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Search took 0.01 seconds. Search: Posts Made By: Brock1030
Forum: Pontiac - Street 03-17-2024, 04:10 PM
Replies: 34
Views: 1,387
Posted By Brock1030
Excellent info, Steve - thank you! Choosing...

Excellent info, Steve - thank you!

Choosing the cam for the power - relative with these low compression 400’s, I know - but would like some idea of idle, mindful the exhaust note dependent of the...
Forum: Pontiac - Street 03-17-2024, 01:08 PM
Replies: 34
Views: 1,387
Posted By Brock1030
Thanks so much for all the responses. This W72 is...

Thanks so much for all the responses. This W72 is 4-speed is all stock, including the intake. As for the exhaust, using the stock exhaust manifolds, but then the 2.5” stainless Pypes X-pipe, along...
Forum: Pontiac - Street 03-16-2024, 06:40 PM
Replies: 34
Views: 1,387
Posted By Brock1030
Dennis, Thank you for that history -...

Dennis,

Thank you for that history - interesting real world examples! Fascinating too about the “402” recreation vs. the Summit 2800. Seems that the Crower is good too, but apparently runs out of...
Forum: Pontiac - Street 03-16-2024, 03:54 PM
Replies: 34
Views: 1,387
Posted By Brock1030
Steve25, Thanks so much for your...

Steve25,

Thanks so much for your suggestions. My car is all stock and that gearing for the stock 4-speed transmission is 3:23.

The car does have A/C.

Not trying to make the car more than...
Forum: Pontiac - Street 03-16-2024, 03:16 PM
Replies: 34
Views: 1,387
Posted By Brock1030
Steve C. - thanks so much for the article, very...

Steve C. - thanks so much for the article, very helpful!
Forum: Pontiac - Street 03-15-2024, 08:19 PM
Replies: 34
Views: 1,387
Posted By Brock1030
‘79 W72 Y84 4-Speed New Cam Search

In progress with re-build on a stock W72 and want to keep it close to that with the refresh. Have read all, if not almost all, of the threads on the plethora of cam choices. Heard the videos...
Forum: 77-81 Firebird & Trans Am TECH 03-15-2024, 01:00 PM
Replies: 5
Views: 385
Posted By Brock1030
Thanks for those great vids, 78w72! Had seen...

Thanks for those great vids, 78w72! Had seen those on line, but great to hear again.

Cliff has been very generously already advising after my inquiry to him. He is encouraging the Crower 60240,...
Forum: 77-81 Firebird & Trans Am TECH 03-15-2024, 11:55 AM
Replies: 5
Views: 385
Posted By Brock1030
Thanks so much 78w72. Yes, all stock, though will...

Thanks so much 78w72. Yes, all stock, though will use Icon forged pistons and likely Eagle forged H-beam connecting rods. Mindful of the struggles these days with lifters, found a vintage set (likely...
Forum: 77-81 Firebird & Trans Am TECH 03-14-2024, 11:30 PM
Replies: 5
Views: 385
Posted By Brock1030
79 W72 Y84 4-speed New Cam

In progress with re-build on a stock W72 and want to keep it close to that with the refresh. Have read all, if not almost all, of the threads on the plethora of cam choices. Heard the videos...
Forum: 67-81 Firebird & TA Parts WANTED 05-17-2023, 09:49 AM
Replies: 6
Views: 932
Posted By Brock1030
Yes, you can generally clean up the old EFE ‘til...

Yes, you can generally clean up the old EFE ‘til a better one comes along. FYI - attached is a pic showing the difference between a NOS EFE for an auto transmission car and the mirror image for a...
Forum: 67-81 Firebird & TA Parts WANTED 05-16-2023, 09:47 PM
Replies: 6
Views: 932
Posted By Brock1030
Hi Joe. Yes, above the EFE there is a small...

Hi Joe.

Yes, above the EFE there is a small maybe one or two inch length of heat resistant rubber tubing (reddish/orange in color) which then connects to the stainless metal tube.

The...
Forum: 77-81 Firebird & Trans Am TECH 04-24-2023, 09:02 PM
Replies: 19
Views: 699
Posted By Brock1030
Great connection! Checked my build sheet list of...

Great connection! Checked my build sheet list of options and sure enough, the K81 option! Thus, “WP” in Box 31 equals the 63A 1102908 alternator. Thanks so much!
Forum: 77-81 Firebird & Trans Am TECH 04-24-2023, 06:34 PM
Replies: 19
Views: 699
Posted By Brock1030
Where is the reference to “WP?” Kindly advise.

Where is the reference to “WP?” Kindly advise.
Forum: 77-81 Firebird & Trans Am TECH 04-24-2023, 06:11 PM
Replies: 19
Views: 699
Posted By Brock1030
Excellent HFR! The build sheet code in box 31 is...

Excellent HFR! The build sheet code in box 31 is “WP” so this confirms it for my car: the correct alternator is indeed 1102908. Thanks so much!
Forum: 77-81 Firebird & Trans Am TECH 04-24-2023, 05:34 PM
Replies: 19
Views: 699
Posted By Brock1030
Glad to assist!

Glad to assist!
Forum: 77-81 Firebird & Trans Am TECH 04-24-2023, 05:16 PM
Replies: 19
Views: 699
Posted By Brock1030
Correction on my car - it’s actually a 5th week...

Correction on my car - it’s actually a 5th week of November 1978 build - serial 131357. Found a late October 1978 build alternator, which places it at about 4 weeks between alternator build date and...
Forum: 77-81 Firebird & Trans Am TECH 04-24-2023, 03:14 PM
Replies: 19
Views: 699
Posted By Brock1030
Excellent data, ‘oPH - thank you! When in doubt,...

Excellent data, ‘oPH - thank you! When in doubt, look for other vehicles produced around the time of your own as sound leads.

As far as date coding, for a 4th week of November 1978 car build,...
Forum: 77-81 Firebird & Trans Am TECH 04-24-2023, 02:54 PM
Replies: 19
Views: 699
Posted By Brock1030
Are those part numbers successive, in that the...

Are those part numbers successive, in that the lower nos could be used in earlier builds?
Forum: 77-81 Firebird & Trans Am TECH 04-24-2023, 01:33 PM
Replies: 19
Views: 699
Posted By Brock1030
Yes, thank you, as I knew there must have been...

Yes, thank you, as I knew there must have been some system. Amazing though that given how many cars were produced, no resource seems to be extent to de-code these alphabetical references to the...
Forum: 77-81 Firebird & Trans Am TECH 04-24-2023, 12:24 PM
Replies: 19
Views: 699
Posted By Brock1030
Build Sheet Coding to Part Numbers

After a related thread sparked my thoughts on how the build sheet codes translate into part numbers, what is the resource that does that code translation for alternators?

The build sheet for my...
Forum: 77-81 Firebird & Trans Am TECH 04-23-2023, 02:21 PM
Replies: 18
Views: 1,237
Posted By Brock1030
Did some research a couple years back and the...

Did some research a couple years back and the number I found for a 1979 W72 is a 63a unit, part number 1105360. Will have to go back and check source…
Forum: 77-81 Firebird & Trans Am TECH 04-05-2023, 12:57 PM
Replies: 19
Views: 1,421
Posted By Brock1030
Similiar experience with PG - very well intention...

Similiar experience with PG - very well intention staff and helpful, but product is unfortunately rather inconsistent.

Looking for a new option, I tried and had very consistent quality and...
Forum: 77-81 Firebird & Trans Am TECH 03-09-2023, 10:53 PM
Replies: 7
Views: 932
Posted By Brock1030
Update: the subframe bolts that go into the body...

Update: the subframe bolts that go into the body are indeed 5/8 x 4 and not 9/16 x 4, as I had seen on several sites. I did save the old ones, but did not check them, as they could easily have been...
Forum: 77-81 Firebird & Trans Am TECH 03-09-2023, 12:51 PM
Replies: 7
Views: 932
Posted By Brock1030
Thanks so much for the responses. If they are...

Thanks so much for the responses. If they are 5/8, that would explain why the 9/16 that I tried is not tightening. Will get out there this afternoon and check further, so we can confirm. Will report...
Forum: 77-81 Firebird & Trans Am TECH 03-09-2023, 09:22 AM
Replies: 7
Views: 932
Posted By Brock1030
Thanks so much for your reply, Don and good news...

Thanks so much for your reply, Don and good news on the metric sizing. Do not recall if I have the originals, as this was part of a frame off resto with tear down about a year and a half ago. Good...
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