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Forum: 70-73 Firebird & TA TECH Yesterday, 01:16 PM
Replies: 433
Views: 105,141
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: Pontiac - Street 06-17-2024, 04:18 PM
Replies: 6
Views: 186
Posted By form74
Issue fixed bracket worked Thanks Paul

Issue fixed bracket worked

Thanks Paul
Forum: 70-73 Firebird & TA TECH 06-17-2024, 01:33 PM
Replies: 4
Views: 152
Posted By 'ol Pinion head
70 Pontiac F-body V8 pulleys & brackets are of a...

70 Pontiac F-body V8 pulleys & brackets are of a different design than '70 Pontiac A-B-G series pieces.

Besides the difference in offsets, the '70 V8 Bird 2 groove crank pulleys are VERY similar...
Forum: Suspension TECH 06-17-2024, 12:49 PM
Replies: 17
Views: 1,013
Posted By Verdoro 68
I'm running Bilsteins.

I'm running Bilsteins.
Forum: Pontiac - Street 06-16-2024, 10:48 AM
Replies: 29
Views: 607
Posted By Shiny
I'm pretty sure an inverted flare fitting has...

I'm pretty sure an inverted flare fitting has straight threads. It appears your flare seat is damaged and the threads are stripped, correct?

You are proposing a tapered male pipe fitting,...
Forum: Electrical Tech 06-15-2024, 07:04 PM
Replies: 5
Views: 123
Posted By mgarblik
If your not concerned with it looking exactly OE....

If your not concerned with it looking exactly OE. I have some Christmas tree fasteners with a zip tie built into it. They should go in the same holes. I can send you some for a couple bucks and...
Forum: Pontiac - Race 06-14-2024, 08:09 PM
Replies: 124
Views: 12,744
Posted By Tim Corcoran
Always make sure you verify you have enough...

Always make sure you verify you have enough clearance between the piston and the valve. With head gasket installed and head torqued, not full torque but you should at least partially crush the head...
Forum: Pontiac - Street 06-13-2024, 12:48 PM
Replies: 20
Views: 532
Posted By Sirrotica
FWIW, I've run automatics, and 4 speeds on an...

FWIW, I've run automatics, and 4 speeds on an autocross course, there's no advantage to run a 4 speed over an automatic. I've beaten every 4 speed car in my class (SCCA, C prepared) to win the title...
Forum: Pontiac - Street 06-13-2024, 12:02 PM
Replies: 20
Views: 532
Posted By JLMounce
Autocross with an auto is not really a big deal. ...

Autocross with an auto is not really a big deal. Most cars are in 2nd for the whole run. Road courses are a different story of course.

And yes the US shift controller has the ability to store 4...
Forum: Pontiac - Street 06-13-2024, 05:40 AM
Replies: 12
Views: 407
Posted By Cliff R
Couple of things to mention. IF you install...

Couple of things to mention.

IF you install a new SI style alternator make sure that the battery is FULLY charged. If you don't it goes to full charge and works the piss out of the regulator and...
Forum: Pontiac - Street 06-13-2024, 03:50 AM
Replies: 12
Views: 407
Posted By Schurkey
Your battery-to-starter cable is 8-gauge? Not 4-...

Your battery-to-starter cable is 8-gauge? Not 4- or maybe 2-gauge?



There's at least two ways. The popular way--posted on "famous electrical guy" web-site, will work...but he's screwed-up the...
Forum: Pontiac - Street 06-12-2024, 04:30 PM
Replies: 23
Views: 938
Posted By tom s
I prefer lobe lift,if you have 1.5s the whole...

I prefer lobe lift,if you have 1.5s the whole world is open too you for more valve lift.Tom
Forum: Pontiac - Street 06-12-2024, 04:05 PM
Replies: 23
Views: 938
Posted By Dragncar
I have always had the opinion that as far as...

I have always had the opinion that as far as valve train stress you are better off getting lift with the cam and not the rocker arms.
Its cheaper too if you already have the 1.5 rockers and not the...
Forum: Pontiac - Street 06-11-2024, 11:03 PM
Replies: 43
Views: 1,335
Posted By Tim Corcoran
I have to ask, did you use the same machinist...

I have to ask, did you use the same machinist each time you rebuilt the engine? Gapless rings are a little finicky I know I have used them in the past. They need a special finish to work correctly....
Forum: Pontiac - Street 06-09-2024, 06:27 PM
Replies: 36
Views: 1,037
Posted By geeteeohguy
FWIW, I ran an Edelbrock water injection set-up...

FWIW, I ran an Edelbrock water injection set-up on my '67 GTO in the late 1980's when I had stock compression and it didn't really help. This was in dry and arid conditions. I ended up installing...
Forum: Pontiac - Street 05-30-2024, 01:16 PM
Replies: 17
Views: 859
Posted By android 211
I think he's on this site, 'Monzazz' who rebuilds...

I think he's on this site, 'Monzazz' who rebuilds rears. He has Olds posi units made by Yukon. He's got the lesser common odd parts. He rebuilds the GM cone style rears. I have two Pontiac 10...
Forum: Pontiac - Race 05-25-2024, 11:08 PM
Replies: 124
Views: 12,744
Posted By Tim Corcoran
More photos

More photos
Forum: Pontiac - Race 05-25-2024, 11:06 PM
Replies: 124
Views: 12,744
Posted By Tim Corcoran
After file fitting the rings I moved on to...

After file fitting the rings I moved on to hanging the pistons on the rods and installing the rods and pistons into the engine. An important item to be extra careful with. The rods have a chamfer on...
Forum: Pontiac - Race 05-24-2024, 12:21 PM
Replies: 124
Views: 12,744
Posted By Tim Corcoran
I have been out of the country on a long term...

I have been out of the country on a long term business trip and now getting back to finishing this engine up. I am currently file fitting the rings. I have Total Seal classic style rings. The...
Forum: Interior TECH 05-14-2024, 02:11 PM
Replies: 13
Views: 712
Posted By bill ryder
Ssnake Oyl seat belt restoration. They will come...

Ssnake Oyl seat belt restoration. They will come back perfect. 800 284 7777

"Bill"!
Forum: Pontiac - Street 05-12-2024, 03:00 PM
Replies: 32
Views: 1,907
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
Views: 1,907
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
Views: 1,907
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
Views: 1,907
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, 07:28 PM
Replies: 20
Views: 822
Posted By Verdoro 68
The new driveshaft fits perfect. I don't think...

The new driveshaft fits perfect. I don't think there's any risk of breaking this beast! Plenty of room around the x-pipe. It is heavy though. I kind of wish I asked about aluminum.
...
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