The timing is off. You need to readjust the timing. Once a engine gets hot, and its not timed properly it will be hard to turn over. Oh it very well may start but it will resist. Try setting the timing to factory spec. If that doesn't work try retarding or advancing until you reach the sweet spot. Thats the spot where the starting of and running of the motor is one.

The fact that you replaced the Distributor was the clue I was looking for.

 

I agree, and thanks for the input. However, this is a brand new carb that is a brand new carb that has been bench tested and calibrated by Holley. That is certainly not to say that it couldn't be out of whack because we know how those things go. That said, I've always had the Holleys run at least pretty good right out of the box.

Before I get into the carb, I have to have a better handle on my timing. I'm running a reverse rotation water pump and serpentine belt setup so I had to relocate the timing marks to the right side of the engine. I'm going to recheck that and make sure I didn't screw that up first. [:-]

Thanks again for the input.

 

Putty is right

 

Be careful with the clear fuel filter if its glass..they are notorious for leaking/breaking.

 

Could be any or all. I had one that did it... I did the carb spacer... didn't help. Did the timing..didn't help. I finally replaced my starter with a smaller mini-starter to get it away from the headman long tube headers. That finally fixed it.

 

JamesW Man that is one fantastic looking car!

 

FWIW, mine was not difficult to turn over when hot, it just was harder to fire up and hold idle.

If the timing is advanced too far, a starter will appear to be dying or a weak battery because the engine is firing too early and trying to turn the engine the reverse direction. BTDT.

 

Thank you......

I've got a love-hate relationship with it*S*

 

Sorry to rehash this topic, but...
mustangman68302, what did you end up doing? I have the same problem and was curious to know if you've resolved it and how.

thanks,
Indy