Forum: 70-73 Firebird & TA TECH
06-09-2024, 07:22 PM
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Replies: 420
Views: 104,642
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Forum: 70-73 Firebird & TA TECH
06-08-2024, 08:28 AM
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Replies: 420
Views: 104,642
RAIII Engine Rebuild Time
We finally got the time (and the inspiration) to pull the RAIII 400 out of the Formula. It developed a slight bottom end knock when coming back from the 2022 TA Nationals and been parked since then....
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Forum: THE LOBBY
06-08-2024, 07:49 AM
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Replies: 629
Views: 45,906
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Forum: 67-92 Firebirds & Trans Ams FOR SALE
05-28-2024, 12:49 PM
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Replies: 15
Views: 1,061
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Forum: Pontiac - Street
05-12-2024, 03:00 PM
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Replies: 32
Views: 1,877
Skip,
From what I've seen/read/heard the...
Skip,
From what I've seen/read/heard the maximum flow from high compression small valve (1.96"/1.66") heads from '68 to '70 flow roughly 190/145 cfm; the '68 to '70 large valve D-port head all...
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Forum: Pontiac - Street
05-12-2024, 11:34 AM
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Replies: 32
Views: 1,877
With the untouched 455HO 197 heads (8.60 to 1...
With the untouched 455HO 197 heads (8.60 to 1 SCR)and factory top end (aluminum intake with crossover, 7041263 Q-jet, factory RA exhaust manifolds (with the puny 2.1” outlets) on the same ’70 YH code...
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Forum: Pontiac - Street
05-11-2024, 06:30 PM
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Replies: 32
Views: 1,877
Dan had the 2800 cam sitting on a shelf for...
Dan had the 2800 cam sitting on a shelf for several years and since this was, more or less, a stock style rebuild, he decided to throw it in. The 6X-4 heads are totally stock, except for the new...
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Forum: Pontiac - Street
05-11-2024, 02:02 PM
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Replies: 32
Views: 1,877
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Forum: Pontiac - Street
05-10-2024, 08:43 PM
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Replies: 32
Views: 1,877
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Forum: THE LOBBY
05-10-2024, 08:27 PM
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Replies: 629
Views: 45,906
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Forum: 70-73 Firebird & TA TECH
03-20-2024, 08:33 PM
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Replies: 70
Views: 4,017
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Forum: Pontiac - Street
03-18-2024, 07:31 AM
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Replies: 34
Views: 1,741
Actually, the '79 W72's custom Comp Cam was...
Actually, the '79 W72's custom Comp Cam was ground on a 110 LSA. It made great vacuum and idled very well. The idea was to build cylinder pressure with only 8.1 compression. Here are the specs.
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Forum: Pontiac - Street
03-17-2024, 11:46 AM
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Replies: 34
Views: 1,741
If you're keeping it very close to stock using...
If you're keeping it very close to stock using the original log exhaust manifolds and Y-pipe (or true duals), I wouldn't go with any new HFT cam larger than the 2800 myself. You'll only have very low...
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Forum: Pontiac - Street
03-16-2024, 11:21 AM
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Replies: 34
Views: 1,741
My brother, Dan, rebuilt two different W72 400...
My brother, Dan, rebuilt two different W72 400 engines, a ’78 and a ’79. The ’78 W72 was the original engine in his ’78 WS6 TA which was modified in an earlier life, then removed for an SD-455...
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Forum: 67-69 Firebird TECH
03-14-2024, 01:15 PM
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Replies: 4,274
Views: 711,332
That's right...this car was used in the GTO...
That's right...this car was used in the GTO brochure that was printed in 9-69, and is shown on many of the pages. It doesn't talk about the VOE, but there is a picture of both pull knobs (pg. 10). It...
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Forum: 67-69 Firebird TECH
03-14-2024, 12:23 PM
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Replies: 4,274
Views: 711,332
VOE was removed from the car before they could...
VOE was removed from the car before they could sell it to the public, so not reflected on the PHS's. There is evidence that the VOE pull cable and bracket were there as can be seen by the surface...
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Forum: 67-69 Firebird TECH
03-14-2024, 12:15 PM
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Replies: 4,274
Views: 711,332
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Forum: 67-69 Firebird TECH
03-14-2024, 12:06 PM
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Replies: 4,274
Views: 711,332
BVZ, hopefully these are a little more legible....
BVZ, hopefully these are a little more legible. Looks like 00028, no VOE listed, but Red Line G70's are. I don't see the Formula steering wheel either, but Custom Sport is. It looks like options were...
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Forum: 67-69 Firebird TECH
03-14-2024, 06:54 AM
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Replies: 4,274
Views: 711,332
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Forum: 70-73 Firebird & TA TECH
03-07-2024, 01:22 PM
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Replies: 70
Views: 4,017
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Forum: 70-73 Firebird & TA TECH
03-06-2024, 08:41 PM
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Replies: 70
Views: 4,017
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Forum: 70-73 Firebird & TA TECH
03-06-2024, 08:39 PM
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Replies: 70
Views: 4,017
I'm not real familiar with PMD's reasons for...
I'm not real familiar with PMD's reasons for adding the bracing, but that makes sense to me to strengthen the hood. Here are my '70 Formula's hood which has no bracing and is flat, no bows. 04D Date...
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Forum: 70-73 Firebird & TA TECH
03-06-2024, 08:03 PM
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Replies: 70
Views: 4,017
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Forum: THE LOBBY
02-16-2024, 07:37 PM
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Replies: 44
Views: 4,716
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Forum: Pontiac - Street
02-09-2024, 08:39 PM
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Replies: 44
Views: 3,037
Your ’68 #15 heads are listed at 75 cc chambers...
Your ’68 #15 heads are listed at 75 cc chambers (10.5 advertised compression) and the ’70 #16 heads are listed as having 78 cc chambers (10.0 advertised compression). My #16’s measured 80 cc’s before...
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