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Posts Made By:
b-man
Forum:
Pontiac - Street
Yesterday, 05:17 PM
Replies:
18
What’s this 421 worth?
Views:
475
Posted By
b-man
For something that’s supposedly been machined and...
For something that’s supposedly been machined and ready to assemble it’s sure looking dirty and rusty.
Assume all the machine work that’s been done will need to be redone. Also assume that since...
Forum:
Pontiac - Street
Yesterday, 01:36 PM
Replies:
18
What’s this 421 worth?
Views:
475
Posted By
b-man
Not really because the 421 block has a pretty...
Not really because the 421 block has a pretty robust casting compared to the 389s. However that much overbore kind of diminishes the value to a certain extent. When I bought my 421 it was standard...
Forum:
Pontiac - Street
Yesterday, 12:10 PM
Replies:
18
What’s this 421 worth?
Views:
475
Posted By
b-man
Absolutely not 421 pistons. The valve reliefs are...
Absolutely not 421 pistons. The valve reliefs are completely different on a 421.
The valve reliefs and dish shown are what forged 428 replacement TRW/Sealed Power 12cc pistons all look like.
...
Forum:
Pontiac - Street
Yesterday, 11:53 AM
Replies:
18
What’s this 421 worth?
Views:
475
Posted By
b-man
Standard bore size is 4.09375” for the 421. ...
Standard bore size is 4.09375” for the 421.
4.120” is standard bore for the 428.
4.160” is +.040” for the 428 pistons so you’re poking that 421 .06625” over which seems excessive unless the...
Forum:
Pontiac - Street
Yesterday, 04:01 AM
Replies:
20
18 inch wheel fitment, '67 LeMans/GTO?
Views:
822
Posted By
b-man
Kinda want 19” wheels now instead of the 18” ones...
Kinda want 19” wheels now instead of the 18” ones but I’m good. :D
Forum:
Performance Parts For Sale/Wanted
Yesterday, 12:10 AM
Replies:
24
900HP Pontiac 535 all Aluminum engine for sale - $15,000
Views:
8,654
Posted By
b-man
PM him for details, per his request. Closed.
PM him for details, per his request.
Closed.
Forum:
THE LOBBY
05-02-2024, 07:53 PM
Replies:
18
68 GTO convertible values?
Views:
391
Posted By
b-man
Until you see it in person assume it’s rusty. ...
Until you see it in person assume it’s rusty.
Without inspection in person there’s no way to determine the value.
Forum:
Pontiac - Street
05-02-2024, 07:29 PM
Replies:
20
18 inch wheel fitment, '67 LeMans/GTO?
Views:
822
Posted By
b-man
I once tried to switch from 10x28” slicks to...
I once tried to switch from 10x28” slicks to 9x29” (15x8.5” wheels) on my ‘64 GTO bracket car. A total no-go, just way too tall.
Just to get the 10x28” slick on there I had to hammer the rear...
Forum:
Pontiac - Street
05-02-2024, 07:05 PM
Replies:
13
2 Questions about my ride
Views:
444
Posted By
b-man
Might help. Measure from the crossmember to...
Might help.
Measure from the crossmember to the floor pan with and without the rubber insulators, just rest the bare crossmember ends on the top of the frame to see.
Or eliminate the issue and...
Forum:
Pontiac - Street
05-02-2024, 03:46 PM
Replies:
13
2 Questions about my ride
Views:
444
Posted By
b-man
The crossmember will be tilted rearward at a very...
The crossmember will be tilted rearward at a very slight angle when you slide it back if you retain the stock rubber insulators and clamp mounting. This presents zero issues.
You can also simply...
Forum:
Pontiac - Street
05-02-2024, 02:09 AM
Replies:
13
2 Questions about my ride
Views:
444
Posted By
b-man
When I converted my ‘64 to TH400 all I did was...
When I converted my ‘64 to TH400 all I did was move the crossmember back and drill 4 new holes for the 2 hold down brackets. Those 2 brackets retain the rubber insulators that cap the ends of the...
Forum:
Pontiac - Street
05-01-2024, 05:17 PM
Replies:
18
Best alternative to the cast 8vr?
Views:
460
Posted By
b-man
Break the bank. Bust it open. Order up...
Break the bank.
Bust it open.
Order up a set of Ross or Icon custom forged pistons made to the compression height, dish volume and bore size you need.
I wouldn’t order them until the block...
Forum:
69-77 Grand Prix TECH
05-01-2024, 04:04 PM
Replies:
2
T400 Tailshaft Length
Views:
100
Posted By
b-man
Short shaft like the A-body cars. The ‘69 GP...
Short shaft like the A-body cars.
The ‘69 GP sits on what’s essentially an A-body chassis stretched 6” ahead of the engine.
Former ‘69 GP owner here so I’m not guessing. ;)
Forum:
Exhaust TECH
04-30-2024, 06:43 PM
Replies:
14
Seeking a quiet muffler
Views:
554
Posted By
b-man
The 17749 mufflers are my favorite. Almost...
The 17749 mufflers are my favorite.
Almost as quiet as a factory muffler and great performance.
I run them with a Flowmaster mandrel bent aluminized 2-1/2” system with H-pipe on both of my 1964...
Forum:
Pontiac - Street
04-29-2024, 05:22 PM
Replies:
18
421 Block - Sevice Replacement?
Views:
700
Posted By
b-man
1965 engines were the first to use the full...
1965 engines were the first to use the full length windage tray, the dipstick tube configuration changed completely as well.
Maybe you missed this thread on 1964 389 and 421 blocks:
...
Forum:
Pontiac - Street
04-29-2024, 02:11 PM
Replies:
18
Taming the tiger. Performance motor to street motor
Views:
788
Posted By
b-man
Sell the heads and intake/carb. Sell the cam...
Sell the heads and intake/carb.
Sell the cam and lifters.
Put whatever mild flat tappet hydraulic cam in it like a 2801 or 068.
Buy some rebuilt stock iron heads with combustion chambers...
Forum:
64-65 GTO Tempest & LeMans TECH
04-27-2024, 11:21 PM
Replies:
11
Not a GTO thing, but I'm still proud of it
Views:
389
Posted By
b-man
Of course it came from a Corvette….. ;) ...
Of course it came from a Corvette….. ;)
There’s more Corvette engines out there than the number of Corvettes ever produced. :)
Forum:
THE LOBBY
04-26-2024, 07:07 PM
Replies:
24
1962 Grand Prix - What do I do with it?
Views:
856
Posted By
b-man
Personally I’d put it back to factory original. ...
Personally I’d put it back to factory original.
The original 45k-mile engine shouldn’t really need much other than resealing and putting together a correct Tri-Power won’t be difficult, in fact I...
Forum:
Pontiac - Street
04-26-2024, 02:18 PM
Replies:
49
Mellings 041 Cam / Rhoads Lifter Wear
Views:
5,509
Posted By
b-man
Okay. :rolleyes: :ranger:
Okay. :rolleyes:
:ranger:
Forum:
66-67 GTO Tempest & LeMans TECH
04-26-2024, 01:04 AM
Replies:
5
326 with 092 Heads
Views:
252
Posted By
b-man
The 1966 092 heads have a 68cc chamber to make...
The 1966 092 heads have a 68cc chamber to make 10.5:1 on a 389, 1.92/1.66 valves.
The 1967 140 2-barrel 326 heads are 62cc to make 9.2:1 compression also with 1.92/1.66 valves.
So it’s pretty...
Forum:
Suspension TECH
04-25-2024, 03:25 PM
Replies:
17
Dip in road - Tires hit wheel wells. Shocks?
Views:
478
Posted By
b-man
It’s also possible to cut the wheel to drum or...
It’s also possible to cut the wheel to drum or rotor mounting surface a little to tuck the wheels inward.
Removing say 1/8” to perhaps 1/4” isn’t unsafe depending on the thickness of the wheel in...
Forum:
Suspension TECH
04-25-2024, 02:54 PM
Replies:
17
Dip in road - Tires hit wheel wells. Shocks?
Views:
478
Posted By
b-man
The 215/70-15 is a pretty tall tire at 26.85”,...
The 215/70-15 is a pretty tall tire at 26.85”, that fact combined with the 7” wheel that has about 1/2” less backspace than a stock 7” Rally II wheel is creating the interference. I would be looking...
Forum:
64-65 GTO Tempest & LeMans TECH
04-24-2024, 09:00 PM
Replies:
18
64 GTO PHS
Views:
546
Posted By
b-man
Intake date codes are on the bottom of the intake...
Intake date codes are on the bottom of the intake and head date codes are under the valve covers.
Forum:
64-65 GTO Tempest & LeMans TECH
04-24-2024, 08:01 PM
Replies:
18
64 GTO PHS
Views:
546
Posted By
b-man
Shame there’s a Chevy air cleaner lid on it...
Shame there’s a Chevy air cleaner lid on it instead of the lovely original chrome unit with the short snorkel.
Forum:
Pontiac - Street
04-23-2024, 11:50 PM
Replies:
13
2bbl air cleaner questions
Views:
438
Posted By
b-man
What car and what year? There are numerous...
What car and what year?
There are numerous types of 2-barrel air cleaners.
Honestly there’s little to no chance that anyone is reproducing any 2-barrel air cleaners other than the little chrome...
Showing results 1 to 25 of 500
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