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I thought I would post this in the event it can help someone else with the same problem. Before modifying my car years ago I replaced all the stock brake components. The car then received a 400 sbc which only produces 10-11 inches of vacuum at idle. The brakes were horrible so I added a Summit...

Hey guys, looking for help tracking down two issues. I have a vibration in the car somewhere that starts around 65mph and becomes more noticeable as the speed increases. Does this sound like a driveshaft? I had the driveshaft balanced a few years ago. Vibration is still present if the car is...

I have two HEI 4 pin ignition modules. One is a stock replacement and the other is a Pertronix Flamethrower. I went to a local auto parts store and had them both tested as my HEI ignition failed and I had no spark with the Pertronix Flamethrower kit installed. After testing them both on the...

Hey Everyone, For quite some time I have been having difficulty tuning my car. Last year I was plagued with ignition problems and carb issues. Now after having solved all the ignition issues with a new distributor, ignition box and coil, carb tuning remains a problem. The biggest issue I...

Hey guys, When I adjust the climate controls in my car there is a strange hissing noise coming from the dash if the temperature is not all the way over to the coldest setting. It doesn't matter what the other setting is whether its a/c, vent, heat, defrost etc. Seems to be related to the temp...

I have an '87 Cutlass. I bought new clips that hold the lower rear window trim in place. I had the car apart for a while and can't remember how they go on, can anybody help me out?

Has anyone successfully hooked up their AC with headers and aftermarket heads? One of the original AC brackets bolted to the manifolds no way I can see it working with the headers. Can't see where the other bracket on the left bolts to the heads to get this all to work? Has anyone come up with a...

Trying to clean up some of the old mess from the factory. I believe these wires were for the cruise control which I no longer use. There is a harness, single ground wire and a vacuum line that all pass through the firewall. Would removing this cause any problems? What is the vacuum line for and...

Before I put the car away for the winter I had a backfire issue causing me grief. Went over a lot of things with no results. I ended up finding it last night, a plug wire burnt on the header. Couldn't see it under the ceramic heat sleeve. Best part is this has happened before. I am going to...

Trying to work the bugs out of my car and get it somewhat tuned. The HEI was dropping spark, and after a failed attempt with a Mallory ignition box I installed a Pertronix Flamethrower upgrade kit. I think I finally got the timing right, where the car seems to run good. I set base timing...

Does anyone know what size the screws are that hold down the ignition module in a GM HEI distributor? Can you use any screw that is the same size or does it have to be brass?

I just finished installing a Mallory Hyfire 6 ignition box on my HEI distributor and went to start the car. It wouldn't start seemed like no spark. I left the ignition key on while I was trying to trouble shoot. Smoke started pouring out from the cap. I cut the power and pulled the cap and rotor...

Just wondering what anyone running these Hooker headers (not ceramic coated) does to prevent the wires from burning up. I just had the #5 ignition wire burn up even with ceramic protector sleeves. These headers don't leave much room for wires they are right on the pipes.

I was on the highway today a noticed a vibration especially once the RPM's climbed to 2500 or beyond in OD. I suspected it may be the lockup torque converter so I stopped and unplugged the wire harness for the lockup. My car was originally a carbed 305 (non CCC) and the lockup function on the...

So a buddy and I installed a 3.73 gear set (new) and a posi I picked up at a swap meet. I don't know if these pictures have enough detail can anyone tell me if this gear mesh looks good? The problem I have now is that going into corners, especially right turns the rear end is making noise like...

Hey guys trying to work some bugs out with the car. I get into high rpm around the 5000 mark and engine starts to cut out. I think it could be starving for fuel but I'm not sure. Could anyone describe what fuel starvation feels like?

Doing some assembly work on the car. It's been 2 years since this car was in one piece I am not sure how the door weatherstripping goes back on properly. I have attached some photos but it seems the two big chunky parts on either end interfere with the windows going up and down. How are these...

I'm trying to get the lower control arms out. I have the rear end removed so I'm good on that end. Where the control is bolted to the frame I was able to get the nut loosened off but the bolt doesn't want to come out of the frame. Are they threaded into the frame? It's hard to get a socket on...

I have an 87 Cutlass. Does anyone know what holds the rear window trim on? The top and side pieces have plastic clips that it snaps on to, does the bottom have anything? Its been 2 years since I took it off for body work I can't remember and don't seem to have any hardware labelled for it.

I have two posi units. As far as I know they are both from a 7.5 10 bolt. They are both 26 spline. What is the difference between them? Which one would you use in your vehicle?