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Posts Made By:
72LuxuryLeMansLa.
Forum:
Pontiac - Street
12-23-2023, 01:34 PM
Replies:
9
Which motor mounts?
Views:
844
Posted By
PunchT37
That`s a "Trans Am" block. Paul prolly tapped...
That`s a "Trans Am" block. Paul prolly tapped those bosses to be able to toss it in any chassis. I don`t think the 557 block even has all the bosses like the XX block.
Forum:
Pontiac - Street
12-23-2023, 08:31 AM
Replies:
9
Which motor mounts?
Views:
844
Posted By
HWYSTR455
Yeah, 5 hole blocks are 70-76 years, and will fit...
Yeah, 5 hole blocks are 70-76 years, and will fit anything.
.
Forum:
Pontiac - Street
12-23-2023, 03:08 AM
Replies:
9
Which motor mounts?
Views:
844
Posted By
Goatracer1
If all 5 holes are present and tapped just use...
If all 5 holes are present and tapped just use the correct mounts for the YEAR and BODY style of the car it will be installed in.
Forum:
Pontiac - Street
12-22-2023, 12:02 PM
Replies:
9
Which motor mounts?
Views:
844
Posted By
HWYSTR455
It looks like you might need to grind a boss on...
It looks like you might need to grind a boss on the block some.
.
Forum:
Pontiac - Street
12-22-2023, 12:00 PM
Replies:
9
Which motor mounts?
Views:
844
Posted By
HWYSTR455
Found this which might help explain things, and...
Found this which might help explain things, and Ames was a source for the article:
https://www.motortrend.com/how-to/early-late-pontiac-v-8-motor-mount-adapters/
.
Forum:
Pontiac - Street
12-22-2023, 11:49 AM
Replies:
9
Which motor mounts?
Views:
844
Posted By
HWYSTR455
So the late blocks have different bolt holes for...
So the late blocks have different bolt holes for mounts in the side of the block, and you need the adapter to install in a 74 & earlier chassis.
I see them in the latest AMES catalog, N244A.
...
Forum:
Pontiac - Street
12-17-2023, 04:28 PM
Replies:
2
Power Steering Pump Rebuild Kit
Views:
1,380
Posted By
geeteeohguy
That flat ring used to be an O ring.
That flat ring used to be an O ring.
Forum:
Electrical Tech
12-11-2023, 11:38 AM
Replies:
12
Lights intermittently brighten then go back to normal
Views:
4,669
Posted By
george kujanski
^^^^ the voltmeter will tell you if the...
^^^^ the voltmeter will tell you if the alternator/regulator is working correctly. Check the alternator belt also.
George
Forum:
Electrical Tech
12-11-2023, 01:56 AM
Replies:
12
Lights intermittently brighten then go back to normal
Views:
4,669
Posted By
Lemans64
Wire in a voltmeter inside and watch it when this...
Wire in a voltmeter inside and watch it when this happens, or have someone else watch it. Something has to be switching on and off
or higher and lower to get headlamps to flicker like that. Maybe...
Forum:
Electrical Tech
12-09-2023, 04:55 PM
Replies:
12
Lights intermittently brighten then go back to normal
Views:
4,669
Posted By
tjs72lemans
Not sure that would affect instrument panel...
Not sure that would affect instrument panel though.
Forum:
Electrical Tech
12-09-2023, 04:06 PM
Replies:
12
Lights intermittently brighten then go back to normal
Views:
4,669
Posted By
Stuart
Most of the time, automotive electrical problems...
Most of the time, automotive electrical problems can be traced to bad grounds. Check the ground connections on your headlights - remove the screws, clean up any rust or corrosion on the terminal as...
Forum:
Pontiac - Street
09-28-2023, 09:53 AM
Replies:
212
73 SD-455 TA to be made road worthy again after sitting since 1979
Views:
34,090
Posted By
mgarblik
Good traffic on this thread. Before I posted it,...
Good traffic on this thread. Before I posted it, I had a few back and forth PM's with B-man about how and where to post this thread. The street section gets allot of traffic so he thought this...
Forum:
Pontiac - Street
08-14-2022, 05:32 PM
Replies:
61
Engine stalls when hot...fuel related
Views:
10,124
Posted By
PunchT37
2`nd place is only the 1`st loser.:)
2`nd place is only the 1`st loser.:)
Forum:
Pontiac - Street
08-13-2022, 10:37 AM
Replies:
61
Engine stalls when hot...fuel related
Views:
10,124
Posted By
PunchT37
One wonders why Pontiac put that black foam...
One wonders why Pontiac put that black foam insulation on the fuel line from the pump to the carb.;)
Forum:
Pontiac - Street
05-27-2022, 09:39 PM
Replies:
58
need recommendation's for my 350 rebuild (that's right, not a 400 or 455 :)
Views:
6,869
Posted By
b-man
I’d be looking for a 4-speed with the most...
I’d be looking for a 4-speed with the most favorable first gear to get the car moving with that 3.08 rear, at least a 2.64 or even lower. I’m not sure any of the ones you listed would be ideal.
...
Forum:
Pontiac - Street
04-28-2022, 07:49 PM
Replies:
19
Vacuum advance source
Views:
2,202
Posted By
Tom Vaught
Normally Vacuum Advance gets a balanced vacuum...
Normally Vacuum Advance gets a balanced vacuum from both sides of the carb where it mounts on the divided wall of the carb. If you put it on a carb stud you get one half of the signal to the vacuum...
Forum:
Pontiac - Street
04-21-2022, 10:26 PM
Replies:
77
400 vs 455 stroker build
Views:
8,640
Posted By
Jay S
Your not missing anything. I sure WISH there...
Your not missing anything. I sure WISH there was a forged in the USA crank available. All the forged aftermarket cranks I know of are forged in China. I think Scat and Ohio crankshaft are about...
Forum:
Pontiac - Street
04-16-2022, 10:23 PM
Replies:
77
400 vs 455 stroker build
Views:
8,640
Posted By
b-man
Best advice in this thread right here. These...
Best advice in this thread right here.
These 400 engines were no slouch as delivered from the factory.
With a cam upgrade they really wake up, porting the heads really isn’t necessary. Just get...
Forum:
Pontiac - Street
04-16-2022, 12:25 PM
Replies:
77
400 vs 455 stroker build
Views:
8,640
Posted By
PunchT37
Factory stock crank will put up with a lot....
Factory stock crank will put up with a lot. Pontiac`s "small" main is still 3 inches. Bigger than most other big blocks.
I spin my stock 455 crank to 6500. It`s got bigger mains but a 4.21 stroke...
Forum:
Pontiac - Street
04-16-2022, 11:41 AM
Replies:
77
400 vs 455 stroker build
Views:
8,640
Posted By
PunchT37
You could also keep the 3.75 stroke and add 4340...
You could also keep the 3.75 stroke and add 4340 rods with the good pistons that you`re gonna get. Then, maybe a solid flat tappet cam and rev that bitch. Fun 4 speed car that can rev a little more....
Forum:
Pontiac - Street
04-16-2022, 10:20 AM
Replies:
77
400 vs 455 stroker build
Views:
8,640
Posted By
PunchT37
The more I think about it, a `70 Trans Am with a...
The more I think about it, a `70 Trans Am with a 4 speed and 3.73`s. I would leave the 400 and fix the pinging problem with good pistons and a cam. The origionality, driveability, and durability of...
Forum:
Pontiac - Street
03-04-2022, 11:16 PM
Replies:
50
I need a set of heads
Views:
6,830
Posted By
Mike Davis
No way I would put a set of 72CC heads on a set...
No way I would put a set of 72CC heads on a set of old cast pistons. You would be better off using 6x-4 or -8 shaved down to about 94CC. I would spend the money on new pistons no matter what heads...
Forum:
Pontiac - Street
02-10-2022, 02:12 PM
Replies:
6
Rear Main leak 350 V8
Views:
1,262
Posted By
PunchT37
I would verify it is an actual rear main seal...
I would verify it is an actual rear main seal leak 1`st. Oil pans are famous for leaking back there. Valley pan, dist gasket, etc.
Forum:
Pontiac - Street
02-03-2022, 12:59 PM
Replies:
178
Sticky:
Official Pontiac Street Engine Combo Thread, Post your combo here!
Views:
267,176
Posted By
PunchT37
Update... Car stayed mostly the same. New...
Update...
Car stayed mostly the same. New engine installed;
455, .035 over for 463 cubes;
Stock 103 crank, ARP main studs, 2 bolt main, 4340 I beam rods, Clevite bearings, Ross full...
Forum:
Pontiac - Street
01-19-2022, 09:24 PM
Replies:
56
Am I overbuilding my engine?
Views:
7,785
Posted By
Formulajones
I'm on the same page. Been a forged piston guy...
I'm on the same page. Been a forged piston guy for decades and build everything with them, which are primarily street cars. Today with pump gas what it is, never knowing what you're getting from...
Showing results 1 to 25 of 127
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