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PY Online Forums - Bringing the Pontiac Hobby Together
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Posts Made By:
SD455DJ
Forum:
70-73 Firebird & TA TECH
06-18-2024, 05:01 PM
Replies:
444
1970 Formula
Views:
105,691
Posted By
SD455DJ
Hey Craig! We've taken many 400 blocks to .030...
Hey Craig! We've taken many 400 blocks to .030 and .040 over without problems...maybe a block or 2 to .060 over without issue either. These were all earlier pre-557 block castings. If you need to go...
Forum:
70-73 Firebird & TA TECH
06-18-2024, 01:16 PM
Replies:
444
1970 Formula
Views:
105,691
Posted By
SD455DJ
The tops of the pistons look fine, just carboned...
The tops of the pistons look fine, just carboned up a bit. All the ring lands are whole, nothing broken to the naked eye...so far. I don't think that it experienced much, if any, detonation since...
Forum:
70-73 Firebird & TA TECH
06-18-2024, 12:57 PM
Replies:
3
Correct pulley color and power steering pump paint color 1970-1973 T/A
Views:
126
Posted By
SD455DJ
Agreed with 78w72. Dennis
Agreed with 78w72.
Dennis
Forum:
70-73 Firebird & TA TECH
06-18-2024, 07:59 AM
Replies:
444
1970 Formula
Views:
105,691
Posted By
SD455DJ
Mike & John, Nope, no audible detonation and...
Mike & John, Nope, no audible detonation and nothing on the plugs (molten aluminum). Now, I did drive it gently the only trip it went on (to the 2021 TA Nats...maybe 700 miles round trip). The soft...
Forum:
70-73 Firebird & TA TECH
06-17-2024, 07:57 PM
Replies:
444
1970 Formula
Views:
105,691
Posted By
SD455DJ
RAIII Rebuild Update
Dan tore down the YZ RAIII engine today and found it to be very clean inside from excellent care the past 54 years and that it had never been opened up before. It had factory intake manifold gaskets,...
Forum:
70-73 Firebird & TA TECH
06-09-2024, 07:22 PM
Replies:
444
1970 Formula
Views:
105,691
Posted By
SD455DJ
Part 2 of the engine swap was completed today. We...
Part 2 of the engine swap was completed today. We started the morning (8:00 am) by priming the oil system, pulling all the spark plugs and performing a cylinder pressure test (all were 175 – 185 psi...
Forum:
70-73 Firebird & TA TECH
06-08-2024, 08:28 AM
Replies:
444
1970 Formula
Views:
105,691
Posted By
SD455DJ
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....
Forum:
THE LOBBY
06-08-2024, 07:49 AM
Replies:
663
What did you do with your Pontiac today?
Views:
48,765
Posted By
SD455DJ
We did the same thing...pulled the RAIII out of...
We did the same thing...pulled the RAIII out of the Formula yesterday to start the rebuild with a temporary engine going in tomorrow.
Dennis
Forum:
67-92 Firebirds & Trans Ams FOR SALE
05-28-2024, 12:49 PM
Replies:
15
Beautiful 1970 Pontiac Firebird for sale.
Views:
1,223
Posted By
SD455DJ
Looks wrong enough to make me suspicious (letters...
Looks wrong enough to make me suspicious (letters too far apart) and no EUN. Where is the PHS? It is not a restoration, but rather, a repaint, fluff, and cleaning.
Dennis
Forum:
Pontiac - Street
05-12-2024, 03:00 PM
Replies:
32
Recipe for a reliable 400 driver
Views:
1,922
Posted By
SD455DJ
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...
Forum:
Pontiac - Street
05-12-2024, 11:34 AM
Replies:
32
Recipe for a reliable 400 driver
Views:
1,922
Posted By
SD455DJ
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...
Forum:
Pontiac - Street
05-11-2024, 06:30 PM
Replies:
32
Recipe for a reliable 400 driver
Views:
1,922
Posted By
SD455DJ
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...
Forum:
Pontiac - Street
05-11-2024, 02:02 PM
Replies:
32
Recipe for a reliable 400 driver
Views:
1,922
Posted By
SD455DJ
Joe-Touring, Dan has rebuilt 2-W72 400's and they...
Joe-Touring, Dan has rebuilt 2-W72 400's and they both made the most power on the dyno with 42 degrees total timing...pulls with 40 and 44 total lost minor power. The large chambers and low...
Forum:
Pontiac - Street
05-10-2024, 08:43 PM
Replies:
32
Recipe for a reliable 400 driver
Views:
1,922
Posted By
SD455DJ
Here is a 400 build with the good ol' Summit 2800...
Here is a 400 build with the good ol' Summit 2800 cam.
"Dan had a good dyno session today with the W72 400. Dan rebuilt the original numbers matching engine with .040" over Icon forged pistons...
Forum:
THE LOBBY
05-10-2024, 08:27 PM
Replies:
663
What did you do with your Pontiac today?
Views:
48,765
Posted By
SD455DJ
I drove the ’70 Tempest to the F.A.S.T. Race at...
I drove the ’70 Tempest to the F.A.S.T. Race at Martin US-131 Motorsports Park today 65 miles there, raced it, then drive back home. The last time I drove to a track and raced a car (my ’70 RAIV...
Forum:
70-73 Firebird & TA TECH
03-20-2024, 08:33 PM
Replies:
70
ram air hood
Views:
4,153
Posted By
SD455DJ
I certainly would use the good RA hood you have...
I certainly would use the good RA hood you have for your Formula. Who cares if it's technically correct for a '71/'72 Bird. None of my cars are concours show cars and they all have 'incorrect'...
Forum:
Pontiac - Street
03-18-2024, 07:31 AM
Replies:
34
‘79 W72 Y84 4-Speed New Cam Search
Views:
1,772
Posted By
SD455DJ
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.
...
Forum:
Pontiac - Street
03-17-2024, 11:46 AM
Replies:
34
‘79 W72 Y84 4-Speed New Cam Search
Views:
1,772
Posted By
SD455DJ
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...
Forum:
Pontiac - Street
03-16-2024, 11:21 AM
Replies:
34
‘79 W72 Y84 4-Speed New Cam Search
Views:
1,772
Posted By
SD455DJ
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...
Forum:
67-69 Firebird TECH
03-14-2024, 01:15 PM
Replies:
4,301
eBay sightings
Views:
717,315
Posted By
SD455DJ
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...
Forum:
67-69 Firebird TECH
03-14-2024, 12:23 PM
Replies:
4,301
eBay sightings
Views:
717,315
Posted By
SD455DJ
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...
Forum:
67-69 Firebird TECH
03-14-2024, 12:15 PM
Replies:
4,301
eBay sightings
Views:
717,315
Posted By
SD455DJ
Here is the Trim Tag for the GTO prior to its...
Here is the Trim Tag for the GTO prior to its restoration...at MCACN 2019...05C build date & Body 001
Dennis
Forum:
67-69 Firebird TECH
03-14-2024, 12:06 PM
Replies:
4,301
eBay sightings
Views:
717,315
Posted By
SD455DJ
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...
Forum:
67-69 Firebird TECH
03-14-2024, 06:54 AM
Replies:
4,301
eBay sightings
Views:
717,315
Posted By
SD455DJ
They displayed the 4 invoices at the 2021 MCACN...
They displayed the 4 invoices at the 2021 MCACN with the car. I just happened to find at these a couple days ago looking for something else...good timing!
Dennis
Forum:
70-73 Firebird & TA TECH
03-07-2024, 01:22 PM
Replies:
70
ram air hood
Views:
4,153
Posted By
SD455DJ
The '71 Formula hood had the AO Smith (Ionia, MI)...
The '71 Formula hood had the AO Smith (Ionia, MI) label on it. I haven't looked for any on the '70's hood yet, but I imagine it too is an AO Smith product.
Dennis
Showing results 1 to 25 of 307
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