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Search took 0.01 seconds. Search: Posts Made By: doubleClutch
Forum: Pontiac - Street 01-17-2008, 12:17 AM
Replies: 15
Views: 987
Posted By doubleClutch
Sorry if any of these questions seem too simple....

Sorry if any of these questions seem too simple. This is my first Pontiac build, and I have built forced induction cars my whole life. A lot easier to make power when the only thing that matters is...
Forum: Pontiac - Street 01-16-2008, 06:11 PM
Replies: 15
Views: 987
Posted By doubleClutch
I finally got ahold of the guy who sold me the...

I finally got ahold of the guy who sold me the car. Unfourtanetly he does not know about the bottom end, and the person he bought it from doesn't either. All I got was a shop name called Thunderbolt...
Forum: Pontiac - Street 01-16-2008, 02:47 PM
Replies: 15
Views: 987
Posted By doubleClutch
So what is the more cost effective option? Port...

So what is the more cost effective option? Port the heads I have now, or replace them with the older heads. The engine has been rebuilt, but most likely with similar to factory type pistons. I need...
Forum: Pontiac - Street 01-14-2008, 06:57 PM
Replies: 15
Views: 987
Posted By doubleClutch
70KGOLD are you sure I have to change the...

70KGOLD are you sure I have to change the pistons. I am only going to run around 350hp on this block. I can have the timing done by my mechanic, but he will charge big time labor for bottom end work....
Forum: Pontiac - Street 01-14-2008, 03:48 PM
Replies: 15
Views: 987
Posted By doubleClutch
Going from 6x heads to 68 #16 heads

I am switching from 6x heads to #16 heads to up the compression ratio. The Magnum 280H cam wants more compression on the 77 400. How much will I gain on this switch, with a stockish bottom end. I am...
Forum: Pontiac - Street 12-13-2007, 04:59 AM
Replies: 27
Views: 2,519
Posted By doubleClutch
Thanks again for all the help. I have about $2000...

Thanks again for all the help. I have about $2000 more to spend on the build. I have a couple more questions before I complete the build. Sorry again if any these questions are complete noob...
Forum: Pontiac - Street 12-06-2007, 04:33 AM
Replies: 27
Views: 2,519
Posted By doubleClutch
Just wanted to give an update for anyone thinking...

Just wanted to give an update for anyone thinking about the same setup. I found out the rods were hitting the heads, and I switched back to 1.5 roller rockers. Also one of the motor mounts was loose...
Forum: Pontiac - Street 10-31-2007, 03:43 PM
Replies: 27
Views: 2,519
Posted By doubleClutch
I found a reputable shop that would elongate the...

I found a reputable shop that would elongate the push rod holes, replace the valve springs, and tune the timing for about the same price as buying a new cam, lifters, and the labor to install and...
Forum: Pontiac - Street 10-30-2007, 10:04 PM
Replies: 27
Views: 2,519
Posted By doubleClutch
Hey, thanks again for all the replies. The...

Hey, thanks again for all the replies. The mechanic working on my car was very familiar with classics and Chevy's, but I don't think he did any of these adjustments correctly because once he got the...
Forum: Pontiac - Street 10-18-2007, 06:26 PM
Replies: 27
Views: 2,519
Posted By doubleClutch
I answer as of the questions many as I can, as I...

I answer as of the questions many as I can, as I just purchased the car about 3 weeks ago, and the seller has been very unresponsive.
Proform Pontiac HEI Electronic Distributor with MSD wires
Its a...
Forum: Pontiac - Street 10-18-2007, 04:17 PM
Replies: 27
Views: 2,519
Posted By doubleClutch
Magnum Cam, and rough idle

I recently installed a Magnum 280H cam in my 77 400. We built the top end of the car with Rhoades lifters, new push rods, and 1.65 roller rockers. We finally got the car running, and I drove it home...
Forum: 77-81 Firebird & Trans Am TECH 08-29-2007, 09:07 PM
Replies: 11
Views: 694
Posted By doubleClutch
Sorry for all the noob questions, this is my...

Sorry for all the noob questions, this is my first Pontiac (I have done as much searching as I could. I have been at this stump for couple weeks now, and we tore the top end down to get the timing...
Forum: 77-81 Firebird & Trans Am TECH 08-29-2007, 11:50 AM
Replies: 11
Views: 694
Posted By doubleClutch
The first time we installed the cam both #1 and...

The first time we installed the cam both #1 and the bottom gear had the dot at north or 0 degrees. We took the engine back apart, and put the 2nd gear 180 degrees off #1. It seemed like it was still...
Forum: 77-81 Firebird & Trans Am TECH 08-28-2007, 06:12 PM
Replies: 11
Views: 694
Posted By doubleClutch
Wont fire after cam install

I recently purchased a Magnum 280H Hydraulic Flat Tappet Camshaft. I have 1.65 roller rockers, and a 2000 stall. Here are the specs:
Operating Range: 2000-6000 RPM
Duration Advertised: 280° Intake...
Forum: 77-81 Firebird & Trans Am TECH 08-04-2007, 12:50 AM
Replies: 8
Views: 639
Posted By doubleClutch
Heres a pic of the old fender. Thats a trans am...

Heres a pic of the old fender. Thats a trans am LH fender then? The body parts haven't been changed. Special versions of the 1980 firebird didn't have ducts?
Forum: 77-81 Firebird & Trans Am TECH 08-03-2007, 12:39 PM
Replies: 8
Views: 639
Posted By doubleClutch
I also found this site that had a couple. Did...

I also found this site that had a couple. Did only certain models that year come with the air duct? Because it says firebird on the registration, but I read only trans am's had those ducts. Here is...
Forum: 77-81 Firebird & Trans Am TECH 08-03-2007, 09:17 AM
Replies: 8
Views: 639
Posted By doubleClutch
Fender fitting

I am trying to get a LH fender for a 1980 Firebird. The fender has an air duct in it though. The only fenders for 77-81 that have the air duct are the trans am fenders. Will the 77-81 trans am LH...
Forum: 77-81 Firebird & Trans Am TECH 07-06-2007, 03:39 PM
Replies: 6
Views: 490
Posted By doubleClutch
Just got verification that the heads have screw...

Just got verification that the heads have screw in studs. Why was the guy who sold me the car suggest I upgrade to screw in studs for the rockers then? He said the studs back off over time from too...
Forum: 77-81 Firebird & Trans Am TECH 07-06-2007, 11:17 AM
Replies: 6
Views: 490
Posted By doubleClutch
I decided to go with the Comp Cams Magnum Roller...

I decided to go with the Comp Cams Magnum Roller Rocker Arms since they are only about $30 more than buying the studs and nuts seperatly. This package comes with the 7/16" rocker stud, and nuts, and...
Forum: 77-81 Firebird & Trans Am TECH 07-05-2007, 09:39 PM
Replies: 6
Views: 490
Posted By doubleClutch
Screw in studs for Rocker

I have a Pontiac 400 6.6 L (dated 77, block # 500577,y4 samped on front) in a 1980 firebird. I am trying to figure out what size screw in studs and nuts for the rockers I need. Did most of the...
Forum: 77-81 Firebird & Trans Am TECH 06-02-2007, 10:51 PM
Replies: 2
Views: 860
Posted By doubleClutch
dated 77, block # 500577,y4 samped on front. I...

dated 77, block # 500577,y4 samped on front. I know the 577 usually has thin webs, but the guy told me this isn't a firebird block, anyone else got info on the y4 stamp with the 500577.
Forum: 77-81 Firebird & Trans Am TECH 06-02-2007, 08:21 PM
Replies: 2
Views: 860
Posted By doubleClutch
Pontiac V-8 BLOCK code Y4

I am trying to figure which engine this car, and if it actaully has the rated HP that is posted. Here is a link to the car with the engine in it,...
Showing results 1 to 22 of 22

 
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