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Another dumb arse petrol question?

Tech Talk for Rover owners.

Moderator: Micka

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Posts: 757
Joined: Thu Oct 09, 2003 12:13 pm
Location: Brisbane

Another dumb arse petrol question?

Post by Thonger »

When driving up hill on highway or accellerateing hard, it feels as if the engine isn't running right, ie slight miss, then an occasional knock, more pronounced the more revs I have on. This can develope into a full blown bang (backfire, but no marks/scorching around carby) that jolts the car. Any tips on where to start trouble shooting first. Timing, timing belt dissy advance?
Thonger
Posts: 3278
Joined: Mon Mar 03, 2003 9:03 pm
Location: St Helena, Melbourne.

carby

Post by Loanrangie »

Thonger, i had similar probs at one stage but fixd it by changing the power valve in the holley carb.
Saddle up tonto, its the not so loanrangie! . 98 TDI DISCO lightly modded with more to come.
Posts: 757
Joined: Thu Oct 09, 2003 12:13 pm
Location: Brisbane

Re: carby

Post by Thonger »

Loanrangie wrote:Thonger, i had similar probs at one stage but fixd it by changing the power valve in the holley carb.


Sweet, I have a 2 barrel, was it lack of fuel or too much??
Thonger
Posts: 3278
Joined: Mon Mar 03, 2003 9:03 pm
Location: St Helena, Melbourne.

holley

Post by Loanrangie »

Not sure, but it would hesitate when you floored it then take off all of a sudden. I went to a performance place and they recommended that i set it back to factory jets and power valve and then start from there. I put a 65 p/vavle in and ended up with 59 jets and seems to have solved the problems. Runs on gas most of the time but i still wanted it to run properly on petrol.

Nick.
Saddle up tonto, its the not so loanrangie! . 98 TDI DISCO lightly modded with more to come.
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