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| 89-93 Performance Parts Discussion Discussion of Performance Parts For the 1st Gen Trucks No Advertising ...NO ADVERTISING |
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#1 (permalink) |
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Cummins Enthusiast
Join Date: Dec 2008
Location: frankfort ohio
Posts: 211
Thanks: 1
Thanked 1 Time in 1 Post
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Holy smokes
I put a Hx35/40 hybrid on this summer and today i finally got a boost gauge installed. Well I about crapped myself when it read 50 pounds of boost, most was 55 pounds. The only mods are listed in my sig. I guess i should put some head studs in next.
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1990 W250 pump turned up, fuel pin turned to the deepest, advanced timing, 35/40 hybrid 60.5mm comp wheel 4in exhaust, homemade intake, 727 auto |
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#2 (permalink) |
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Overfueled N under-aired
![]() Join Date: Jul 2008
Location: Seymour, IN
Posts: 651
Thanks: 11
Thanked 19 Times in 18 Posts
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I'd be careful running it up that high. Things tend to come apart after 40 psi.
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2001 SRW QCLB 150 hp jammer nozzles, 120 hp quad stacked w/ 65 hp xzt+, tst stealth plate, walbro lift pump, leveling kit, autometer has all the gauges covered, Valair ceramic, 4" straight pipe, stock turbo "If it weren't for the United States military, there'd be NO United States of America." |
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#3 (permalink) |
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Cummins Enthusiast
Join Date: Dec 2008
Location: frankfort ohio
Posts: 211
Thanks: 1
Thanked 1 Time in 1 Post
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Yea i had no idea it would run that high i was figuring the low 30s
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1990 W250 pump turned up, fuel pin turned to the deepest, advanced timing, 35/40 hybrid 60.5mm comp wheel 4in exhaust, homemade intake, 727 auto |
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#4 (permalink) |
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Cummins Fan
Join Date: Sep 2008
Location: Worland, WY
Posts: 95
Thanks: 0
Thanked 2 Times in 2 Posts
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What's the efficiency range for that turbo?
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1992 Dodge Power Ram 250: PATC transmission, Suncoast FP, TC and VB, ASA modifieds + AFE filter, Gauges, 366 spring, LP Piston LP, Denny T fuel pin, DDP4's, 3/16" Timing, HE351CW Turbo, 4" exhaust, 7.3 PS Intercooler, and cooler tubez.. |
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#5 (permalink) |
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Cummins Enthusiast
Join Date: Dec 2008
Location: frankfort ohio
Posts: 211
Thanks: 1
Thanked 1 Time in 1 Post
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The compressor map is on this link under technical info DodgeZilla Turbo City Diesel - Diesel Performance
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1990 W250 pump turned up, fuel pin turned to the deepest, advanced timing, 35/40 hybrid 60.5mm comp wheel 4in exhaust, homemade intake, 727 auto |
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#6 (permalink) |
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First Generation Moderator
![]() Join Date: Dec 2005
Location: Ashland/Mansfield Ohio
Posts: 1,132
Thanks: 0
Thanked 2 Times in 2 Posts
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Don't run it that high. The turbo isn't designed for it. Do you have an inner cooler? How did you load the engine enough with the factory torque convertor to build that kind of boost? What for exhaust housing is there?
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1990 D250/1992 D250 Modified by **Smokehouse Diesel** Ashland, OH ....therefore, my brothers, I want you to know that through Jesus the forgiveness of sins is proclaimed to you. Acts 13:38 |
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#7 (permalink) |
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Cummins Enthusiast
Join Date: Dec 2008
Location: frankfort ohio
Posts: 211
Thanks: 1
Thanked 1 Time in 1 Post
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I dont have an intercooler, i just held her wot to get it that high, it has a 16cm wastegated housing but it isnt hooked up
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1990 W250 pump turned up, fuel pin turned to the deepest, advanced timing, 35/40 hybrid 60.5mm comp wheel 4in exhaust, homemade intake, 727 auto |
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#8 (permalink) | |
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Diesel Freak
Join Date: Sep 2008
Location: Goshen, Ky
Posts: 754
Thanks: 0
Thanked 33 Times in 30 Posts
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Quote:
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'91.5 D350, 2wd Dually, 4" Straight Pipe, 366 Spring, DennyT Stage II Fuel Pin, Isspro Boost, Pyro, Tranny and Fuel Pressure Gauges Brothers: '97 2500, 12 Valve, 4wd, 5spd, 716rwhp, 1200+rwtq, Single turbo, Fuel only |
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#9 (permalink) |
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Cummins Enthusiast
Join Date: Dec 2008
Location: frankfort ohio
Posts: 211
Thanks: 1
Thanked 1 Time in 1 Post
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I know, I would have never have guess i made that much boost, just goes to show how important gauges can be.
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1990 W250 pump turned up, fuel pin turned to the deepest, advanced timing, 35/40 hybrid 60.5mm comp wheel 4in exhaust, homemade intake, 727 auto |
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#10 (permalink) |
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Diesel Freak
Join Date: Sep 2008
Location: Goshen, Ky
Posts: 754
Thanks: 0
Thanked 33 Times in 30 Posts
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What are your EGT's like?
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'91.5 D350, 2wd Dually, 4" Straight Pipe, 366 Spring, DennyT Stage II Fuel Pin, Isspro Boost, Pyro, Tranny and Fuel Pressure Gauges Brothers: '97 2500, 12 Valve, 4wd, 5spd, 716rwhp, 1200+rwtq, Single turbo, Fuel only |
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#11 (permalink) |
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Cummins Enthusiast
Join Date: Dec 2008
Location: frankfort ohio
Posts: 211
Thanks: 1
Thanked 1 Time in 1 Post
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It isnt hooked up yet, i dont have the tap right now
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1990 W250 pump turned up, fuel pin turned to the deepest, advanced timing, 35/40 hybrid 60.5mm comp wheel 4in exhaust, homemade intake, 727 auto |
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#12 (permalink) |
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Cummins Nut
Join Date: Feb 2009
Location: charleston west by god
Posts: 402
Thanks: 6
Thanked 11 Times in 10 Posts
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old school. you may be very lucky not to have blown parts all to heck. to get that kind of boost takes a lot of fuel and that mean piston melting heat. you better park that thing until you get gauges and consinder yourself damn lucky you still have a truck. i wouldn't be suprised if your egt's were around 1800.
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92 4x4, fuel screw turned in all the way, starwheel dropped to the bottom, 40 hp injectors, machined pin, detroit locker lets me smoke 'em evenly. auto meter pyro. God Bless Our Country and Damn The Goverment |
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