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Search: Posts Made By: rohrt
Forum: Pontiac - Street 11-28-2023, 09:15 AM
Replies: 24
Views: 1,200
Posted By Cliff R
The 7040263 is set up really lean on the primary...

The 7040263 is set up really lean on the primary side and will not work well on this new fuel. Typical complaints are hesitation/stumble/bog coming off idle and often "surging" at light cruise.
...
Forum: Pontiac - Street 09-10-2023, 09:26 AM
Replies: 40
Views: 1,923
Posted By 78w72
Rivnut.

Rivnut.
Forum: Pontiac - Street 09-05-2023, 12:15 PM
Replies: 55
Views: 3,327
Posted By Formulajones
Nothing wrong with those pressures although that...

Nothing wrong with those pressures although that oil is on the thin side. I'd feel better with 10-30 and just run with it.
Forum: Pontiac - Street 07-21-2023, 05:56 PM
Replies: 42
Views: 3,029
Posted By Cliff R
"Am I reading this correctly. KRE D port =...

"Am I reading this correctly.
KRE D port = 502hp/497tq @5300 heart" shaped chamber
Edelbrock 505hp/551tq "bathtub" chamber Larger cast intakes"

Steve put a link to the actual numbers. Typo on...
Forum: THE LOBBY 07-12-2023, 12:43 PM
Replies: 67
Views: 9,573
Posted By Dave Bisschop
Thank you everyone for your words of concern and...

Thank you everyone for your words of concern and encouragement. The past month has been a tough one for my entire family as it was a lot more than just the business that burned to the ground on June...
Forum: Pontiac - Street 05-20-2023, 03:49 PM
Replies: 16
Views: 1,111
Posted By geeteeohguy
2700 Mile Road Trip in Un-Improved '67 GTO

Hi all. Just got back from a Route 66 /Southwest vacation in my old '67 GTO ragtop. Car has the born with 400, carb, and points distributor. I changed the 670 heads to #15's from a '70 455 about 15...
Forum: THE LOBBY 04-02-2023, 12:24 AM
Replies: 128
Views: 9,032
Posted By getmygoat
Most of what these cars bring is nostalgia. ...

Most of what these cars bring is nostalgia. Throw backs to our youth. Modifications from original dilute the nostalgia for something else.

I think its that simple.
Forum: Pontiac - Street 03-27-2023, 09:30 PM
Replies: 75
Views: 5,163
Posted By Formulajones
No need to modify the plugs on the cars, the H4's...

No need to modify the plugs on the cars, the H4's come with a male plug already wired in. Yes used the same LED's for the 4 lamp setup. They just tell you on the high beam lamps the 3rd prong...
Forum: Pontiac - Street 03-27-2023, 09:15 PM
Replies: 75
Views: 5,163
Posted By grivera
I used the same set up FJ described

I used the same set up FJ described
Forum: Pontiac - Street 03-27-2023, 08:10 PM
Replies: 75
Views: 5,163
Posted By Greg Reid
Trying to clarify something for myself here....

Trying to clarify something for myself here. There's no need to change the factory T-3 plugs?
Also, did you use the same recommended LEDs for your dad's four lamp setup? Are there separate high beam...
Forum: THE LOBBY 03-10-2023, 08:04 PM
Replies: 38
Views: 3,228
Posted By Jay S
There are some rural salvage yards around with...

There are some rural salvage yards around with some vintage stuff. Getting to be fewer and fewer around though. I have an one hr and a half from me in southern Nebraska that has around 400...
Forum: Pontiac - Street 02-25-2023, 09:23 AM
Replies: 28
Views: 2,638
Posted By Stan Weiss
You might want to take a look at this video. ...

You might want to take a look at this video.

https://www.youtube.com/watch?v=0FgWYtAeegM

Stan
Forum: THE LOBBY 10-14-2022, 11:03 PM
Replies: 146
Views: 12,239
Posted By b-man
Two great things that go great together. :D

Two great things that go great together. :D
Forum: Pontiac - Street 10-11-2022, 08:17 PM
Replies: 24
Views: 1,561
Posted By gman005
Here are a few pictures.

Here are a few pictures.
Forum: Pontiac - Street 10-09-2022, 11:10 PM
Replies: 61
Views: 3,635
Posted By slowbird
Some of us care about 5-10 hp. If I can find 10...

Some of us care about 5-10 hp. If I can find 10 places to find 10hp I'll be happy :)
Forum: Pontiac - Street 09-22-2022, 08:46 AM
Replies: 32
Views: 2,503
Posted By Formulas
The engine iam building now i have basically...

The engine iam building now i have basically studded the crank pulley, quality old school allen head cap screws in from the back, had to chuck them up in a drill motor against a grinding wheel to...
Forum: Pontiac - Street 08-28-2022, 10:29 AM
Replies: 28
Views: 3,513
Posted By 78w72
DCI is definitely still around & building some...

DCI is definitely still around & building some awesome engines with is RA5 heads & bathtub intakes. hes active on FB almost daily....

surprised theres not more mention of his heads/engines on...
Forum: Pontiac - Street 08-27-2022, 08:55 AM
Replies: 34
Views: 2,139
Posted By chuckies76ta
I ran these same lifters in one of my engines...

I ran these same lifters in one of my engines that I sold and the guy has never touched the adjustment and they are still operating fine for years. I was told by the manufacturing Tech that preload...
Forum: Pontiac - Street 08-26-2022, 04:07 PM
Replies: 34
Views: 2,139
Posted By Gach
In other words with a lifter pumped up, just set...

In other words with a lifter pumped up, just set it so there’s no play in push rod, then roll motor over. You will notice with lifter pump up, if you go that 1/4 turn the valve will start to open,...
Forum: Pontiac - Street 08-13-2022, 04:09 PM
Replies: 67
Views: 6,023
Posted By tc
I have never used a crank socket so I don't know...

I have never used a crank socket so I don't know how they work. The pointer needs to be very close to the degree wheel and yes, look straight on. You find intake lobe center the same way you find...
Forum: Pontiac - Street 08-13-2022, 10:44 AM
Replies: 67
Views: 6,023
Posted By 6T5 Cat
I had the exact same problem about a year ago. I...

I had the exact same problem about a year ago. I degreed the cam about four or five times and came up with different numbers each time. I have been degreeing cams for over 55 years and was about to...
Forum: Pontiac - Street 08-13-2022, 09:53 AM
Replies: 67
Views: 6,023
Posted By 400 Lemans
Not the Stump...

Not the Stump Phttps://forums.maxperformanceinc.com/forums/showthread.php?t=735243&highlight=faithfululler, but good install info on the Old Faithful.
Forum: Pontiac - Street 08-10-2022, 02:24 PM
Replies: 67
Views: 6,023
Posted By Formulajones
LOL What Paul does with his builds is...

LOL

What Paul does with his builds is advance the camshaft until the intake lobe lift is about .035-.040" higher than the exhaust lobe at TDC overlap stroke.

His theory, that I've tried on a...
Forum: Pontiac - Street 08-10-2022, 08:16 AM
Replies: 67
Views: 6,023
Posted By Formulajones
The cam card will tell you if the camshaft has...

The cam card will tell you if the camshaft has advance ground in it. For example if the LSA is 112, look at the ICL on the card. If it says 108 then the cam has 4 degrees of advance ground into...
Forum: Pontiac - Street 08-10-2022, 07:16 AM
Replies: 67
Views: 6,023
Posted By Cliff R
Here is the down and dirty on timing sets from...

Here is the down and dirty on timing sets from what I've learned actually doing to this of thing for a while. If this information has a few folks on here get their panties all wadded up, which it...
Showing results 1 to 25 of 77

 
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