my 93 surges at idle, what's up???
02-18-2012, 12:58 PM
#16
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That's why I feel that my pump isn't quite 100% and that my power numbers would be higher if it were. My truck was bone stock, with the exception of the Banks I/C, when I got it 4 years ago. Even then, I didn't actually turn the fuel screw until about a year and a half ago.
Reality it felt like 25% +
The 3200 was in before I took it in.
I have another truck with 146k stock & I'm already debating 50k more rebuild time.
02-18-2012, 01:10 PM
#17
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I do have a good injection pump place in Pensacola but they want $675 to rebuild a pump, why so much I don't know, rebuild kits are only $30, I know its not easy to rebuild one and I don't think I could do it because I don't know what to look for when doing it, I wish I knew what causes the surging or stalling when a pump goes bad, is there a part that always should be replaced when doing one to correct it??, I'm retired and on a fixed income and try and do all my repairs myself, but I just might have to bite the bullet on this one.UGH Thanks guys.
Do a review search on them,
$30 kit is just a gasket kit.................. NOT A rebuild kit.
02-18-2012, 01:28 PM
#18
Yes just black smoke out tail pipe, getting 13 lbs at pump, that should be plenty. Would timing have anything to do with the surging??? I have moved it full circle, I mean all the way against the head to all the way down and seen no differance in the way it ran, any idea's on that??? You would think there should be some differance in the way it ran, the pump doesn't move very far tho so I don't know, 1/2 inch maybe.
I wonder what maks them surge when they get older?? you would think if anything it would just idle faster, things like this bug me to no end, not knowing why its doing what its doing. I had a whole P pump setup from a 95 cummins, injectors, lines, gears and all but I sold it, now I'm sorry I did as they are better pumps from what I hear?? The last 44 I had when it went bad it wouldn't idle at all, as soon as you let off on the fuel it would stall, it never got a chance to surge.
I wonder what maks them surge when they get older?? you would think if anything it would just idle faster, things like this bug me to no end, not knowing why its doing what its doing. I had a whole P pump setup from a 95 cummins, injectors, lines, gears and all but I sold it, now I'm sorry I did as they are better pumps from what I hear?? The last 44 I had when it went bad it wouldn't idle at all, as soon as you let off on the fuel it would stall, it never got a chance to surge.
One word of caution about the shop you mentioned, I've read nothing but bad about them. I have never dealt with them myself but just a word of warning.
02-18-2012, 04:10 PM
#19
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It doesn' smoke out the tail pipe after it warms up, very little while cold, they are stock injectors, when cold RPM surge is bad, it kills the motor if left at idle, after it warms up its not bad at all, hardly noticeable, I can live with the way it is by using my throttle cable till it warms up, its just a pain tho, having to do that, sometimes it will stall even after it warms up when you come to a stop, but starts up right away.
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