Carb Spacers?

[Todd and Son]

Thanks Steven,

I pretty well got that from the threads. I just hate being lost of this stuff. Lots of things I wish I knew before getting this far into it. I don't like not knowing what is going on/into my car, but I only have a limited time to get it up and done before my son turns 16 and didn't want a lot of last minute rush stuff. What I really wish I had was the number to the guy that had the car before the guy I bought it off of. He was the one that made all the modifications and would be able to tell me what gears is the rear end and some of that info, but if wishes were fishes I would have a lot of cars around my house.

I will pick up a 2 inch 4 hole spacer and see if that fits under the hood and start with that.

Thanks again,
T

[Steven Harris]

Sounds great Todd.

A quick way to check your rear differential ratio is to rotate the rear wheel and see how many times the pinon rotates. Your ratio is that relation.

If you have a locking differential both wheels will need to be elevated. It it is an open differential then one wheel will need to be blocked to get an accurate number.

[Mustangmike]

Hey Todd,

I apologize but l seem to have lost the reason behind why you are installing a carb spacer. Like I mentioned, I installed a only 1/2" spacer to eliminate a hot start issue with my car.

A two inch spacer is pretty big and the 750 double pumper is a huge carb for the street and the 282 Comp cam sounds like a big lift/long duration cam for Street/Strip applications. I found this on Youtube. The car has the 282 Comp cam with 10.8 compression most likely has a 302. It sounds real nice but there is a lot of motor there.

http://www.youtube.com/watch?v=oZSIYZSTOs0

Just from my own experience, I have downsized my carb from a 650 to 600 and it seems much more responsive and runs leaner. But you really need to match your carb, with your cam and heads to achieve optimal results.

If you decide to go with a 2 inch spacer and the car has a factory hood just be very careful when you shut your hood for the first time.

And like Steve said, you can determine your gear ratio reasonably close by turning the wheel one revolution and counting the number of times the pinion gear turns. Just mark the yoke and the tire so it is easier to count the turns

I know your excited to get the car done for your son, but don't put so much pressure on yourself. It will all work out in the end and you have already learned a lot so far.

[Todd and Son]

Hey Mike

I don't have a reason why I was going to put one on aside from friends saying it would run better because the carb was on the upper edge of size for my motor. The extra space would allow for the fuel and air to mix better. I have no problems since I have yet to have the motor running on all cylinders. It was running on 6 when I got the car.

[Mustangmike]

When you are ready to start work on the motor, I would first try getting the motor hitting on all 8 before worrying about putting on a carb spacer. The theory is pretty simple. If you have spark then its a fuel (carb) issue and if you have no spark it's an ignition problem. Second, I know Holley carbs tend to require more attention and need more adjustments that is why I prefer the Edelbrock carbs. Very user friendly and easy to adjust and/or rebuild.

Keep us updated.