Holley Help Needed
OK cool.
I myself would use performer. But give them both a shot. It can't hurt and well, lets face it, fun.
Again I only have the 600 Vac Holley for now but will upgrade soon I was thinking that I would start with changing the 63 jet to 67 & see if that helps yesterdays test run the car seemed to lack top end just wouldn't rev up quickly...
The carb cfm size is fine. The engine isn't going to gobble down air like crazy. It'll do for now.
Also what timing would you recommend I setit at 10 BTDC at the moment & it seems to start & run fine no run on or pinging
Is the distributor a MoPar Performance unit that has an adjustable vacuum advance unit on the side?
I think another 5* would be a better starting point. Vacuum hose off when you set it up. Leave it off for a run down the track. If it pings, back it off alittle.
Now that will be intail timing plus mechanical advance timing only. On the next run, hook up the vacuum hose and see if it pings when you go down the track. IF it pings, back down the timing.If you can adjust it.
IF not, you'll need MoPars quick advance springs for the distributor. This will allow for good intail timing and a quick mechanical advance. You'll need to limit your vacuum advance one way or another. IF it is the MoPar distributor, the 5/16 *I Think it is* allen key will be used to limit the advance or you'll have a stock distibutor and have to retard the timing to avoid a pinging problem.