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Search: Posts Made By: johnta1
Forum: Pontiac - Street Today, 09:08 AM
Replies: 11
Views: 472
Posted By johnta1
In 1976 they did the rear crank flywheel hub a...

In 1976 they did the rear crank flywheel hub a different size. (but not all)
Seems 1975 could have some different cranks, but definitely 1976 on.
Then the earlier years like 67 and earlier were...
Forum: 70-73 Firebird & TA TECH Yesterday, 09:24 PM
Replies: 10
Views: 222
Posted By johnta1
72 455 HO Formula, NICE! Good to wake them...

72 455 HO Formula, NICE!

Good to wake them up from their slumber.

:)
Forum: Electrical Tech 05-08-2021, 09:32 PM
Replies: 7
Views: 144
Posted By johnta1
Here's your diagram with parts not needed. ...

Here's your diagram with parts not needed.


http://forums.maxperformanceinc.com/forums/attachment.php?attachmentid=566172&stc=1&d=1620523890

That master switch in the pic will need to be on...
Forum: Electrical Tech 05-08-2021, 08:57 PM
Replies: 7
Views: 144
Posted By johnta1
Was this for non-AC? About half of the...

Was this for non-AC?

About half of the wiring is wrong for the heater. Different colors also.
(if for AC)


:confused:
Forum: Electrical Tech 05-08-2021, 08:49 PM
Replies: 7
Views: 144
Posted By johnta1
The wiring harness from the inside control switch...

The wiring harness from the inside control switch goes straight to the blower resistor block on the heater box surround.

Check power at the switch inside at dash, should have 12 volts (or light...
Forum: Other models Pontiac Tech 05-08-2021, 05:53 PM
Replies: 19
Views: 475
Posted By johnta1
I think you can get an adapter to go between the...

I think you can get an adapter to go between the cable and the tranny.

But otherwise just remember to change the mileage for MPG calculations by 21% up/down.

:)
Forum: Electrical Tech 05-08-2021, 05:47 PM
Replies: 7
Views: 144
Posted By johnta1
There is no ambient thingy in the heater wiring. ...

There is no ambient thingy in the heater wiring.
Probably need to use a non-AC wiring diagram.


Here is a wiring diagram.

...
Forum: 64-65 GTO Tempest & LeMans TECH 05-08-2021, 07:35 AM
Replies: 14
Views: 433
Posted By johnta1
Seems to match the PHS sheet: 1e -tinted...

Seems to match the PHS sheet:


1e -tinted glass

2k - AC

2p - back up lamps

2r - rear speaker
Forum: 69-77 Grand Prix TECH 05-06-2021, 08:16 PM
Replies: 1
Views: 84
Posted By johnta1
I don't have any specific data on that, but there...

I don't have any specific data on that, but there were 13,560 455 engines in GP. (no designation of which ones)

There were 9398 SJ GP's made.

So, if one figures all the SJ's were 455's (no clue...
Forum: Pontiac - Race 05-06-2021, 02:34 PM
Replies: 57
Views: 1,384
Posted By johnta1
Here's a previous link on head cooling: Head...

Here's a previous link on head cooling:

Head Cooling (http://forums.maxperformanceinc.com/forums/showthread.php?t=583733&page=2)

Post #35 has some pics that may work?

:)
Forum: Pontiac - Street 05-06-2021, 06:44 AM
Replies: 117
Views: 5,265
Posted By johnta1
The fuel pump eccentric is not seated on the cam...

The fuel pump eccentric is not seated on the cam snout.
The cam should stick out of the timing gear, then the eccentric hole will fit over the cam snout, with the tab going in that little hole on...
Forum: Pontiac - Street 05-05-2021, 07:52 AM
Replies: 73
Views: 2,315
Posted By johnta1
Here's a link to another chart Dragstuff...

Here's a link to another chart

Dragstuff sparkplug chart (https://www.dragstuff.com/techarticles/spark-plug-cross-reference.html)

:)
Forum: Pontiac - Street 05-05-2021, 07:23 AM
Replies: 73
Views: 2,315
Posted By johnta1
Here is a chart that I usually use, not sure how...

Here is a chart that I usually use, not sure how current it is.
It doesn't explain the R5671 type plugs though, haven't found anything on decoding them.

The lower section has the iridium etc...
Forum: 74-76 Firebird & TA TECH 05-03-2021, 08:55 PM
Replies: 61
Views: 2,966
Posted By johnta1
Congrats, Rocky! Looks like it belongs there. ...

Congrats, Rocky!
Looks like it belongs there.


:)
Forum: 74-76 Firebird & TA TECH 05-03-2021, 05:33 PM
Replies: 61
Views: 2,966
Posted By johnta1
Your home? :D

Your home?


:D
Forum: Pontiac - Race 05-03-2021, 05:35 AM
Replies: 17
Views: 732
Posted By johnta1
WOW! That is awesome. Congrats! :)

WOW!
That is awesome. Congrats!


:)
Forum: THE LOBBY 05-02-2021, 09:03 PM
Replies: 32
Views: 2,414
Posted By johnta1
Cool! Need some new pics! :)

Cool!

Need some new pics!

:)
Forum: Electrical Tech 05-02-2021, 08:57 PM
Replies: 10
Views: 346
Posted By johnta1
Might check the grounds under the dash. (and all...

Might check the grounds under the dash. (and all grounds)
There has been cases of the brake pedal/brackets providing a ground because the dash used it instead of going through it's ground.
(least...
Forum: Pontiac - Street 05-02-2021, 08:51 PM
Replies: 25
Views: 1,135
Posted By johnta1
What is the build date of your GTO? The...

What is the build date of your GTO?

The heads have a June 6 1969 date, could be 1969 heads.

Maybe try taking a piece of paper and do a rub with a pencil to see if it shows anything?
...
Forum: Electrical Tech 05-02-2021, 05:51 AM
Replies: 10
Views: 346
Posted By johnta1
Where is the power for the flasher coming from? ...

Where is the power for the flasher coming from?

I'd check the neutral safety switch wiring, and see if it has power before the switch? Maybe applying the brakes is making the neutral switch...
Forum: Electrical Tech 05-01-2021, 07:48 PM
Replies: 3
Views: 172
Posted By johnta1
Yes. The horn is also the buzzer. And there is a...

Yes. The horn is also the buzzer. And there is a ground in the circuit being connected somewhere.


:confused:
Forum: Pontiac - Race 05-01-2021, 07:46 PM
Replies: 67
Views: 3,671
Posted By johnta1
Nope, read it again? No lifters on that shaft. ...

Nope, read it again?
No lifters on that shaft.
No pushrods to those missing lifters either.


I knew the shaft was needed to run the oil pump and distributor, just has no lobes for any...
Forum: Electrical Tech 05-01-2021, 06:10 PM
Replies: 3
Views: 172
Posted By johnta1
Is the door open when the horn blows? ...

Is the door open when the horn blows?

:confused:
Forum: Pontiac - Race 05-01-2021, 06:06 PM
Replies: 67
Views: 3,671
Posted By johnta1
I guess I should have worded it differently, no...

I guess I should have worded it differently, no Useable camshaft in the factory location that used lifters and pushrods.



:rolleyes:
Forum: Pontiac - Race 04-30-2021, 09:06 PM
Replies: 67
Views: 3,671
Posted By johnta1
The DOHC block didn't need a cam in the middle of...

The DOHC block didn't need a cam in the middle of block, so the lifter area was solid across.
(probably didn't need a lifter valley pan either)

Probably no splitting that block.

:)
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