LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

so afew question..help me answer.

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Old Nov 16, 2008 | 12:24 AM
  #1  
toxik IROC's Avatar
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From: M.D
Car: 1987 Camaro
Engine: 350 hsr
Transmission: 700R4(blown)
Axle/Gears: 3:73
so afew question..help me answer.

Hey I've been reading alot of posts in this section, and I have a few questions I cant find an answer to. ( yes i've searched and read the stickeys )

First off the car is an 87 iroc 350ci/700r4 with T-top. 136,xxx

1. Wich ac unit would I use? The stock ls1, or the stock 87 with a moddified braket.

2. How do you disconect the ac lines.

3. How do you disconet/ reconect the fuel lines?

4. Can the stock cruise controle be used?

5. Stock radator and dual fans could be uses?( I herd it could but some hole had to be drilled...where to drill and why?)

6. which wires would I pull from the 0BD I so install the OBD II?

7. are v6 springs actual needed in the front or could I uses my prokit.

8. what tools do need. (, just like wich cherry picker , spring compressor,
or any other specailty tools?

right now just gathering up as much info as I can. before anyparts are ordered.

but anyways thanks.
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Old Nov 16, 2008 | 01:21 AM
  #2  
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From: WA
Car: 1989 Camaro Iroc-Z
Engine: 305 TPI (LB9)
Transmission: 700R4
Axle/Gears: 2.77 posi
Re: so afew question..help me answer.

I'm going to guess based on your questions that you are planning to swap an LS1 into your car... If that is the case be sure to check out the "Sticky" at the top of the LTX and LSX swap section. Here's the link. It has a bunch of useful info. Also, down at the bottom of the sticky there is a link to another off-site LS1 swap guide. Be sure to check that one out too.

With that in mind, I'll give a shot at answering a few:
1. Wich ac unit would I use? The stock ls1, or the stock 87 with a moddified braket.
Usually people just go with the LS1 A/C compressor. I have not heard of using the third-gen compressor, but anything is possible with some fabrication (belt routing, bracket mounting, line up with other accessories, etc.)... Anyway, keep in mind that to use the LS1 compressor you will have to clearance the k-member (see the sticky).
2. How do you disconect the ac lines.
I can only answer this with regard to a stock 3rd-gen: You just grab a couple wrenches, and go at it. You can get the system discharged at a shop prior to disconnecting anything.
3. How do you disconet/ reconect the fuel lines?
Same as number two (for a 3rd-gen anyway). You just grab two wrenches and use one to hold one side of the fitting and one to loosen the other side.
4. Can the stock cruise controle be used?
I don't think so. I am not positive, but I think the LS1 cruise is electronic not vacuum based. Hopefully someone else will have a more conclusive answer on that for you on that.
5. Stock radator and dual fans could be uses?( I herd it could but some hole had to be drilled...where to drill and why?)
Yes, the stock radiator and fans can be used. I think you need different radiator hoses though (see the sticky). The hole you speak of, I believe, is for the LS1 steam tube. Here's one way to do it.
6. which wires would I pull from the 0BD I so install the OBD II?
Usually one uses the engine wiring harness from the LS1. That will take care of most everthing engine management related. See the sticky for more info.

Well, that is all the ones I have marginally useful answers to. Hope it point you in the right direction.

Last edited by BlueIroc-Z; Nov 16, 2008 at 01:29 AM.
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Old Nov 16, 2008 | 06:53 AM
  #3  
toxik IROC's Avatar
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From: M.D
Car: 1987 Camaro
Engine: 350 hsr
Transmission: 700R4(blown)
Axle/Gears: 3:73
Re: so afew question..help me answer.

Thank you for answering most of my questions, and yes Im planning a swap..... and ive read the stickes with mostly all the link tons of times....

planning to go as much plug and pay... i mean plug and play as i can. new kmember,speartec harness, and so on.

so anymore info would he helpful..

mo

~edit~ more questions!
so is the steam hole stock or i have to drill?and just redirect the cable?

With the fuel lines im under the impression that i can run, a wabrow 225 pump in the 3rd gen tank. and a vette fuel regulator?( part number 12554677) But can i uses all of my 3rd gen lines? and just uses some sort of fitting in the engine bay? Also do i need a return line?

which do people like better spohn k memeber or bmr and motor mounts too.

Last edited by toxik IROC; Nov 16, 2008 at 07:17 AM.
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Old Nov 16, 2008 | 08:23 AM
  #4  
SheldonZ28's Avatar
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From: Guelph, Ontario
Car: 89 IROC/05 RX8
Engine: LS1/LS1
Transmission: T56/T56
Axle/Gears: 3.42 GM/3.55 8.8
Re: so afew question..help me answer.

Originally Posted by toxik IROC
Thank you for answering most of my questions, and yes Im planning a swap..... and ive read the stickes with mostly all the link tons of times....

planning to go as much plug and pay... i mean plug and play as i can. new kmember,speartec harness, and so on.

so anymore info would he helpful..

mo

~edit~ more questions!
so is the steam hole stock or i have to drill?and just redirect the cable?

With the fuel lines im under the impression that i can run, a wabrow 225 pump in the 3rd gen tank. and a vette fuel regulator?( part number 12554677) But can i uses all of my 3rd gen lines? and just uses some sort of fitting in the engine bay? Also do i need a return line?

which do people like better spohn k memeber or bmr and motor mounts too.
~edit~ more questions!
so is the steam hole stock or i have to drill?and just redirect the cable?

The steam hole directs to the thirdgen rad. You just get a new hose & re direct it there.

With the fuel lines im under the impression that i can run, a wabrow 225 pump in the 3rd gen tank. and a vette fuel regulator?( part number 12554677) But can i uses all of my 3rd gen lines? and just uses some sort of fitting in the engine bay? Also do i need a return line?

No, you cant use all the thirdgen lines if you do this. You can run the thirdgen lines into the filter/reg at the back past that you will need to run new lines. Its not hard to do at all.

which do people like better spohn k memeber or bmr and motor mounts too.

Personally, i feel that BMR makes a better K, but for the LS swap mount K, id probably end up with a spohn unit.
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Old Nov 16, 2008 | 10:05 AM
  #5  
toxik IROC's Avatar
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From: M.D
Car: 1987 Camaro
Engine: 350 hsr
Transmission: 700R4(blown)
Axle/Gears: 3:73
Re: so afew question..help me answer.

So is their a way for me to run mostly 3rd gen lines? Or I have to start looking for fuel lines and the tools to bend em up?
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Old Nov 16, 2008 | 10:15 AM
  #6  
V8Rumble's Avatar
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From: 39.84N 105.11W
Car: '89 Trans Am GTA
Engine: WAS 350 - now L92 (alum. 378/6.2L)
Transmission: WAS 700R4, now a built T56
Axle/Gears: 3.27 9-bolt
Re: so afew question..help me answer.

Virtually all of your questions can be answered with a of this forum and this one.

Good luck.
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Old Nov 16, 2008 | 08:46 PM
  #7  
toxik IROC's Avatar
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From: M.D
Car: 1987 Camaro
Engine: 350 hsr
Transmission: 700R4(blown)
Axle/Gears: 3:73
Re: so afew question..help me answer.

edit

Last edited by toxik IROC; Nov 16, 2008 at 10:57 PM.
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Old Nov 16, 2008 | 09:25 PM
  #8  
ghettocruiser's Avatar
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From: PA
Car: 86 Trans AM
Engine: LS1 (not stock...)
Transmission: Built T56
Axle/Gears: Strange 12-bolt w/ 3.73
Re: so afew question..help me answer.

Do you want help on this forum? I was going to help until your last post. Telling V8 to "stfu"... Thats just childish.

You DIDNT search...and you DIDNT read the stickies...atleast not good enough. Know how I know? Because a lot of your questions are answered clearly in serveral threads including the sticky.

Know how I know your answers are there? Because I have plenty of threads myself...and its how I got alot of my info.

So please, do some MORE searching, and re-read the stickies. Apparently you know about LS1tech... There really isnt too much left undiscussed between the two sites. If you still cant find info, then come back with more questions. But I promise you, almost every aspect of the swap is covered in great detail.

Have fun!

J.

Last edited by ghettocruiser; Nov 16, 2008 at 09:39 PM.
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Old Nov 16, 2008 | 10:42 PM
  #9  
V8Rumble's Avatar
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From: 39.84N 105.11W
Car: '89 Trans Am GTA
Engine: WAS 350 - now L92 (alum. 378/6.2L)
Transmission: WAS 700R4, now a built T56
Axle/Gears: 3.27 9-bolt
Re: so afew question..help me answer.

It's sometimes kind of tough to find a balance here - on the one hand, you don't want to be a jerk, & on the other hand, you get a bit tired/annoyed with typing out the answers to the same bloomin' questions again...

I was hoping that I wouldn't come across as a jerk (which was why I included the 'good luck'), but apparently I did - so I apologize for that. But by the same token, the questions that you're asking are answered in a number of previous threads.

I think it's fair to say that all of us who have started this swap have already put several hours of searching & reading in before we ever really got serious about it (well, I would hope so anyway). And to tell you the truth, if you're doing it for the first time, I don't care HOW MUCH reading you've done, there are STILL things that don't show up on these threads, & are going to jump up & bite you in the rear. Everyone doesn't do things the same way (4th-gen tank vs. 'Vette regulator, etc.), & each of us has to deal with whatever the previous owner(s) may have done with our cars.

Perhaps it would help to divide the job into sections - say 'fuel system', 'exhaust', 'electrical', etc. & do the searches based on that. Like I said, I'm not trying to be a jerk, but the information truly is out there.

Again, good luck.
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Old Nov 16, 2008 | 11:09 PM
  #10  
ghettocruiser's Avatar
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From: PA
Car: 86 Trans AM
Engine: LS1 (not stock...)
Transmission: Built T56
Axle/Gears: Strange 12-bolt w/ 3.73
Re: so afew question..help me answer.

Yeah...people that know me know Im the last person to not want to help. But I dont like the "stfu" stuff when you were just offering advice. Yes there are things that show up that arent covered...but most of the initial questions dont fall into that category. Its info thats been covered a bunch.

The info has easily tripled since some of us started our swaps. And I still stand by the fact that 98% of the information is available between here and tech. And the other various sites that have info (google).

Anyway...maybe Im just being an ****. Or I could just be tired and grumpy. haha...

J.
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Old Nov 16, 2008 | 11:09 PM
  #11  
toxik IROC's Avatar
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From: M.D
Car: 1987 Camaro
Engine: 350 hsr
Transmission: 700R4(blown)
Axle/Gears: 3:73
Re: so afew question..help me answer.

Alright,
im sorry for reacting that way,but on the other hand I've read and rered the stickies and read them again. I guess I've missed these parts. Or this information just didn't stick with me.

But on the other hand, I don't realy enjoy people telling me " use the search botton" before I ever post ANY questions I do a search.

so in summery Im saying I am sorry ( v8rumble ghettocruiser and who ever eles I offended.) and acted like a little A-hole, and guess I'll be reading alot more now. I'm just trying to find out all the info I need before I buy any parts.



~if anyone wants to have a yelling match that they will win, instant message me @ toxik iroc ( on aim)
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Old Nov 17, 2008 | 06:41 AM
  #12  
ghettocruiser's Avatar
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From: PA
Car: 86 Trans AM
Engine: LS1 (not stock...)
Transmission: Built T56
Axle/Gears: Strange 12-bolt w/ 3.73
Re: so afew question..help me answer.

Originally Posted by toxik IROC
I'm just trying to find out all the info I need before I buy any parts.

~if anyone wants to have a yelling match that they will win, instant message me @ toxik iroc ( on aim)

Hahaha... Ok ok.. You're forgiven. Mainly for that last line making me laugh at 7am. haha... No yelling matches necessary.

Getting your info straight before you spend money is definetly the way to go. You are at an advantage because like I said earlier, there is a ton more info out right now than 4 or so years ago when I did my swap. I ended up wasting money and tons of time on the Hawks y-pipe...now that i flipped out online about it, everyone else is warned. haha.

The guys that did the swap back in 02 or around that time were really on their own.

As for your questions...I think you got some good answers on most of em. I dont know too much about the 3rd gen lines...because I ditched them for the LS1 lines. But, Im know for a fact you can leave the 3rdgen lines. I dont think you need the vette return system with the 3rdgen tank and lines. You need an adjustable pressure regulator that you mount in the engine bay. The regulator handles the return side of the system. If you run a 4th gen tank, you would use the vette set up, and just have one single feed line going up to the engine bay. Your return is handled back by the tank wtih the vette set up. If you go with the 3rd gen lines, and the auxilliary regulator, you will need to fab lines to connect the regulator to the fuel lines and to the fuel rail....unless they come in a kit somewhere. Not sure.

Your other two questions that werent covered.

7. are v6 springs actual needed in the front or could I uses my prokit.

Im running a prokit at all four corners. Made my stance perfect and level. Check my other threads for some pictures. I left all the isolators on top the springs in the front and the rear. These springs worked in both my first swap (87) and my current car (86). Not sure how it worked out so well...I was prepared to do some coil trimming or to remove isolators.

8. what tools do need. (, just like wich cherry picker , spring compressor,
or any other specailty tools?

You'll need your common garden variety cherry picker. Whether you decide to go from the top or the bottom, a 2.5ton hoist will work just fine. As for spring compressors...Ive never used one. I always put my springs in/out by lowering/raising the a-arm. The shorter prokit springs make this pretty easy...but I always chain the spring to the a-arm anyway, mostly because I like my front teeth. Just in case....


Its not too bad of a job. Once you get movin on it, you'll see. Its just intimidating when you try to look at the whole thing at the same time. Piece by piece, it'll come together.

J.
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Old Nov 18, 2008 | 08:39 PM
  #13  
toxik IROC's Avatar
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From: M.D
Car: 1987 Camaro
Engine: 350 hsr
Transmission: 700R4(blown)
Axle/Gears: 3:73
Re: so afew question..help me answer.

thanks for the info, if anyone has anymore info , that would be awsome!
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Old Nov 20, 2008 | 05:57 PM
  #14  
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Re: so afew question..help me answer.

Originally Posted by SheldonZ28
which do people like better spohn k memeber or bmr and motor mounts too.

Personally, i feel that BMR makes a better K, but for the LS swap mount K, id probably end up with a spohn unit.
Do u see any issues with using a BMR K-memeber with LS1 mounts. Looks like it will clear the A/C and Alt on the LS1 and it does not have issues with the centerlink not clearing the X-tube on the K-member.

It seems Spohn has this issue, plus nobody at spohn has given me a definite answer if the A/C and Alt will clear the K-memeber brace and its mounts !!

I know that the BMR K-memeber would require to get their tubular lower A-arms. ---additional costs

Any other isses with BMR ?
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