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366 spring.

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366 spring.

Postby outlaw5.9 » Mon Feb 02, 2009 5:01 pm

Is there anyone near Mcbain, MI that has put one of these in and is comfortable doing it. Or is it not as daunting as it looks. Does it make that much difference, seat of the pants. Does it make the truck pull harder all the way through the RPM range or just raise the top end.
1993, W350, flatbed, dually, 4X4. BHAF, NV4500, southbend Con O, Stan's 4" dp feeding two 5" flatops w/ rain caps, POD's, PDR HX35, PDR fuel pin and Isspro guages.
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Postby Ace » Mon Feb 02, 2009 5:05 pm

It was the 1st mod I did to mine three years ago and to this day, still the best bang for the buck, IMHO. Made driving the Getrag almost enjoyable, if you can imagine that. :shock:
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Postby RumbleFish » Mon Feb 02, 2009 5:42 pm

i was scared huh? when i tried to put mine in, but it was easy. its not near as bad as you think it will be. if you have the link to the instructions they are pretty straight forward...i dont remember where it is. if you need any motivation, go talk to a pump shop. i did, and he said it would be $500 for labor, and he didnt know what the 366 spring was but he would put it in anyways.
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Postby PToombs » Mon Feb 02, 2009 6:03 pm

It will pull harder across the whole band, and wind higher. They aren't that hard. I was nervous about doing mine, but it was easy. I did a buddies since then and never even hesitated. Cakewalk! ;)
pete

Just enough power to break everything behind the crankshaft.
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Postby Richie O » Mon Feb 02, 2009 6:05 pm

I don't dare. I am sure I would frig it up.
1989 W250 727, 3.07 L/S, S300, P/S Intercooler, Stans exaust, Pump adjustments, 127k miles,297 hp
1993 W250 extended cab, rag, 4.10 l/s, 6x16's, HTT 62/71/14 piston l/p, Isspro EV series tach, fuel pressure, boost, oil pres, water temp, volt, pryo, 132k/ 301 hp
1992 W250 with NV4500, 3.54's, 16cm 60mm GDS H1C, ground stock cone, Isspro tach, pryo, boost, fuel pressure, slow, rusty, dented,180k
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Postby PToombs » Mon Feb 02, 2009 6:20 pm

Rich, time for a road trip when the weather turns warm! You bring the beer and I'll put it in for ya. :D

Or wait until october and come down, I'll put the spring in, and the next day we'll go to SOP. ;)
pete

Just enough power to break everything behind the crankshaft.
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Postby Richie O » Mon Feb 02, 2009 6:24 pm

Sounds good. I should bring down my 312 cat excavator for you to work on too. :oops:
1989 W250 727, 3.07 L/S, S300, P/S Intercooler, Stans exaust, Pump adjustments, 127k miles,297 hp
1993 W250 extended cab, rag, 4.10 l/s, 6x16's, HTT 62/71/14 piston l/p, Isspro EV series tach, fuel pressure, boost, oil pres, water temp, volt, pryo, 132k/ 301 hp
1992 W250 with NV4500, 3.54's, 16cm 60mm GDS H1C, ground stock cone, Isspro tach, pryo, boost, fuel pressure, slow, rusty, dented,180k
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Postby PToombs » Mon Feb 02, 2009 6:26 pm

Sorry, I don't work on pussy machines! :D
pete

Just enough power to break everything behind the crankshaft.
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Postby Richie O » Mon Feb 02, 2009 6:48 pm

Don't make fun of my kitty cat. :evil:
1989 W250 727, 3.07 L/S, S300, P/S Intercooler, Stans exaust, Pump adjustments, 127k miles,297 hp
1993 W250 extended cab, rag, 4.10 l/s, 6x16's, HTT 62/71/14 piston l/p, Isspro EV series tach, fuel pressure, boost, oil pres, water temp, volt, pryo, 132k/ 301 hp
1992 W250 with NV4500, 3.54's, 16cm 60mm GDS H1C, ground stock cone, Isspro tach, pryo, boost, fuel pressure, slow, rusty, dented,180k
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Postby ccoxva » Mon Feb 02, 2009 7:52 pm

Why dont yall live closer i like drinkin beer and workin on somethin I know nothin about??? :lol:
1991 N/I 250
1996 Dodge 3500 Ex. Cab Dually 19.5's
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fuel screw!!!!
 
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Postby Richie O » Mon Feb 02, 2009 8:02 pm

Pete is over 500 miles away. I ain't never been there, they tell me its nice. :D
1989 W250 727, 3.07 L/S, S300, P/S Intercooler, Stans exaust, Pump adjustments, 127k miles,297 hp
1993 W250 extended cab, rag, 4.10 l/s, 6x16's, HTT 62/71/14 piston l/p, Isspro EV series tach, fuel pressure, boost, oil pres, water temp, volt, pryo, 132k/ 301 hp
1992 W250 with NV4500, 3.54's, 16cm 60mm GDS H1C, ground stock cone, Isspro tach, pryo, boost, fuel pressure, slow, rusty, dented,180k
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Postby ccoxva » Mon Feb 02, 2009 8:25 pm

Take 3 cases to get there? :lol:
1991 N/I 250
1996 Dodge 3500 Ex. Cab Dually 19.5's
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fuel screw!!!!
 
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Postby T.winegar » Mon Feb 02, 2009 9:41 pm

BE SURE TO BACK OUT YOUR FUEL SCREW!!! when i put my pump top back on i did too many steps at once, leaving my screw in to the new spot and cracked my fulcrum lever. lots of money to fix, and the truck was out of commission FOREVER it seemed!

be careful, and do it in order
89 727-stageIvcomp 4in intake-amsoil air filter, 4in exhaust, dennyT, 366 spring. pump turned up to make me smile! low stall converter, rebuilt tranny at 120,000miles
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Postby fourwheelininajeep » Tue Feb 03, 2009 8:52 am

When I did mine I went a head and just rebuilt the whole pump on the bench so I did it off the truck, do you guys try and do it on the truck or do you pull the ip
1990 dodge w350 cab and chassis frame single rear wheel 99000 miles with chrome stacks between cab and bed paid 1300 for it after a years worth of work i got to drive it
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Postby Begle1 » Tue Feb 03, 2009 9:17 am

There is absolutely no reason to pull the pump to install the spring.
1990 D-250 Regular Cab: Tweaked injection pump, built transmission, a cataclysmic charlie foxtrot of electronics, the most intense street-ran water injection system in the country, and some more unique stuff.
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