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08-24-2016, 12:54 PM
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#1
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Name: DansDieselp24v
Title: Green Behind the Ears
Status: Not Here
Join Date: Nov 2015
Location: Indiana
Member`s Gallery
Posts: 30
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Surging Throttle??
I got the idle issues figured out and decided to take it on a very short test drive, but the throttle is so touchy and bouncy I cant get it to stay at a consistent rpm while driving. I used the crazy carls APPS kit, I tried it both with and without a spring attached the linkage. Only got the truck up to 4th gear at about 2200rpms.
Also at first start up I have to make it idle with the throttle it wont just start up and idle, I have to hold it at about 800ish for a few seconds (10-15) then it will idle. And it wont carry its self in gear, like if I put it in 1st gear and slowly let up on the clutch it will die. I was told timing was set at 18 but I have had the pump off since then and not sure what its at now. I would like it to be around 23* when done. I'm new to these pumps and timing, any help is appreciated!
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01 2500 Ext. Cab SB 6spd, Ppump swap, FASS, Studded, Springs, Pushrods, Cam, Single S400, SB DD, stock bottom end.
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08-25-2016, 01:04 AM
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#2
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Name: Tate
Title: What?
Status: Not Here
Join Date: Nov 2007
Location: Airdrie, Alberta
Member`s Gallery
Posts: 3,419
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What do you have for gov springs? If its a normal 3/4k setup, I would loosen them off a click or two at a time and readjust your hot idle to around 850. You're gonna lose some top end doing this, but a livable bottom end is more important if you're driving it.
If its CDS 5ks, there is machining to be done to the seats to get them to idle right. Numerous threads about that, a couple should have the measurements on how much and where need to be cut.
If you're using the later style dodge linkages on the pump, you can change the position of the rod between the bellcrank where the throttle cable attaches and the throttle lever on the pump. On mine, there is 3 or 4 holes that will change the lever ratio to increase or decrease the sensitivity of the throttle. Its not a huge difference, mind you. You'll need to make sure you still get full throttle travel after adjusting it.
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'98 3500 2wd, 24v, 5 spd, p-pumped
'98 2500 4wd, 12v, 6 spd, VP'd
'02 VW Jetta, 5 spd.
My p-pump conversion pics
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08-29-2016, 10:19 AM
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#3
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Name: rightwinger
Title: Diesel Enthusiast
Status: Not Here
Join Date: Jan 2013
Member`s Gallery
Posts: 101
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Also a stiffer return spring will usually help some.
__________________
2002 Dodge Ram 4X4, 6 speed, Southbend clutch, balanced rotating assembly,maxed out 215 p pump (550 cc's), 025 DV's, DAP 6X.013,Hamilton 103lb springs & HD pushrods, Waterman Sprint 400 lift pump,S362/S475 compounds, head studs , 4 inch exhaust
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08-29-2016, 01:51 PM
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#4
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Name: DansDieselp24v
Title: Green Behind the Ears
Status: Not Here
Join Date: Nov 2015
Location: Indiana
Member`s Gallery
Posts: 30
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The pump currently has 5ks in it, I'm not sure what brand of gov springs he put in when he built it but I do trust him 100% that he did his part right. I will try adjusting the piece of all-thread and see if that helps. I tried it both with no spring and with a pretty stiff one, I will try some more to see if I get any better results. Thanks for the help!
__________________
01 2500 Ext. Cab SB 6spd, Ppump swap, FASS, Studded, Springs, Pushrods, Cam, Single S400, SB DD, stock bottom end.
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08-31-2016, 09:15 PM
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#5
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Name: DansDieselp24v
Title: Green Behind the Ears
Status: Not Here
Join Date: Nov 2015
Location: Indiana
Member`s Gallery
Posts: 30
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I adjusted the piece of all thread both ways and neither is better. Probably going to ditch the CrazyCarls kit and just get the factory linkage.
__________________
01 2500 Ext. Cab SB 6spd, Ppump swap, FASS, Studded, Springs, Pushrods, Cam, Single S400, SB DD, stock bottom end.
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09-01-2016, 04:57 AM
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#6
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Name: BigPapa
Title: Truckless
Status: Not Here
Join Date: Jan 2008
Location: Springfield, TN
Member`s Gallery
Posts: 5,008
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It's not going to help you. Listen to Tate. It's in the GSK, either adjustment or the CDS base issue or both.
__________________
Scott
2003 Avalanche Z71
Common sense is like deodorant. The people that need it most never use it.
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09-01-2016, 06:05 AM
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#7
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Name: BrandonBerkosky
Title: Diesel Enthusiast
Status: Not Here
Join Date: Aug 2014
Location: Dickson City Pa
Member`s Gallery
Posts: 192
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Mine was the same way. I have 4K springs. When I first started driving it I had no idea what was going on. Now I'm so used to it that it's never an issue. But anybody new driving is sure to jerk and buck my truck all over the place.
I tell them either floor it or push in the clutch. Lol.
Sent from my iPhone using Tapatalk
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1955 Buick
1955 Chevy
1957 Chevy Fuel injected
1974 IH 1210 2wd
1985 F350 cclb4wd 5.9
1985 5.0 swap Baby Bronco
1989 yota pickup
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09-01-2016, 06:59 AM
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#8
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Name: 9724VF350
Title: Tractor Guy
Status: Not Here
Join Date: Mar 2010
Location: Northeast Ohio
Member`s Gallery
Posts: 2,784
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A buddy of mine had the same problem. Tried 2 different pumps, and adjusted springs all over the place. I talked him into sending the pump to Seth, problem solved. Drives like a dream and makes more power.
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97 F350 4X4 CC Dually 5spd 24V 913 S300/HT3B Ranch Hand.
Playtoy-Oliver 1655. 12V now , 13mm, S475
Wife's ride-03 Excursion 12V swap in the works.
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