A month or so ago there was a long thread on vapor lock, which I really
didn't follow much at the time because I had never experienced it. Not
really sure if that's what's happening now, but it sure seems to meet
the symptoms mentioned. I've got a '68 U20 with SUs and stock fuel pump.
No problems cruising around town, but the last couple of times I hopped
up on the highway she started sputtering and coughing. Pulled off, sat
for a minute, everything came back to normal and was content to ride
around at low speeds. Engine temp seems to be fine, and she only gets
upset when I want to take a dash on the highway. Suspecting vapor lock,
I went searching for a way to cool off the fuel, and found a fuel cooler
at Summit Racing, at the link below:
http://store.summitracing.com/default.asp?target=search.asp%3FType%3Dbys
ummitpart%26Part%3Dflx-4136%26Search.x%3D1%26SearchType%3DBoth
Has anybody tried such a thing on their roadster? It says it's designed
to work with high output fuel pumps - would the stock pump qualify? Or
does it sound like I'm barking up the wrong tree entirely? Any help
would be appreciated
Robbie Harrison
'68 2000
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