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2.0 l A/C Hunting

Posted: 13 Sep 2010, 16:16
by mike the van
Hi

Having a few probs with the running on my 2.o l A/C, it is pretty standard apart from Twin Dell 36's
Has been running fine, but seems to be lacking a bit of grunt on the hills and the top end has dropped away
Seems almost like when going up a hill it almost shudders keeps going, but usually a change down is needed, temps all seem OK
Any ideas , I have retimed with a strobe to 6 ATDC
But still having problems

Cheers

Mike

Re: 2.0 l A/C Hunting

Posted: 13 Sep 2010, 16:31
by ..lee..
could be anything but as a guess i`d say either HT missfire or carb balance. is it worse in the wet or if you load the engine.

Re: 2.0 l A/C Hunting

Posted: 13 Sep 2010, 18:59
by jason k
induction leak?

check inlet gaskets as these are a common fail on dells

Re: 2.0 l A/C Hunting

Posted: 13 Sep 2010, 21:18
by mike the van
Seems to be worse under slight load, although I am thinking maybe the induction side as has gradually developed and I didn't use the thick gaskets

last year all set to get it rolling roaded, and then found out they had gone bust ! B****r

Mike

Re: 2.0 l A/C Hunting

Posted: 13 Sep 2010, 22:55
by orangebooboobearcrew
Hi,

Could be the start of fuel pump push rod wear - common problem (see my other posts).

This could be starving the carbs of fuel if worn and particualrly when going uphill / under load....

Loads on here about it if you do a search...

Chris

Re: 2.0 l A/C Hunting

Posted: 14 Sep 2010, 00:57
by HarryMann

Re: 2.0 l A/C Hunting

Posted: 14 Sep 2010, 16:09
by jason k
if its worse under light throttle thats when vaccume is at its highest and will show leaks up.

for the sake of a couple of quid get some new gaskets on

try jim at stateside tuning