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Posts Made By:
Red Box Rebel
Forum:
68-69 GTO Tempest & LeMans TECH
12-28-2023, 10:08 AM
Replies:
8
'68 / '69 Timing Cover Differences?
Views:
649
Posted By
Kenth
On my 1966 GTO i have found that 1968-70 (non-F)...
On my 1966 GTO i have found that 1968-70 (non-F) crank pulley, 1969-70 TC, 1970 WP and 1970 WP pulley are a perfect match to the 1966 PS and Alt. brackets.
Had to change the 1966 3/8" PS pulley to...
Forum:
68-69 GTO Tempest & LeMans TECH
12-28-2023, 09:36 AM
Replies:
8
'68 / '69 Timing Cover Differences?
Views:
649
Posted By
'ol Pinion head
'68-70 Pontiac V8's (exc '70 v8 Firebirds) shared...
'68-70 Pontiac V8's (exc '70 v8 Firebirds) shared the same design crankshaft pulleys.
Water pump pulleys are a different story. The stagger (design of the wp pulley) changed between the '68 8...
Forum:
68-69 GTO Tempest & LeMans TECH
12-27-2023, 11:31 PM
Replies:
8
'68 / '69 Timing Cover Differences?
Views:
649
Posted By
JSuchma
Correct, in 1969 there was a short and long...
Correct, in 1969 there was a short and long version of the 11 bolt pump.
Forum:
68-69 GTO Tempest & LeMans TECH
12-27-2023, 10:40 PM
Replies:
8
'68 / '69 Timing Cover Differences?
Views:
649
Posted By
Greg Reid
Isn't there a long and short snout version of the...
Isn't there a long and short snout version of the 11 bolt water pump?
Forum:
68-69 GTO Tempest & LeMans TECH
12-27-2023, 07:13 PM
Replies:
8
'68 / '69 Timing Cover Differences?
Views:
649
Posted By
Goatracer1
There are several different pulleys and mixing...
There are several different pulleys and mixing them can lead to misalignment issues. The pullies can all be swapped around but besides the pullies there are different mounting brackets for the...
Forum:
61-77 GTO, Tempest & LeMans Parts WANTED
06-25-2023, 05:36 PM
Replies:
10
'68 Endura Bumper Support Brackets L&R 9793307 & 08
Views:
672
Posted By
Scott Thelander
So sorry I have 1 single
So sorry
I have 1 single
Forum:
All other Pontiac parts for sale/wanted
06-03-2023, 08:54 AM
Replies:
6
Wanted 1982 Grand Prix Jack
Views:
813
Posted By
ROCKETMAN269V
1982 Grand Prix Jack
I may have the jack that you're looking for. Got a pic or illustration? Thanks, Bob.
Forum:
61-77 GTO, Tempest & LeMans Parts WANTED
05-29-2023, 01:08 AM
Replies:
10
'68 Endura Bumper Support Brackets L&R 9793307 & 08
Views:
672
Posted By
Scott Thelander
I have a couple Hopefully thrrrs a pair in the...
I have a couple
Hopefully thrrrs a pair in the tub
I will check tomorrow
Scott
Forum:
68-69 GTO Tempest & LeMans TECH
03-28-2023, 12:01 PM
Replies:
5
69 to 68 Ram Air Flapper Door
Views:
1,060
Posted By
gto4evr
I just happened across this older thread where I...
I just happened across this older thread where I posted pics on where the brace cuts were when I added the RA to my 69.
https://forums.maxperformanceinc.com/forums/showthread.php?t=843373
see...
Forum:
68-69 GTO Tempest & LeMans TECH
03-12-2023, 11:17 AM
Replies:
5
68 Horn Button
Views:
1,083
Posted By
Greg Reid
One of the coolest wheel emblems of the era IMHO.
One of the coolest wheel emblems of the era IMHO.
Forum:
68-69 GTO Tempest & LeMans TECH
03-11-2023, 08:00 PM
Replies:
5
69 to 68 Ram Air Flapper Door
Views:
1,060
Posted By
Scott Thelander
with a little under hood trimming
with a little under hood trimming
Forum:
68-69 GTO Tempest & LeMans TECH
10-19-2020, 01:35 AM
Replies:
2
Turn Signal Switch Replacement
Views:
919
Posted By
OG68
For 67/68 columns the upper bearing assembly must...
For 67/68 columns the upper bearing assembly must be removed to replace the signal switch with the connector intact. The screws that you removed to detach the switch also hold the bearing assembly...
Forum:
68-69 GTO Tempest & LeMans TECH
09-09-2020, 02:11 PM
Replies:
20
72cc v. 87cc Heads by Edelbrock
Views:
5,633
Posted By
Baron Von Zeppelin
The actual CR was around 10.25 10.75 was...
The actual CR was around 10.25
10.75 was advertised/approx CR (fluffed a little)
1968 #16 heads are right around 72cc +/-
Forum:
68-69 GTO Tempest & LeMans TECH
09-09-2020, 02:09 PM
Replies:
20
72cc v. 87cc Heads by Edelbrock
Views:
5,633
Posted By
grandam1979
I don’t have part numbers right off hand but I...
I don’t have part numbers right off hand but I believe both 72 and 87
Forum:
68-69 GTO Tempest & LeMans TECH
09-09-2020, 02:03 PM
Replies:
20
72cc v. 87cc Heads by Edelbrock
Views:
5,633
Posted By
Baron Von Zeppelin
I'm not up on the cutting edge of aftermarket...
I'm not up on the cutting edge of aftermarket either.
The old EBrocks had a D-shape , but Round Port flange config.
They (ebrock) do make true D-Port now.
Found an article by RockyRotella...
Forum:
68-69 GTO Tempest & LeMans TECH
09-09-2020, 01:45 PM
Replies:
20
72cc v. 87cc Heads by Edelbrock
Views:
5,633
Posted By
johnta1
Cool. Any part #? CC's? I don't use...
Cool. Any part #? CC's?
I don't use d-ports so not up on them.
:)
Forum:
68-69 GTO Tempest & LeMans TECH
09-09-2020, 01:19 PM
Replies:
20
72cc v. 87cc Heads by Edelbrock
Views:
5,633
Posted By
grandam1979
Edelbrock makes D-port heads also.
Edelbrock makes D-port heads also.
Forum:
68-69 GTO Tempest & LeMans TECH
09-09-2020, 12:42 PM
Replies:
20
72cc v. 87cc Heads by Edelbrock
Views:
5,633
Posted By
johnta1
I think the KRE is the only one to make a d-port...
I think the KRE is the only one to make a d-port aluminum head.
Looked like 64cc, 74 cc and 85 cc chambers.
:)
Forum:
68-69 GTO Tempest & LeMans TECH
09-09-2020, 10:48 AM
Replies:
20
72cc v. 87cc Heads by Edelbrock
Views:
5,633
Posted By
Baron Von Zeppelin
John, is KRE/Kauffman the only ones who make an...
John, is KRE/Kauffman the only ones who make an aluminum head with a true D-Port exhaust arrangement ?
And would you know what size chamber(s) they offer ?
Forum:
68-69 GTO Tempest & LeMans TECH
09-09-2020, 05:58 AM
Replies:
20
72cc v. 87cc Heads by Edelbrock
Views:
5,633
Posted By
johnta1
The e-heads are round port, so need round port...
The e-heads are round port, so need round port exhaust manifolds.
Forum:
68-69 GTO Tempest & LeMans TECH
09-09-2020, 12:52 AM
Replies:
20
72cc v. 87cc Heads by Edelbrock
Views:
5,633
Posted By
Baron Von Zeppelin
Should wait until you have the old heads off and...
Should wait until you have the old heads off and check/test all your parameters.
You can get 91 octane all across the nation.
Some areas have 93 octane. But i would build for 91 octane - or even...
Forum:
68-69 GTO Tempest & LeMans TECH
09-08-2020, 10:39 PM
Replies:
20
72cc v. 87cc Heads by Edelbrock
Views:
5,633
Posted By
mgarblik
Grandam1979 may be more accurate. I just used...
Grandam1979 may be more accurate. I just used the simple calculator from the Wallace site and didn't change any of the basic parameters provided. I think the piston cc's were 6 and the gasket .041...
Forum:
68-69 GTO Tempest & LeMans TECH
09-08-2020, 02:14 PM
Replies:
20
72cc v. 87cc Heads by Edelbrock
Views:
5,633
Posted By
grandam1979
FYI same as above with 87cc head 9.1
FYI same as above with 87cc head 9.1
Forum:
68-69 GTO Tempest & LeMans TECH
09-08-2020, 02:12 PM
Replies:
20
72cc v. 87cc Heads by Edelbrock
Views:
5,633
Posted By
grandam1979
So just for fun I did it again with the block...
So just for fun I did it again with the block .000 piston in hole and a .028 head gasket that’s only 10.52 comp. with a 72cc head.
Forum:
68-69 GTO Tempest & LeMans TECH
09-08-2020, 02:07 PM
Replies:
20
72cc v. 87cc Heads by Edelbrock
Views:
5,633
Posted By
grandam1979
I used Butlers compression calculator I put the...
I used Butlers compression calculator I put the pistons .015 in the bore it’s probably more. I used .035 as the head gasket thickness you could find them less and more. I used 8cc for the piston...
Showing results 1 to 25 of 63
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