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PY Online Forums - Bringing the Pontiac Hobby Together
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Formulas
Forum:
Pontiac - Street
06-12-2024, 08:23 AM
Replies:
13
Help with Jetting
Views:
311
Posted By
Formulas
Find a youtube video on how to check and adjust...
Find a youtube video on how to check and adjust the holley float levels.
This is a baseline foundational carburation step on which nothing else carb related matters unless this is right, ... it...
Forum:
Pontiac - Street
06-10-2024, 09:17 PM
Replies:
7
Cam for 70 GTO 4 speed
Views:
321
Posted By
Formulas
If you can stand a little noise while realizing...
If you can stand a little noise while realizing your engine is healthy this is where a set of Rhoads lifters would come in handy they would reduce duration and overlap at clutch release RPMs to...
Forum:
Pontiac - Street
06-09-2024, 05:20 PM
Replies:
36
455 Spark Knocking since moving to Arizona
Views:
996
Posted By
Formulas
shouldn't be a need for water injection LOL ...
shouldn't be a need for water injection LOL
after running #48 heads on 2 eyebrow 440 cuin piston engine 2 steps colder plugs helped plus other things i mention, the edelbrock varijection however...
Forum:
Pontiac - Street
06-09-2024, 04:18 PM
Replies:
36
455 Spark Knocking since moving to Arizona
Views:
996
Posted By
Formulas
easy cheap and effective,... 2 steps colder...
easy cheap and effective,... 2 steps colder plugs, 160 t'stat, blocked intake heat crossover, slightly richer carb, and if i lived where it can be 115 degrees at 1am i would be using the severe duty...
Forum:
70-73 Firebird & TA TECH
06-09-2024, 01:46 PM
Replies:
27
How many 70-72 Trans Ams are left out there to restore?
Views:
1,041
Posted By
Formulas
Winter snow and ice claimed quite a few, ....A...
Winter snow and ice claimed quite a few, ....A little to much throttle in a corner with a posi and low RPM torque engine on ice and snow, easy to lose it especially someone who bought more car than...
Forum:
Pontiac - Street
06-09-2024, 01:18 PM
Replies:
50
Read my plugs
Views:
2,025
Posted By
Formulas
I have only one spark plug break on me and it was...
I have only one spark plug break on me and it was a champion .... brand new set.. ..... engine started missing the next day and drove me crazy for a day or two checking things that were...
Forum:
Pontiac - Race
06-07-2024, 05:12 PM
Replies:
22
Beehive pressures for HR cams
Views:
916
Posted By
Formulas
Part of the beehive magic is in the ovate coil...
Part of the beehive magic is in the ovate coil design.
The cross section of the spring wire is not round its oval giving it more resistance to the negative effects of spring surge giving more...
Forum:
Pontiac - Race
06-05-2024, 07:16 AM
Replies:
10
Retainer to Rocker Arm Clearance
Views:
374
Posted By
Formulas
Would a .050 longer pushrod on exh. only give...
Would a .050 longer pushrod on exh. only give more retainer clearance without dorking up anything else?
Forum:
Pontiac - Street
06-04-2024, 09:08 PM
Replies:
30
New motor tuning mystery
Views:
1,245
Posted By
Formulas
Have you bothered to ask this community for spare...
Have you bothered to ask this community for spare weights and cams?
Forum:
Pontiac - Street
06-03-2024, 04:56 PM
Replies:
40
Catastrophic Engine Failure
Views:
2,419
Posted By
Formulas
I have only spun one rod bearing in life back in...
I have only spun one rod bearing in life back in 1982 sounded like an elf in my oil pan with a 5lb sledge hammer hitting the block hard every time a certain cylinder fired, the tempo increases fast...
Forum:
Pontiac - Street
06-03-2024, 04:25 PM
Replies:
9
Cracks in lifter valley area? Opinions
Views:
436
Posted By
Formulas
one time long ago i had some funky soft cam...
one time long ago i had some funky soft cam bearings had to pry the cam out,.... levered a big screwdriver in that back area against a cam lobe to push the cam foreward and out to replace the cam...
Forum:
Pontiac - Street
06-03-2024, 03:54 PM
Replies:
40
Catastrophic Engine Failure
Views:
2,419
Posted By
Formulas
If i were to go street roller i would go tight...
If i were to go street roller i would go tight side of specs on crank bearings so thinner oil can be used with direct roller lifter axle oiling along with the HP. SD. oil pump elevated idle RPM ......
Forum:
Pontiac - Street
06-03-2024, 09:11 AM
Replies:
30
New motor tuning mystery
Views:
1,245
Posted By
Formulas
Some HEI cams are more resistant to over...
Some HEI cams are more resistant to over advancing than others,
My own testing in a garage with only a timing light, some cams would reach full desired advance stop advancing for about 1500 rpm...
Forum:
Pontiac - Street
06-02-2024, 05:05 PM
Replies:
32
Motor oil weight you run?
Views:
1,266
Posted By
Formulas
This
This
Forum:
Pontiac - Street
06-02-2024, 02:38 PM
Replies:
25
Thicker head gasket question
Views:
769
Posted By
Formulas
1969-70 350 80-85cc heads would be much better...
1969-70 350 80-85cc heads would be much better than 94cc on that engine.
as far as overheating water pump divider plate distance and seals in that area.
not knowing what you have now perhaps a...
Forum:
Pontiac - Street
06-02-2024, 06:42 AM
Replies:
30
New motor tuning mystery
Views:
1,245
Posted By
Formulas
Sorry i read over the sentence to fast where you...
Sorry i read over the sentence to fast where you implied non functioning vac adv.
dist weights and cam number? is the cam installed numbers up or down? everything moving freely?
your carb...
Forum:
Pontiac - Street
06-01-2024, 07:34 PM
Replies:
30
New motor tuning mystery
Views:
1,245
Posted By
Formulas
if you had vac adv plugged in when you checked...
if you had vac adv plugged in when you checked for the 37 thats your problem .
the whole purpose of springs out timing check is to set total timing with full mech adv only and you dont have to rev...
Forum:
Pontiac - Street
06-01-2024, 09:56 AM
Replies:
50
Read my plugs
Views:
2,025
Posted By
Formulas
Idle quality is usually near one of the first...
Idle quality is usually near one of the first things that is worked out after cam break in
its natural to float back and forth between initial and total timing idle speed and mixture until...
Forum:
Pontiac - Street
05-30-2024, 05:07 PM
Replies:
26
Timing cover crank seal issue
Views:
910
Posted By
Formulas
I have 6 of those types of seals never thought...
I have 6 of those types of seals never thought about it before but i remember the rubber being alot thinner like a heavy paint vrs a thicker rubber like you have
its a hammer in tight fit i can...
Forum:
Pontiac - Race
05-29-2024, 10:58 PM
Replies:
19
First Time on New Build
Views:
851
Posted By
Formulas
If 60's are sweet driver claims lazy top end, ...
If 60's are sweet driver claims lazy top end, could be fuel delivery as well, no mention of the components there
Forum:
Pontiac - Street
05-28-2024, 04:14 PM
Replies:
13
455 busted: 60919 cam, Rhodes Lifters, bent push rods
Views:
781
Posted By
Formulas
strong valve springs and weak stock pushrods? ...
strong valve springs and weak stock pushrods?
the only thing worse that stock Pontiac connecting rods are the pushrods they are like a fuse in a electrical circuit slightest hint of abuse and...
Forum:
Pontiac - Street
05-26-2024, 09:47 AM
Replies:
12
Air filter sucking in???
Views:
540
Posted By
Formulas
Technically a plenum is the area beneath the carb...
Technically a plenum is the area beneath the carb and before the intake runners, But any common area consisting of multiple flow paths that is soon to be directed into a certain dedicated path is...
Forum:
Pontiac - Street
05-26-2024, 08:36 AM
Replies:
5
TH400 transmission help
Views:
330
Posted By
Formulas
The TH400 vacuum sensing / operated light...
The TH400 vacuum sensing / operated light throttle upshifts with the stock modulator are pretty care free but after your built and driving and want a different experience you can opt for the...
Forum:
Pontiac - Street
05-25-2024, 01:59 PM
Replies:
12
Air filter sucking in???
Views:
540
Posted By
Formulas
don't recomend blowing the K&N filter or use high...
don't recomend blowing the K&N filter or use high pressure water, can poke holes in the gauze reducing filtering allowing dirt to pass...
all this movement may be because the open top element...
Forum:
Pontiac - Street
05-23-2024, 01:58 PM
Replies:
171
Different cam? Chain? Car should be faster
Views:
11,245
Posted By
Formulas
I knew there was something wrong outside the list...
I knew there was something wrong outside the list of parts
a 455 with a little bit of a cam in it good compression and 3.73 gears should bring a smile at some point..
Showing results 1 to 25 of 500
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