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Learned a valuable lesson today on the 84 to 87 conversion.

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Project TNX

Active Member
Joined
Nov 18, 2006
Messages
1,809
Sometimes you have to undo stuff to do stuff. LOL

I undid more things today than doing new things. In my defense, there was no way to know what I should have, and should not have put on the engine when I set it in, and I was expecting these kinds of issues.

I installed the wire harness today. The big hiccup was I hadn't put my firewall heat plate (on the fiberglass heater core) back on prior to installing my engine. That blew, but nothing removing a well put on valve cover didn't heal.

My 2nd hiccup was having to remove the alternator bracket to route the wire harness correctly, no biggy and it took about 5 minutes to fix.

My 3rd hiccup, and it was the PIA hiccup, was I put the stud for the A/C to head bracket on the most inside drivers side header instead of the one it was supposed to be on. And of all the wrong places to put it, I put it on the one where I can't reach at all with the engine in. Murphy's law bit me on that one, but since I don't need that bracket I am just buying a new stud or grabbing one of the 84 if it has one and moving on with the rest of my list to do.

Sometime this week I will have a "What is this and where does it go?" picture post. Like a white ceramic coated bolt that was in the bottom of my conversion box.

But so far, it's been smooth really, no extra parts leftover, only missing about 3 things to finish it; throttle cables, wastegate solenoid, something else that is slipping my mind at the moment.

Is the wastegate solenoid the same one for an 84, if it is I have that covered as well? :confused:

If anyone has any helpful hints to throw my way, regarding the harness or brakes, or fuel, please throw them my way as those are my next hurdle. :D

I also have a question regarding the F-body Radiator swap, does their radiator have the same fittings for the tranny lines and oil lines, or would I have to bypass any of those and get a seperate cooler? Also, what year F-body radiator. Not sure I am going that route, but my 87 radiator has seen better days and for ~$100.00 it would be worth it for me to just go the F0body route. But I only want to go that route if it looks factory.
 
Quick questions list:

-Is the 84 wastegate solenoid the same?

-what throttle lines do I need, how many total?

-Is there any other cables I wll need that is different?

-Anyone want to shoot me, make it easy for me, LOL? :D
 
The 86-87 wastegate solenoid is different.
The 86-87 throttle cable is different.
The 86-87 cruise cable is different.
I'm pretty sure the 86-87 TV (detent) cable is different.

FWIW, I installed my harness the easy way,with the engine out of the car.
 
The 86-87 wastegate solenoid is different.
The 86-87 throttle cable is different.
The 86-87 cruise cable is different.
I'm pretty sure the 86-87 TV (detent) cable is different.

FWIW, I installed my harness the easy way,with the engine out of the car.

I was told by the board it was easier to install it with the engine in, LOL. Setting the harness wasn't too difficult, but that front cover area is a little jammed up, sheesh. The difference on working on something in the engine bay with the 86/87 drivetrain in as opposed to the 84/85 is astounding. Buick really jammed that hot air engine in there.


The 86-87 wastegate solenoid is different.
The 86-87 throttle cable is different.
The 86-87 cruise cable is different.
I'm pretty sure the 86-87 TV (detent) cable is different.

Dang it, going to have to hit Bweavy up.
 
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