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Monte LT1 question

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Old Jan 14, 2004 | 05:20 PM
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Monte LT1 question

Hey, whats up everyone?
Forgive me everyone for I have sinned! It has neen 9 months since i have driven my camaro. My dad is now selling it I am however going to "steal" his 86' monte carlo ss. I still have the LT1 and 4L60E that i was going to swap into the camaro so i figured i would put it in the monte instead. My question if anyone knows a bout this swap. I know about the search button but ive been looking for 2 hours. When i first started researching i found an article about a swap into a monte like this. Basically, i'm looking for any info on this swap and if anyone knows the specific link to that site. Thanks for the help guys.
Jared (84'fxrupr)
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Old Jan 16, 2004 | 01:41 AM
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: Monte LT1 question

Originally posted by 84'fxrupr
Hey, whats up everyone?
Forgive me everyone for I have sinned! It has neen 9 months since i have driven my camaro. My dad is now selling it I am however going to "steal" his 86' monte carlo ss. I still have the LT1 and 4L60E that i was going to swap into the camaro so i figured i would put it in the monte instead. My question if anyone knows a bout this swap. I know about the search button but ive been looking for 2 hours. When i first started researching i found an article about a swap into a monte like this. Basically, i'm looking for any info on this swap and if anyone knows the specific link to that site. Thanks for the help guys.
Jared (84'fxrupr)
The F-body accessories have cleared the frame on 4 cars so far (a 442, and 3 SS's) so those are the ones to go with, although Y-body ones work I believe too.

You can work the stock harness into the car, and yes, it's work. Get the service manual for the year of the donor and the 86 svc. manual (although the Montes aren't too different over the years, so an 87 would work.) One thing that the later cars have is a feed from the 3rd brake light that needs wired in. I can't remember why though.

The 86 motor mounts will bolt it right up, but the AC hoses are right there close; take the LT1 f-body hoses and keep the compressor end. Get a V8 third gen f-body condensor for the PS outlets & have hoses made to work.

I'm thinking we had to trim the catalytic converter heat shield for the 4L60-E but can't remember for sure.

Stock single cat f-body manifolds and headpipe will clear the G-body frame perfectly. Dual cat stuff, I dunno. Hooker shortie headers for a 95 LT1 don't fit the G-body frame at all.

That's all I can think of.
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Old Jan 16, 2004 | 10:56 AM
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I have an engine and transmission from a 95 roadmaster. I live in kansas so catalytic converters are not a problem. So basically you're saying this swap is about the wiriing? Thatll be the hardest part? Do i need to make a transmission crossmember? Sorry for all the questions but im in shop not and this is definately a project i want to do. Was that your site with the swap info on it?
thanks

Jared (84'fxrupr)
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Old Jan 16, 2004 | 11:03 AM
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
That was not my site. I've helped with a swap a friend did, so I know a bit about it. If I had the $ right now, I'd already have an LT1 or LS1 Aerocoupe.

I don't know how the exhaust will fit, but I bet it works out pretty well. Personally, I'd look at Hooker Super Comps in 1&5/8 / 3"; just buy the right ones for angle or straight plug heads; I forget which the iron LT1s have.

For the trans., I believe the tailhousing will have the mount located exactly where the th200-4R has it's mount, so that should be cake.

The AC compressor may be closer to the frame than the f-body accessories, so watch out there.

Get a V8 third gen f-body radiator for the extra nipple on the RH side tank. There is one port on the water pump that is blocked off on a vette but open on an f-body. You can cap it. (if I'm remembering correctly.)

How much of the drivetrain did you get?
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Old Jan 19, 2004 | 09:55 PM
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Hey, sorry it took so long to reply.

I Have the engine, all accessories, wiring harness, ecm, maf(or whatever senser) with the intake, 4L60E transmission, dual catalytic converters, and the driveshaft(out of a station wagon so thats worthless?). The mote carlo is an 86' monte carlo SS with a 305 and the 200 whatever transmisison.

Another problem was about the fuel system. How did you get it to work in the cars you worked on? I definately am working on a tight budget, but im tired of driving the grand am so i have to get this done !

Does anyone know where the link to the monte carlo swap site is?

Oh well, thanks guys.
Jared (84'fxrupr)

Sorry guys, but one more question. The monte carlo hasn't had ac since weve owned it (it was half@$$ stripped for more power...smog, ac etc.). Is it possible to do the swap without the ac now and then go back later to finish it? I dont need ac right now and that could save me $ and time at the moment.

Last edited by 84'fxrupr; Jan 19, 2004 at 10:02 PM.
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Old Jan 19, 2004 | 11:12 PM
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Keep me updated on how that exhaust fits.

Should be able to buy an AC delete pulley for a 94 f-body from a dealer; B-body and F-body use the same compressor, so this should work.

My fuel system is put together with a 4.3L Monte sending unit & then all threaded, all OEM parts from third gens. I think I have 2 & a half of the tank sending unit to filter lines, and the looong line from filter to framerail, and then I have the flex lines from that line to the fuel rail, and then I used Aeroquip hose & fuel line clamps to route the return line from the rail to the original evaporative line.

I can get you a sending unit reasonable...
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Old Jan 23, 2004 | 09:21 AM
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I wont be able to get started quite yet... I havent talked my dad into it yet. Some good/bad news is that the charging sytem on the grand am went bad again so maybe that would speed things up. Thanks for the fuel system info. I have two more questions actually. What about the driveshaft? WHat driveshaft did you use and were any modifications neccessary? My other question is about another engine swap. The monte has a 86' 305 bored to 335/335 horsepower. That engine is still pretty good. THe engine in the camaro is a 84' 305. My question is wether i could switch the two as a straight swap. THe 84 has a 700r4 and the 86 has that 200 whatever. Thanks for the help guys,
Jared (84'fxrupr)
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Old Jan 23, 2004 | 07:36 PM
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
When I did my T5 swap originally, I used a 69 firebird d.shaft, but it was already setup to fit the Monte & it required a "small" slip yoke b/c it was from a TH400 firebird, and rear u-joint may have been custom too. The 700-R4 won't complicate swapping engines. I changed my 87 SS to a 700-R4. Although the 84 700's are weaker than later ones...

Last edited by jmd; Jan 23, 2004 at 07:40 PM.
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Old Jan 24, 2004 | 01:11 AM
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so do the monte and the camaro have the same length driveshaft? Or will i need to have one setup? As far as the week 84 700's the car will be sold as soon as it becomes functional. It's pretty much worthless not running and my dad hates it... to many problems to much money! I just want it running to make more money off of it.
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Old Jan 24, 2004 | 10:16 AM
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
The driveshafts are basically not even close.
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Old Feb 10, 2004 | 03:16 PM
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thanks for all the help!

Getting closer to starting swap. My dad pretty much told me if i get the camaro running and a for sell sign in it i can have the monte. Now i have to get it all figured out.
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