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Author
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Topic: QUESTIONS RE: 1988 FORD F350 DIESEL
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Team Artiga
New Member
Member # 5767
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posted
 
 
My name is George and I am restoring an 88 Ford F350 Diesel which up until one month ago, wasn't running and hadn't been driven since 94. My goal is to get this truck running at it's absolute best and eventually, it will. In the meantime, I do have some questions and would appreciate a hand in pinpointing the problem area or parts that might be attributing to the following factors:
(1) Truck smoking when I step on the gas.
(2) Top speed is 45 MPH at best, there's no power.
(3) Rear antilock brake and engine lights stay on
and lastly...
(4) How to adjust the air and fuel input levels?
Any feedback will be greatly appreciated.
George
[ June 10, 2005, 01:22 AM: Message edited by: Team Artiga ]
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George
Posts: 2 | From: San Jose California | Registered: Jun 2005
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CDT
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Member # 5004
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posted
check the injector pump timing
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Custom Dyno Tuning
510.331.0608
Home of Flat Fee Tuning For All Cars, Trucks and SUV's, EFI & Carb, SCT, AFR, Dynatech, STS Turbos, N2O Refills
Posts: 1053 | From: Hayward | Registered: Nov 2004
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Joooestang66
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Member # 2828
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posted
I'd remove the air inlet for the turbo and check the vanes, if they're pitted or chunks missing, if there's a bunch of dirt in the turbo throat, or if theres a bunch of dirt inside the air inlet tube the motor is "dusted". Dusted means done, the motor could be finished. Im not saying thats what it is but it could save you alot of $$$ and time in trying to get it running.
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"Don't Drive Faster Than your Guardian Angel Can Fly..... Well My Guardian Angel Can Fly Pretty Fuc*ing Fast!!!"
Posts: 581 | From: Elk Grove | Registered: May 2003
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CDT
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Member # 5004
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posted
I dont think 88's have turbos, at least not stock
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Custom Dyno Tuning
510.331.0608
Home of Flat Fee Tuning For All Cars, Trucks and SUV's, EFI & Carb, SCT, AFR, Dynatech, STS Turbos, N2O Refills
Posts: 1053 | From: Hayward | Registered: Nov 2004
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Joooestang66
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Member # 2828
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posted
Oh yeah, Im not even sure if they're a Direct Injection motor.
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"Don't Drive Faster Than your Guardian Angel Can Fly..... Well My Guardian Angel Can Fly Pretty Fuc*ing Fast!!!"
Posts: 581 | From: Elk Grove | Registered: May 2003
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CDT
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Member # 5004
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posted
they use a gear driven injector pump. These are the International 7.3L engines. I didnt think any were still around.
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Custom Dyno Tuning
510.331.0608
Home of Flat Fee Tuning For All Cars, Trucks and SUV's, EFI & Carb, SCT, AFR, Dynatech, STS Turbos, N2O Refills
Posts: 1053 | From: Hayward | Registered: Nov 2004
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BlueOvalRacing
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Member # 1531
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posted
88 7.3's didn't have E4OD trannies - 89 and up did. The red engine light is probably from a bad oil pressure sender or from the cylinder head temp sender (on the front of the left cyl. head near the exhaust manifold). The smoke is most likely from a bad injection pump. Make sure to check/replace all the cracked fuel lines going to each injector and the line from the frame to the lift (fuel) pump on the right side of the engine. They are notorious for sucking in air and causing a hard start concern. The injector caps and o-rings should also be replaced if it has been sitting for some time.
Diesels don't use a throttle plate, so there is no way to adjust air intake levels - there's just a 5" hole that allows more than enough air in. The fuel injection timing can be advanced a little bit, but the power output is usually not worth the effort. A little timing goes a long way.
Posts: 1159 | From: Pioneer | Registered: Jul 2002
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