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Forum: Pontiac - Street 02-14-2024, 01:31 PM
Replies: 81
Views: 5,017
Posted By Gach
And some people know enough to be dangerous.

And some people know enough to be dangerous.
Forum: Pontiac - Street 02-11-2024, 02:10 PM
Replies: 32
Views: 3,757
Posted By Gach
Old theory….Under the premise that you’ve rebuilt...

Old theory….Under the premise that you’ve rebuilt the top end, added more compression and more cam . Which could add to detonation, the kind you don’t hear, yes it can pound the out bearings. So...
Forum: Pontiac - Street 02-10-2024, 01:03 AM
Replies: 91
Views: 4,334
Posted By Gach
Just as a comparison first picture is un-port...

Just as a comparison first picture is un-port Victor second one fully ported Victor. I was blown away in the difference in hp the ported Victor made over the un-ported one, that was just port matched...
Forum: Pontiac - Street 02-09-2024, 09:35 PM
Replies: 91
Views: 4,334
Posted By Gach
Definitely!

Definitely!
Forum: Pontiac - Street 02-08-2024, 02:32 PM
Replies: 32
Views: 3,757
Posted By Gach
Please don’t want you guys getting wrong idea and...

Please don’t want you guys getting wrong idea and I’m not defending Mike, but he took me up on my offer, and we had better then hours Conversation. At times its hard to determine where a guy is...
Forum: Pontiac - Street 02-06-2024, 10:28 PM
Replies: 78
Views: 4,148
Posted By Gach
I’m not really sure on heat range but my guess...

I’m not really sure on heat range but my guess would be NGK 8. Up to you.
Forum: Pontiac - Street 02-06-2024, 10:27 PM
Replies: 78
Views: 4,148
Posted By Gach
You should really think about going with NGK race...

You should really think about going with NGK race plug much better plug.
Forum: Pontiac - Street 02-04-2024, 01:46 PM
Replies: 264
Views: 16,007
Posted By Gach
With out getting into a whole tutorial, I know...

With out getting into a whole tutorial, I know you think what you have is worth allot of money, Thats never going to happen. I
Forum: Pontiac - Street 01-30-2024, 05:38 PM
Replies: 264
Views: 16,007
Posted By Gach
Do yourself a BIG favor and replace those...

Do yourself a BIG favor and replace those pistons. I know its not cheap, but think about down road having to go through all this again. There’s is so much involved trying to use those piston over. If...
Forum: Pontiac - Street 01-29-2024, 03:35 PM
Replies: 84
Views: 6,535
Posted By Gach
Yep, there’s another video where he takes it to...

Yep, there’s another video where he takes it to get checked out. definitely has a ridge and need to go .060 over. God I’d have that thing mag and cylinders sonic tested before I’d go .060 over. I...
Forum: Pontiac - Street 01-29-2024, 03:44 AM
Replies: 84
Views: 6,535
Posted By Gach
Here’s a good one guy buys 400 for his Firebird...

Here’s a good one guy buys 400 for his Firebird and guess what he finds, broken cracked. Funny thing is the whole crank turns freely but when he goes to take it out, its broken in half.
...
Forum: Pontiac - Street 01-28-2024, 10:50 PM
Replies: 64
Views: 3,249
Posted By Gach
I would always go with round ports, and buy...

I would always go with round ports, and buy headers. D-ports and manifolds are going to be limited. A set of round port heads and a nice Hydraulic cam will make 500 hp, like falling out of a tree....
Forum: Pontiac - Street 01-28-2024, 09:31 PM
Replies: 19
Views: 1,171
Posted By Gach
I would go with 400 block only because of the 3”...

I would go with 400 block only because of the 3” mains and get a stroker crank.
Forum: Pontiac - Street 01-28-2024, 12:46 AM
Replies: 57
Views: 4,635
Posted By Gach
Once I started making more power, above 650 hp....

Once I started making more power, above 650 hp. Back then wasn’t any aftermarket rears available like there is now. Had rear end done to handle the power. Which meant Chrome Molly axle tubes. Welded...
Forum: Pontiac - Street 01-27-2024, 10:25 PM
Replies: 57
Views: 4,635
Posted By Gach
This is even funnier, I talked him into buying...

This is even funnier, I talked him into buying the Judge after he sold his 68 Camaro. Went to Pontiac dealer with him… but I order it, Ram air IV and suspension package. Turbo 400 trans. On the way...
Forum: Pontiac - Street 01-27-2024, 05:43 PM
Replies: 57
Views: 4,635
Posted By Gach
The weakest link in all the Pontiacs where in the...

The weakest link in all the Pontiacs where in the Firebird or GTO has always been 10 bolt rears weather its a 8.2 or 8.5 rear. Here’s what you have to think about. The factory fire birds in GTO‘s...
Forum: Pontiac - Street 01-26-2024, 08:31 PM
Replies: 46
Views: 3,582
Posted By Gach
I agree I know of three people that have used...

I agree I know of three people that have used them and not have issues.
Forum: Pontiac - Street 01-26-2024, 05:27 PM
Replies: 46
Views: 3,582
Posted By Gach
Which hyd lifters did you use

Which hyd lifters did you use
Forum: Pontiac - Street 01-24-2024, 08:59 PM
Replies: 161
Views: 8,820
Posted By Gach
Oh boy that explains a few things valves...

Oh boy that explains a few things valves floating, sure it felt better once that issue was resolved. But definitely 700R4 gearing isn’t helping.
Forum: Pontiac - Street 01-24-2024, 08:54 PM
Replies: 161
Views: 8,820
Posted By Gach
Basically what I’m saying if you over gear first...

Basically what I’m saying if you over gear first and second you’ll experience exactly what your experiencing. Especially with that cam and the Crower 60919 might not be any better, well maybe...
Forum: Pontiac - Street 01-24-2024, 08:45 PM
Replies: 161
Views: 8,820
Posted By Gach
I understand, but definitely changes the way car...

I understand, but definitely changes the way car will feel performance wise.
Forum: Pontiac - Street 01-24-2024, 06:59 PM
Replies: 161
Views: 8,820
Posted By Gach
I’m addressing the carburetor because if you end...

I’m addressing the carburetor because if you end up going with Crower 60619 cam, jetting will still be a issue. From my memory think I ended up with 72’s in front and 76’s in the back. Either way...
Forum: Pontiac - Street 01-24-2024, 06:53 PM
Replies: 161
Views: 8,820
Posted By Gach
See whats in that Holley secondaries for jets....

See whats in that Holley secondaries for jets. You should be around 72’s in the primaries and 76-78’s in secondaries. See whats in there for jetting.
Forum: Pontiac - Street 01-24-2024, 06:46 PM
Replies: 161
Views: 8,820
Posted By Gach
Thats what I have old G-teck. That vacuum...

Thats what I have old G-teck. That vacuum secondary Holly will make it feel like a dog. I’m guessing secondary jetting is off. From what I remember my Buddy with 70 Ram IV Judge, thought it would be...
Forum: Pontiac - Street 01-24-2024, 06:34 PM
Replies: 161
Views: 8,820
Posted By Gach
Wake that thing up with Crower 60916 cam !! LOL

Wake that thing up with Crower 60916 cam !! LOL
Showing results 1 to 25 of 222

 
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