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Discussion Starter #1
My car hesitates when I drive it just after warming up and backfires alittle. I am thinking that the fuel pump is going bad since it the stock pump from 1987. Will I need to install an adjustable fuel pressure regulator if I add a 190lph pump? Thanks for any information.

-Blas

The car is a stock speed density coupe with only full exhaust and a cobra intake for mods.
 

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Discussion Starter #5
shady said:
so you don't have to buy another one later. when you make more power.
Exactly, I am in the process of converting this car to mass air, then I am going to add some heads and a cam. I don't think the car will run that well with anything smaller than a 190lph pump.

Thanks for the replies.
 
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