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Help needed on TBI conversion https://coloradoclassicbroncos.com/viewtopic.php?f=4&t=2827 |
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Author: | landshark [ Mon Oct 31, 2011 9:33 pm ] |
Post subject: | Help needed on TBI conversion |
Hey guys, i know iam the new guy on here and this is a Bronco forum, however I really need to get this FJ40 out of my garage so i can get the bronco into it. I helped or rather dove into a TBI conversion on the installed chevy 350 however i'm running into a bit of problem trying to get the thing fired up. As I said he has a chevy 350 installed in it, i pieced together all the parts, computer, wire harness etc etc.. I have everything installed and wired up however I'm stumbling a bit on getting it to fire. I have spark, the timing is dead on and I hear the fuel pump kick on and see the fuel pressure hit 13psi when i crank it however still no start up. I think the injectors are not kicking on.. or i have something mis-wired however not too sure. I have been working on this by myself for the most part and not sure where to go from here. (complete newbie on this) As i said I know iam the new guy on here however I thought i would reach out and see if anyone has some experience getting on of these fired up and would be willing to lend a hand. I would be more than willing to float some $, food, or all the above to help get this rust bucket out of my garage. Thanks! |
Author: | Jesus_man [ Tue Nov 01, 2011 1:31 pm ] |
Post subject: | Re: Help needed on TBI conversion |
You may get help here (I have been surprised before), but you may seek help over on , Coloradok5.com, Colorado4x4.org, or maybe an FJ-40 site as I am sure the issues are much more common there than here. J.D. |
Author: | landshark [ Wed Nov 02, 2011 9:22 pm ] |
Post subject: | Re: Help needed on TBI conversion |
its ALIVE.. took a few calls to people in the know.. but in the end i figured it out... now to get the front end together and its OUT OF HERE! |
Author: | Booger [ Thu Nov 03, 2011 3:30 am ] |
Post subject: | Re: Help needed on TBI conversion |
So what was it? Something simple I bet. |
Author: | landshark [ Thu Nov 03, 2011 1:19 pm ] |
Post subject: | Re: Help needed on TBI conversion |
I didn't supply 12v start/run power to the injectors. There are two service hookups on the wire harness I picked up (from a 92 camero) - well two of the wires going into the service connector were for the injectors and were not hooked up to anything.. hence no power. I overlooked it due to poor wiring schematics and honestly this was my first conversion. Not any one wiring schematic helped me.. it was a conglomerate of 5 that eventually pointed the way. Then, a little trouble shooting and checking voltages ended up eliminating almost all problem areas and I was able to finally nail down the fact that.. hey.. no 12v, no fuel, no start.. and so i tied the injectors into the pink and black wire and it fired right up. Glad I got it running.. set the timing last night and started putting the front end together. I think i can have it out of the garage tonight and get things cleaned before i work on redoing my powersteering/York/upper intake maintenance on the fullsize.. have a slight leak on the lower intake, new bracket for the York and I want to install a real Power steering resevior for my Hydro assist... Anyway It was a good learning experience, even if it wasn't my truck ;) I will be going EFI on the 76 bronco eventually - probably move the 302 from the fullsize (EFI, Mass air, roller) to the 76.. but we will see.. thats a ways down the road. |
Author: | ZOSO [ Thu Nov 03, 2011 4:39 pm ] |
Post subject: | Re: Help needed on TBI conversion |
How hard was that tbi to do? Id like to look into something like that for my 79. |
Author: | Gunnibronco [ Thu Nov 03, 2011 5:05 pm ] |
Post subject: | Re: Help needed on TBI conversion |
I'm hijacking for a second, Zoso, have you ever seen this company: http://www.pricemotorsport.com/ I can't link to the exact page, but they have an adapter plate to put 351W stuff on the 351M/400. Click on "Intake Adapters" then "AP-34". You should try it. Yeah. Chad |
Author: | ZOSO [ Fri Nov 04, 2011 6:01 am ] |
Post subject: | Re: Help needed on TBI conversion |
I've got a 460 in my bronco. And the only downfall with goin to stock 460 efi I would need to change the heads to the efi ones. It wouldnt be cheap with my valve train. Thats why Im just lookin into a tbi setup. I really like the fast ez-efi as it's bolt on and is self tuning. |
Author: | Gunnibronco [ Fri Nov 04, 2011 7:27 am ] |
Post subject: | Re: Help needed on TBI conversion |
Sorry for the unnecessary hijack. I saw those adapters a few years ago when I wanted to put a 400 in my Bronco. Chad |
Author: | landshark [ Mon Nov 07, 2011 10:16 am ] |
Post subject: | Re: Help needed on TBI conversion |
Author: | landshark [ Tue Nov 08, 2011 10:48 am ] |
Post subject: | Re: Help needed on TBI conversion |
Figured I would post up the rust bucket i was working on.. fj40.jpg runs great! drives like crap! |
Author: | Jesus_man [ Tue Nov 08, 2011 10:58 am ] |
Post subject: | Re: Help needed on TBI conversion |
FJ-40's are still cool! |
Author: | Dukietown [ Tue Nov 08, 2011 11:02 am ] |
Post subject: | Re: Help needed on TBI conversion |
Those old land cruisers are really cool though. Would love to rebuild one some day. |
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