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Forum: Pontiac - Street Today, 08:33 AM
Replies: 16
Views: 464
Posted By Cliff R
"Not an option as in it is a must do?" Yes,...

"Not an option as in it is a must do?"

Yes, HEI's are designed to stop the mechanical advance when the "flats" on the weights reach the "flats" on the center cam. The factory springs are strong...
Forum: The Body Shop TECH Yesterday, 11:13 PM
Replies: 4
Views: 115
Posted By ID67goat
I like to just use Meguiares quick detailer with...

I like to just use Meguiares quick detailer with a microfiber cloth to maintain the paint between washes. It does a good job on bugs, dirt, etc. and is available even at Walmart.

I also have to...
Forum: Pontiac - Street Yesterday, 11:01 PM
Replies: 21
Views: 575
Posted By NeighborsComplaint
Easy wasn't it? The rubber coated seal shell was...

Easy wasn't it? The rubber coated seal shell was really a dumb idea.
Forum: THE LOBBY Yesterday, 10:54 PM
Replies: 126
Views: 14,356
Posted By blueghoast
So this is something that you totally designed...

So this is something that you totally designed yourself is that correct?
And you are using your smarts and the company you work for to do this?
Trying not to be nosey but this is buy-far one hell...
Forum: THE LOBBY Yesterday, 10:07 PM
Replies: 13
Views: 513
Posted By jww
My prayers for you tonite and any and all that...

My prayers for you tonite and any and all that have this terrible malady! Cancer is so awful for patient and family.

Best wishes!!
Forum: Pontiac - Street Yesterday, 07:52 PM
Replies: 16
Views: 319
Posted By Tim Corcoran
It depends on your bearing clearances. If factory...

It depends on your bearing clearances. If factory clearances 10-30 is recommended with a little more clearance 10-40 or 15-40
Forum: 61-77 GTO, Tempest & LeMans Parts WANTED Yesterday, 04:54 PM
Replies: 2
Views: 116
Posted By hisgto
Thanks, B-Man!

Thanks, B-Man!
Forum: Pontiac - Street Yesterday, 03:10 PM
Replies: 16
Views: 464
Posted By zippy
Not an option as in it is a must do? I haven't...

Not an option as in it is a must do? I haven't made a positive stop on mine yet. But just about to give the dizzy a complete go through.
Forum: Pontiac - Street Yesterday, 02:47 PM
Replies: 16
Views: 464
Posted By Cliff R
You cannot do this with an HEI, unless it’s been...

You cannot do this with an HEI, unless it’s been modified for a positive stop,

+2

I'll also add that welding or making a positive stop for an HEI is NOT an option. They are designed to stop...
Forum: 67-69 Firebird TECH Yesterday, 01:09 PM
Replies: 53
Views: 8,843
Posted By Fourthirteen
Glad you got your booster issue figured out.

Glad you got your booster issue figured out.
Forum: Pontiac - Street Yesterday, 12:55 PM
Replies: 35
Views: 737
Posted By b-man
So I’m seeing that you’re really not needing...

So I’m seeing that you’re really not needing overdrive for the type of driving you’re doing and looking for an inexpensive way to replace the leaky and lackluster ST-300.

Just go with the easy...
Forum: Pontiac - Street Yesterday, 11:59 AM
Replies: 33
Views: 1,913
Posted By pippintook
UPDATE ========= Original issue was a...

UPDATE
=========
Original issue was a ticking/tapping noise. Engine was stock 400. Noise was happening February when the temperature was around freezing. Oil used Rotella 10w-40. Noise initially...
Forum: THE LOBBY Yesterday, 10:36 AM
Replies: 4
Views: 279
Posted By burd
There was a nice 69 ta there too

There was a nice 69 ta there too
Forum: 70-72 GTO Tempest & LeMans TECH Yesterday, 10:17 AM
Replies: 2
Views: 80
Posted By 'ol Pinion head
RADIO P/B is the base AM radio. With the '70...

RADIO P/B is the base AM radio. With the '70 model 412 code TAP-STEREO, there will be the traditional dash speaker along with one rear seat speaker. Balance between the two was adjusted on the 8...
Forum: 61-63 Tempest & LeMans TECH Yesterday, 09:24 AM
Replies: 713
Views: 112,672
Posted By PLongen
Installed new torque shaft bearings, thanks to...

Installed new torque shaft bearings, thanks to Chiefkey. Finished up front cross member and started put it back together, torque tube cleaned and refinished.
Forum: Pontiac - Street Yesterday, 09:16 AM
Replies: 16
Views: 464
Posted By Sun Tuned
The part where you removed the springs and set...

The part where you removed the springs and set timing at 2750 is where this got messed up.

You cannot do this with an HEI, unless it’s been modified for a positive stop,. It won’t work right doing...
Forum: 66-67 GTO Tempest & LeMans TECH Yesterday, 09:01 AM
Replies: 16
Views: 368
Posted By 'ol Pinion head
'67 GM A-B-F-body columns all had the Energy...

'67 GM A-B-F-body columns all had the Energy Absorbing feature. This redesign for this model year of both GM car standard, as well as tilt columns included numerous features. The new safety features...
Forum: Pontiac - Street Yesterday, 08:51 AM
Replies: 16
Views: 464
Posted By steve25
I can’t put enough emphasis on checking your...

I can’t put enough emphasis on checking your total timing with out vacuum advance hooked up at 5000 rpm to confirm that it’s not over advancing on you.
Forum: Pontiac - Street Yesterday, 08:35 AM
Replies: 16
Views: 464
Posted By Formulajones
The HEI may need to come apart. Every one I've...

The HEI may need to come apart. Every one I've messed with needed help. They are also notorious for over advancing as the stop bushings are always missing. That could be your issue. Setting...
Forum: Pontiac - Street Yesterday, 08:11 AM
Replies: 35
Views: 737
Posted By Formulajones
I did 2 4L80's in both of our Abodies. Falls...

I did 2 4L80's in both of our Abodies. Falls right into place with no clearance necessary.

Dad runs an MR1 block so no adapter needed on that one, it's a multi pattern block. Adapters aren't a...
Forum: 70-72 GTO Tempest & LeMans TECH Yesterday, 07:34 AM
Replies: 6
Views: 206
Posted By 'ol Pinion head
534 YC coded Dport 455's went into 1971 GTO's. ...

534 YC coded Dport 455's went into 1971 GTO's.
Have owned two, & parted on three other 71 Dport 455 GTO's. Out of those was another Fremont build with a Sienna interior.

The factory installed ...
Forum: Pontiac - Street Yesterday, 07:04 AM
Replies: 35
Views: 737
Posted By HWYSTR455
Yeah I did one a while back, back when it wasn't...

Yeah I did one a while back, back when it wasn't as common. It is for a 68-72, but still applies:


https://forums.maxperformanceinc.com/forums/showthread.php?t=586470&highlight=4l80e+install

...
Forum: 68-69 GTO Tempest & LeMans TECH Yesterday, 12:42 AM
Replies: 12
Views: 507
Posted By Tuske427
minor update today- I got the frame back on. I...

minor update today- I got the frame back on. I wasn't intending to do this just yet as I was thinking I'd leave it off and install the engine, then reassemble as a unit as the engine was not fun to...
Forum: THE LOBBY 06-01-2024, 10:31 PM
Replies: 592
Views: 42,904
Posted By b-man
A local Porsche dealer has a cars and coffee...

A local Porsche dealer has a cars and coffee event the first Saturday of every month so I took the opportunity to put a few miles on the Le Mans.

There was quite a bit of interest in the Tri-Power...
Forum: THE LOBBY 06-01-2024, 10:30 PM
Replies: 4
Views: 279
Posted By burd
Nice Tempest

Saw this at the Cars Inc show today.
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