2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

rebuilt 87 engine very hard to start.....

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Old Mar 2, 2007 | 10:34 AM
  #1  
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From: indianapolis
Unhappy rebuilt 87 engine very hard to start.....

i have just rebuilt my engine. everything is correctly done, i took my time doing it. but the problem is when i go to start it, it doesnt want to start. here is what it is doing..........nuh nuh nuh nuh nuh nuh nuh nuh run run nuh nuh nuh nuh. then when i go to start it again, it spits lots of fuel out of the exhaust pipe. somebody please help me with this!!!!!
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Old Mar 2, 2007 | 10:36 AM
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From: Hood River oregon
New or used housings?
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Old Mar 2, 2007 | 10:48 AM
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From: indianapolis
they are used houseings, but there are as smooth as a babys bottom.....
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Old Mar 2, 2007 | 10:53 AM
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From: Arlington, TX
Pull the vacuum line off of the fuel pressure requlator and see if it shoots gas out of the vac fitting when you try to start it... Dont do this with the engine warm or hot since you will probably burn it to the ground if you do...
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Old Mar 2, 2007 | 11:05 AM
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From: indianapolis
i will ty that, any other sugeestions?
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Old Mar 2, 2007 | 11:09 AM
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Doesnt matter if they are smooth or not, they are used. The motor has to cut in to those new housings. You will probably have to tow start it or use oil to bring up the compression.
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Old Mar 2, 2007 | 11:12 AM
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From: indianapolis
what do you mean by tow starting it. and should i put the oil or tranny fluid in the spark plug holes? if so, how much to use?
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Old Mar 2, 2007 | 11:43 AM
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From: Goose Creek, SC
I had the same problem with my rebuild. I as well ran used housings, but I don't think that was my problem upon starting. As a matter of fact, I had about 1000 problems all together. Since the engine was apart for 7 months, I forgot where everything went, and pretty much winged it. Here are some of the problems that I had.

1) I flooded the hell out of it. Multiple times. I shot oil in the spark plugs almost daily before I figured out what was going on.

2) I had the CAS drive gear on the eccentric shaft on backwards. No matter how many times I tried timing it, the marks wouldn't line up. I pulled the CAS out and moved it 1 tooth, and the same thing would happen. I would turn it until I maxed it out trying to get them to line up, but it would only get within about 2deg of spec. I pulled the front cover, flipped the gear, replaced cover and CAS and it was on. I'm guessing because the timing was off, that the car kept flooding.

3) The wires from the back of the coolant temp sensor connector were pulled out just enough to where they weren't making a connection on the sensor. This tripped the ECU into failsafe mode, and maintained a constant 80deg F. Of course, this made the car flood.

4) Duh. The plugs fouled because of all this flooding.

5) About 996 other things went wrong, including pinching the thrust bearing when flipping the CAS drive gear (resulting in a ton of crank pulley play, and metal galore in the oil pan), the TPS was waaaay out of range (someone thought they were going to be funny and try to raise my idle sky high), leaky omp lines, etc etc....



Unflood your engine with some 5w30 in the spark plug holes, and make sure all your connections are plugged in. *use about a footlong piece of hose, suck some up in it, and shoot one hoseful in both plug holes* Check fuel, spark, and make sure the air duct is free of restrictions. (I've seen it)
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