What should I do to fix this thing, now that I know it is a 350 I am completely out of ideas.
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You still need to tell me what the throttle body you have came off of and what the colors are on the tops of the injectors or what the part number is stamped on top of each injector if the paint marks are gone.
The IAC will retract when you turn off the ignition and should move to close off the port hole when the motor is started, if it does not the IAC could be bad. It will also move when you open up the throttle quickly. You can see it through the the hole on the top left rear corner of the trottle body.
I do not have a lot of extra time right now to mess with it, I have my jeep and others to get ready to wheel. (It was to cold to mess with this last winter.) I would end up rewiring if needed if the harness is compatible to install the 7747 ecm (the ecm used to cost $25.00 local) so I can get in it and get rid of the things you do not need. Maybe in a couple of weeks.89 YJ EFI AMC 360, T18a, D20, built D44, 14 bolt, 38" Creepy Crawlers.
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Thanks so much for your help so far! I will get those numbers (or colors) of the injectors and let you know. I don't know what the throttle body came off of, but sarge should know since he gave it to me.'84 Cherokee body welded to an '86 Blazer frame , fuel injected 350, 700r4 trans, np208 t-case, 44 front and a welded 14 bolt in the rear on 35" boggers, radiator in the rear, and a full cage
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Originally posted by Hybrid View PostThanks so much for your help so far! I will get those numbers (or colors) of the injectors and let you know. I don't know what the throttle body came off of, but sarge should know since he gave it to me.sigpic
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Originally posted by blazerbrad View PostIt may already be a moot point, but whether or not the TBI unit came off of a 305 or 350 it should not cause the issues you are having.
If it is a 454 I will take it in trade to get it running! (I will help you out anyways.)
The IAC may be bad and I posted how it should act and that also needs to be checked.89 YJ EFI AMC 360, T18a, D20, built D44, 14 bolt, 38" Creepy Crawlers.
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Mike ,
I can 100% say that the TBI was not from a big block or a 4.3 L . As far as it being a 350 or a 305 ..... I can not see them pulling a 305 , they are not worth anything . I knew the previous owner of the van and set the deal up for the van to be hauled in and the previous owner even said it was a 5.7 , but with that being said ..... I have run into alot of people who think GM put 350's in every V8 camaro made
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The 4.3, 5.0, and 5.7 throttle bodies look identical and are mostly except for the injectors and some yards do not know the injectors are different hence you could get the wrong one. It is probably a 5.7 one, but it is easy enough to make sure by looking at both the injectors. It should only take a couple of min to check them.89 YJ EFI AMC 360, T18a, D20, built D44, 14 bolt, 38" Creepy Crawlers.
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