drag times

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drag times

Postby RumbleFish » Thu Jul 19, 2007 10:19 pm

Went racing last night. For some reason, I took the crew cab instead of my SRT4. Noticed as soon as I got there that the steering box was falling off the frame again (it was doing this when I got the truck, and i used loctite putting it back together). Managed to get 2 of the 3 bolts tightened up without much effort and called it good enough. Got 8 runs in, most of which were figuring out a way to launch it. Seems I could either bog it or blow the tires off...there wasn't much in between. Here's the best-

R/T: .248
60': 2.43
1/8: 10.61 @ 67.31
1/4: 16.54 @ 82.6

Pulled a bunch of 17.1's. Put another 1/2 turn on the fuel screw, and went 16.99. Let it sit for about 30 mins and then pulled 16.54. This was done with a HX35, POD's, banks ic, 4" staight pipe, about 3.5 turns on the fuel screw, turned fuel pin, bhaf, NV4500 and 3.54 gears with 315 tires. I would guess the weight somewhere around 6800, and who knows the hp. I'm satisfied with the results, but don't think I'll be trying it again. The track workers didn't like my leaky truck, and every launch I was waiting for the D60 rear to grenade all over the start line.
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Postby KTA » Fri Jul 20, 2007 6:40 am

According to your runs and your weight I calculate you at just under 300rwhp. 8)
Fleet of Junk: 1989 D350 627rwhp 1300 tq B-1/Hx60 twins, KTA pump/injectors, ported head, BIG fuel supply. 13.75@ 109.5mph 1/4: 1992 W350 Cab-chasis, 1993 W350 ext cab cust.370 inj Hx40/16cm 290rwhp hydroboost brakes,1984 D350 crew-cab another project.
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Postby PToombs » Fri Jul 20, 2007 3:40 pm

Good job Jeff! Not bad for a crew truck! 8)
pete

Just enough power to break everything behind the crankshaft.
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Postby TWorline » Fri Jul 20, 2007 5:33 pm

Good numbers Jeff! 8) You are right on the money on the weight 6800-6900 according to how much fuel you had.
Tim Worline
1992 W250 Club Cab LE, S300 62/71, 5" stainless intake, 4" into 5" exhaust, ATS exhaust manifold, SDX 5X18 Injectors, AirDog 150, Borgeson shaft, Coolingmist Vari-cool, Con OFEK, 3" Stainless CoolerTubz, 354/749.

http://www.CoolerTubz.com/
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Postby RumbleFish » Sat Jul 21, 2007 11:57 am

Yeah, good job for me...the next morning it developed a hard starting problem. The IP drips fuel from the power screw, and I think I might have a dead lift pump. I pumped the lever trying to prime it to see if it would start easier, and there is next to no resistance when moving the lever. Is that normal??
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Postby TWorline » Sat Jul 21, 2007 12:57 pm

When I still had the diaphram pump on mine it never did seem like you were doing anything with the lever. I had an occasional hard start problem till I installed the "sexy" piston pump, it went away then so my pump must have been weak as well.
Tim Worline
1992 W250 Club Cab LE, S300 62/71, 5" stainless intake, 4" into 5" exhaust, ATS exhaust manifold, SDX 5X18 Injectors, AirDog 150, Borgeson shaft, Coolingmist Vari-cool, Con OFEK, 3" Stainless CoolerTubz, 354/749.

http://www.CoolerTubz.com/
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Postby RumbleFish » Sat Jul 21, 2007 8:53 pm

Where can I find the recipe so I can cook me up a sexy piston pump? Any idea on total cost?
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Postby Rebel Ram » Sat Jul 21, 2007 9:07 pm

I read this wrong. :oops:
Last edited by Rebel Ram on Sun Jul 22, 2007 5:08 pm, edited 1 time in total.
"Big Ugly"-93 3/4 T extra cab 4X4 5 speed
"Big Hips"-92 1 Ton reg cab 4X2 Auto
"The ohwun"-2001 3/4 T quad cab 4X4 auto
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Postby TWorline » Sun Jul 22, 2007 1:43 pm

Jeff:
Here is the recipe for cooking up the sexy piston lift pump:

3936320 1 Lift pump.
3914284 1 Block to lift pump spacer.
3914753 1 Fuel line.
3939258 2 Gaskets.
3918191 2 Banjo bolt seals.

When you install the new sexy pump you have to remove some of the sound deadening material from the tappet cover. The way I did it was cram your 4" angle grinder in there and grind till you see sparks, you will need this room for the pump and line to fit up against the block.
Tim Worline
1992 W250 Club Cab LE, S300 62/71, 5" stainless intake, 4" into 5" exhaust, ATS exhaust manifold, SDX 5X18 Injectors, AirDog 150, Borgeson shaft, Coolingmist Vari-cool, Con OFEK, 3" Stainless CoolerTubz, 354/749.

http://www.CoolerTubz.com/
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Postby PToombs » Sun Jul 22, 2007 3:53 pm

What Tim said on the grinding! :D I put a cutter wheel on my 4" grinder, just went easy on it. Sparks mean stop! and readjust. I sprayed some black paint in there to cover up the bare metal also. Drill out the side holes in the banjo bolts if you haven't already. 11/64 bit I think. 8) [/i][/b]
pete

Just enough power to break everything behind the crankshaft.
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Postby TWorline » Sun Jul 22, 2007 4:52 pm

When I had by banjo bolts out I bored them out quite a bit the lenght of the bolt, can't remember how much though :? and elongated the 4 holes @ the head. If you look at the 4 holes you will notice that they are not lined up, 2 are at one elevation and the other 2 are at a different elevation. Mine are all at the same elevation now as well as bigger in diameter. Do I have you throughly confused yet? Anyways I think that it flows more this way. :wink:
Tim Worline
1992 W250 Club Cab LE, S300 62/71, 5" stainless intake, 4" into 5" exhaust, ATS exhaust manifold, SDX 5X18 Injectors, AirDog 150, Borgeson shaft, Coolingmist Vari-cool, Con OFEK, 3" Stainless CoolerTubz, 354/749.

http://www.CoolerTubz.com/
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Postby Rebel Ram » Sun Jul 22, 2007 5:51 pm

TWorline wrote:When you install the new sexy pump you have to remove some of the sound deadening material from the tappet cover. The way I did it was cram your 4" angle grinder in there and grind till you see sparks, you will need this room for the pump and line to fit up against the block.


I used a die grinder and small rotery file and carved mine out like a Zipcut. You can cut curves that way. Just another way if you like.
"Big Ugly"-93 3/4 T extra cab 4X4 5 speed
"Big Hips"-92 1 Ton reg cab 4X2 Auto
"The ohwun"-2001 3/4 T quad cab 4X4 auto
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Postby RumbleFish » Mon Jul 23, 2007 1:03 pm

Where can I get those part numbers at? I tried reliable goods, and the only ones the part finder recognized was the pump and the banjo seals. I hear Cummins in Ft. Wayne is pretty high priced if you are not a truck shop. I can get the piston pump at my other job at a parts store with my discount. How does an aftermarket unit compare to a cummins part?
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Postby PToombs » Mon Jul 23, 2007 3:48 pm

Do you have a Case or Case/IH dealer nearby? Change the 1st 3 to a J, same parts! :wink: :D
pete

Just enough power to break everything behind the crankshaft.
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Postby RumbleFish » Mon Jul 23, 2007 6:10 pm

ooo, secrets of the trade. I'll tell em Pete sent me :wink:
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