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Hi,

I put a Holley re-built carb on my 65 coupe w/ 200 CID engine. Now that it is getting hot outside, I'm having trouble keeping the car running when I come up to a stop light. This is only a problem after I've driven it for about ten minutes and got it good and warm.

When the car comes to a stop, it dies. When the rpms are up while driving along, then it shifts and lowers the rpms, the car dies. When I pull in to my driveway, the car dies, when I shiift from park to drive or reverse, the car dies. I've just about had it.

I've adjusted the mixture & timing by ear to no avail. I adjusted the timing with a light and still no luck.

Please give me your advice, I'm about to flip out!

Thanks for your time,
John Thomas

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66 conv pics: http://albums.photopoint.com/j/AlbumIndex?u=525545&a=7533002
 

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Sounds like a choke problem to me, possibly the dreaded "vapor lock" whatever that is

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I had similar problems with my I6 years ago. A mechanic I knew told me that the log type manifolds of the I6 made the engine more susceptible to vapor lock than a v8. I also had trouble restarting after it got warm. Hopefully one of the inliner guys will read you post and offer a more detailed explanation and a solution. Good luck. Nice Car.

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Well, I'm not the most educated I6 mechanic out there.

But I was having a similar problem to yours. Only mine was just idling really rough, it only stalled once or twice.

I ended up doing a rebuild on the carb. I had a bad choke spring that was not openning all the way. I also had a bad float that was flooding the engine with too much gas. (I could not start that thing right after I turned it off for anything. It was always flooded.) Anyway, I got it all sorted out. Mine was all carb related.

Since yours is a rebuilt Holley, Not sure, what type of adapter plate are you using?

You might try posting here:

http://pub41.ezboard.com/bfordsixcylinderperformanceforum

They were a very very valuable source of I6 info....

Jimbo65

65 I6 200 Coupe (Daily Driver)
 

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...Vapor Lock..6's are prone to vapor lock because of the design of the intake..a sure way to tell is next time it stalls pour cold water over the fuel pump and fuel lines..if it starts right up..you got it!..then give some thought to isulating the lines from the hot manifold

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