
Replies:
6
New vacuum lines beware
Views:
391
Posted By
steve25
Gates hose in there green stripe line was the...
Gates hose in there green stripe line was the premium stuff and may still be but I can't confirm since I am still working off of 25 ft I purchased at least 18 years ago.
Forum:
Pontiac - Race
04-15-2024, 07:32 PM
Replies:
12
porting went wrong
Views:
794
Posted By
steve25
I forgot to mention that if the other 6 intake...
I forgot to mention that if the other 6 intake ports are scalloped out like those 2 then fill them in as well.
When done it should look like your other set of 96 heads.
Forum:
Pontiac - Street
04-15-2024, 11:29 AM
Replies:
3
Water Pump Going South?
Views:
244
Posted By
steve25
I have not watched the vid, but I have heard such...
I have not watched the vid, but I have heard such sounds if you have a auto trans and the flexplate is cracked to one degree or another.
If you have a clutch fan also check that the fan itself...
Forum:
Pontiac - Race
04-15-2024, 05:47 AM
Replies:
12
porting went wrong
Views:
794
Posted By
steve25
Why can't you load pictures, do you need...
Why can't you load pictures, do you need guidance?
I would like to see pictures of where you went through.
1) if you ground thru near the head bolt boss repairs do not hold up for long due to...
Forum:
Pontiac - Street
04-14-2024, 11:50 AM
Replies:
10
Bolt size tranny line into radiator?
Views:
412
Posted By
steve25
Yup 5/16”.
Yup 5/16”.
Forum:
Pontiac - Street
04-13-2024, 08:48 PM
Replies:
2
Header tube temps?
Views:
251
Posted By
steve25
Only custom sheet metal intakes have perfect fuel...
Only custom sheet metal intakes have perfect fuel distribution.
I would not be the least bit concerned, the concern should be at full throttle that no cylinder checks out at 1350 and no more the...
Forum:
Pontiac - Street
04-13-2024, 11:00 AM
Replies:
5
Holley tuning ?
Views:
308
Posted By
steve25
If you do not have a stumble off idle when the...
If you do not have a stumble off idle when the motor is up to temp, or a cold starting issue then I would not fret over it especially if you get that gauge fitted up to keep a eye on it.
PS, the...
Showing results 1 to 25 of 500
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