1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

spent $150 on fuel pump and regulator and its worse then before

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Old 07-12-04, 05:04 PM
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spent $150 on fuel pump and regulator and its worse then before

and its pissing me off...im still boggin after 4000 rpm in 3rd 4th and 5th...but now in all gear when i stump on it (WOT) it bogs and will die if i done push in the clutch and baby it back...

can anyone help??

i believe the regulator is set at 3psi or so... should i try adjusting it for more fuel and test drive again? or is it another problem?

Thanks

Brad
Old 07-12-04, 07:17 PM
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You have another problem. 3psi is "in the ballpark".

How old is the fuel filter? You didn't mention that. Are the fuel lines clear? (Fuel lines from tank to filter, filter to pump, pump to carb, lines on the carb, last-chance filter screens on the banjo fittings, banjo fittings themselves, passages inside the carb to the needle & seats)

I had a hell of a problem with clogging of the internal carb passages upstream of the needle and seats. Be careful because if the bajo fitting is weak from rust, you can easily break it in half, especially it it galls in the carb top... and galling is extremely easy as well.
Old 07-12-04, 10:01 PM
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well if there is a clog its somewhere in the carb...i had the line off after the regulator and turned the pump on and it was spitin out some major gas... could id be running rich??? it didnt bog and cut when i went WOT before...but does now

Thanks

Brad
Old 07-13-04, 12:04 AM
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you've got to check from the gas tank forward, to rule out any problem in between,,, sounds like the 'ol fuel filter problem 12a w/ nikki carb.
Old 07-13-04, 12:11 AM
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the filter is some what new...but i will replace it. as for it cutting off..i may have a vacum leak(wasnt COMPLETELY done with rats nest removal)...that could be a cause right?
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