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Old 12-16-2008, 09:36 PM   #1
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89 gta ls1 t56 swap!

ok guys decided to move this to a dedicated swap topic instead of being under the kmember pics topic. I have some recent pics for ya ! Rats my pics want upload too big!!
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Old 12-23-2008, 08:14 PM   #2
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Re: 89 gta ls1 t56 swap!

Here ya go. You can resize your picture and save them as .jpg here.
drpic.com
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Old 12-29-2008, 06:48 PM   #3
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Re: 89 gta ls1 t56 swap!

ok took some more pics sorry for the delay!
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Old 12-29-2008, 06:51 PM   #4
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Re: 89 gta ls1 t56 swap!

more pics
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Old 12-29-2008, 06:56 PM   #5
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Re: 89 gta ls1 t56 swap!

im about to remove engine trans and k member and install cam and springs pushrods and oil pump . I am also going to paint engine bay with chassis black 2k and install jnm strut tower plates! I have to send wiring off or im debating on doing it myself to save the cash!! if i do it myself ill need help guys!! shoot me some comments or questions thanks for everyone's help!!!
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Old 12-29-2008, 08:49 PM   #6
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Re: 89 gta ls1 t56 swap!

Lets great man. I cant wait to put mine in. Its been sleeping for almost 5 years now
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Old 12-29-2008, 10:00 PM   #7
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Re: 89 gta ls1 t56 swap!

THanks spike!! your project looks outstanding and will be worth the wait!!
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Old 01-13-2009, 07:01 PM   #8
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Re: 89 gta ls1 t56 swap!

Ok guys what should i do ive got emails out for wiring ill weigh them in but thinking about doing it myself. chime in on your xperince and what you used or if you did it yourself. thanks Mike
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Old 01-13-2009, 10:45 PM   #9
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Re: 89 gta ls1 t56 swap!

Mike,
when you get a chance, could you post a pic: side view showing space between sump and k-member.
Thanks, Phil
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Old 01-14-2009, 12:15 AM   #10
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Re: 89 gta ls1 t56 swap!

didnt have a side view handy but here is a front
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Old 01-16-2009, 11:32 AM   #11
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Re: 89 gta ls1 t56 swap!

Mike-
Goood. Opens up some space, doesn't it?
How far from the sump, to the K-member?
F-car sump?
My nose is twitching.... I'll get to my swap soon......
Thanks again.
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Old 01-16-2009, 04:26 PM   #12
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Re: 89 gta ls1 t56 swap!

f car sump and yes it does and ill get a measurment
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Old 01-17-2009, 07:31 AM   #13
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Re: 89 gta ls1 t56 swap!

Mike-
Formula GPs????
And I thought I was the last of the Mohicans ;-)
My rears went out a few years ago. You should have heard Monroe when I tried to collect on my lifetime guarantee......
Bilsteins in the back now... and one of the struts has a spot...they wil be replaced.... guess you will be the last then.
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Old 01-17-2009, 03:07 PM   #14
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Re: 89 gta ls1 t56 swap!

well i loved mine when they were new. I only have about 20k miles on mine but one of the struts seem to respond slow i guess ill try bilstein
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Old 01-19-2009, 01:10 AM   #15
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Re: 89 gta ls1 t56 swap!

Mike-
You can have my good one, when I take them off, if you like.
I hope that will be later this year.
I've got miles and miles on mine. They were fine until going. The "spot" in the front does not bother everyday driving; just when you get some knots on the clock.
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Old 01-27-2009, 03:04 PM   #16
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Re: 89 gta ls1 t56 swap!

Quote:
Originally Posted by Mike Massey
I have to send wiring off or im debating on doing it myself to save the cash!! if i do it myself ill need help guys!! shoot me some comments or questions thanks for everyone's help!!!
Well, from everything I've read, doing the wiring yourself is definitely do-able - but if you decide to send it off, I've heard nothing but good things from people who've worked with John at Speartech. (In fact, he's the one who will be programming my ECM.)

Personally, I'm going to dive in & do it myself - not because I'm any kind of expert (ha!), but just because when something goes wrong, then I'll know more about it than if I'd sent it off... One tip that I've read is to create a spreadsheet that lists the different circuits, that way you can match the old to the new in the spreadsheet before you ever trim a wire.

Good luck, & keep the pics coming!
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Old 01-28-2009, 10:27 PM   #17
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Re: 89 gta ls1 t56 swap!

good advice on the spreadsheet i guess ill lay both harnessess out and lable and create a spreadsheet and start eliminating useless wires first egr etc and go from there!
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Old 02-08-2009, 09:26 PM   #18
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Re: 89 gta ls1 t56 swap!

k guys not alot of progress but i managed to clean the shop and organize tools and look at the ls6 intake swap and snap some pics drivetrain is comin out nxt.
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Old 02-15-2009, 09:47 PM   #19
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Re: 89 gta ls1 t56 swap!

got her pulled out today im about to start engine bay rehab!!
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Old 02-18-2009, 07:50 PM   #20
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Re: 89 gta ls1 t56 swap!

Ok guys latest update got the nelson performance racing stand alone harness from local member should have pics up tonight
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Old 02-18-2009, 10:21 PM   #21
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Re: 89 gta ls1 t56 swap!

pics
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Old 02-18-2009, 11:27 PM   #22
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Re: 89 gta ls1 t56 swap!

Good deal Mike, looks like it's coming along... (If you're anything like me, it can be tough to find time to work on it!)
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Old 03-15-2009, 01:38 AM   #23
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Re: 89 gta ls1 t56 swap!

MY buddy came over helped me make a little progress check it out
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Old 03-15-2009, 01:54 AM   #24
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Re: 89 gta ls1 t56 swap!

Cool - looks like your day & mine were pretty similar (Milestone)...
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Old 03-15-2009, 02:10 AM   #25
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Re: 89 gta ls1 t56 swap!

yes i see almost ironic now the work begins on to the wiring good job v8 looks great!! very sano
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Old 03-15-2009, 07:53 PM   #26
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Re: 89 gta ls1 t56 swap!

Congrats man! Looks like your baby has a new heart!
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Old 03-16-2009, 12:23 AM   #27
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Re: 89 gta ls1 t56 swap!

Thanks spike still got a ways to go but looking forward to getting her going my goal is by the end of may .
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Old 03-28-2009, 02:11 AM   #28
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Re: 89 gta ls1 t56 swap!

litlle progress mounting everything up and then will route wiring slooow
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Old 11-03-2009, 12:08 AM   #29
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Re: 89 gta ls1 t56 swap!

ok im back located ecm inside passenger compartment and about to complete wiring will update pics soon
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Old 11-03-2009, 03:08 AM   #30
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Re: 89 gta ls1 t56 swap!

Mike,did you get the hole drilled and get the wires in yet,or is that what you mean by"got the ecm inside passenger compartment"?wherever you`re at I`ll be off thursday and can give you a hand if you`re not busy.I know you`re as ready to get yours finished as I am to get my intake finished
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Old 05-05-2010, 12:24 AM   #31
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Re: 89 gta ls1 t56 swap!

Finally got an update Thank you pocket!! did a couple things different check the pics out
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Old 05-05-2010, 10:33 AM   #32
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Re: 89 gta ls1 t56 swap!

Looking good
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Old 05-05-2010, 11:26 AM   #33
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Re: 89 gta ls1 t56 swap!

Are you retaining the air conditioning?
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Old 05-05-2010, 12:06 PM   #34
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Re: 89 gta ls1 t56 swap!

What route do you plan on taking with the fuel system? do you plan on keeping the stock tank? or putting the LS1 tank in?
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Old 05-05-2010, 07:53 PM   #35
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Re: 89 gta ls1 t56 swap!

Definately keeping the ac for the fuel system i am using stock 3rd gen tank w 255lph pump deleted evap canister line and running vented tank cap. I am running the corvette filter/regulator with 6an line and adapters ill have pics soon. guys most of this info can be found following pockets swap. ps he did my wiring harness which so far has been a breeze and pleasure to use . cant say enough about his work and service ; definately reccomend him thanks .
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Old 05-11-2010, 09:36 PM   #36
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Re: 89 gta ls1 t56 swap!

QUICK UPDATE FUEL LINES RUN AND CORVETTE FILTER THANKS EVERYONE !!
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Old 05-11-2010, 09:43 PM   #37
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Re: 89 gta ls1 t56 swap!

last pic
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Old 05-11-2010, 10:11 PM   #38
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Re: 89 gta ls1 t56 swap!

Wheres the run video
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Old 05-11-2010, 10:36 PM   #39
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Re: 89 gta ls1 t56 swap!

Will do,as soon as i figure out why my starters not engaging!
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Old 05-11-2010, 10:53 PM   #40
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Re: 89 gta ls1 t56 swap!

http://www.austinthirdgen.org/mkport...n8_starter.jpg

Chain of events

Power dist block/fusible link
IGN switch
Starter relay
P/neutral switch or clutch switch
Starter

Find where you have 12v last in the system and bridge the rest
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Old 05-11-2010, 11:05 PM   #41
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Re: 89 gta ls1 t56 swap!

Thanks pocket will do ; ill have to check in tomorrow . its night night time lol
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Old 05-12-2010, 08:59 PM   #42
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Re: 89 gta ls1 t56 swap!

alright got voltage through the neutral safety switch nothing that leads to the purple wire that goes to te starter is this vats supposedly deleted?
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Old 05-12-2010, 09:30 PM   #43
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Re: 89 gta ls1 t56 swap!

VATS controls the starter relay. If you've got 12v past it, then VATS isnt your issue

Do a final test of 12v on the purple wire in the engine bay. It sounds like you've got a bad starter
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Old 05-12-2010, 11:52 PM   #44
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Re: 89 gta ls1 t56 swap!

ok get voltage through the clutch switch once depressed while depressing switch nothing to purple wire strange!! jump bat cable andt starter purple wire terminal and voila holy crap she fired and purred like a kitty!!!! i am toe up!!! but still need to get this figured out thanks pocket!!! my dream is becoming realityl
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Old 05-13-2010, 12:45 AM   #45
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Re: 89 gta ls1 t56 swap!

HELL YEAH!PROUD FOR YOU DUDE!
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2500 stall,3.42 gear,few suspension mods.
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Old 05-13-2010, 08:41 AM   #46
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Car: 1989 IROC-Z, 1979 Malibu Classic
Engine: LSx 5.3, GMPP 350/290 HP
Transmission: MN12 6-speed, TCI TH350
Axle/Gears: 4th gen 3.42

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Re: 89 gta ls1 t56 swap!

Did you do anything with the car's VATS? the starter enable relay is behind the driver's side kick panel, did you ground that relay or connect the two thick wires together? I know if you're getting voltage at the clutch switch then VATS wouldn't be an issue but i'm still curious with what you did to bypass that relay.

Last edited by dynodanmanda79; 05-13-2010 at 08:52 AM.
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Old 05-13-2010, 10:56 PM   #47
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Re: 89 gta ls1 t56 swap!

Took a screwdriver to the bat cable on the starter and touched the 12 volt switch terminal of the starter. yes i know a little ******* but worked like a dream lol
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1989transam gta black on black ,leather; hardtop/ls1 andt56 spohnk member hawks conversion header/skulte crossmember aussie nine bolt w 3.70's /all poly bushings with hotchkis springs and monrooe formula gp's all the way around.
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Old 05-14-2010, 08:37 AM   #48
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Car: 92 Firebird
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Re: 89 gta ls1 t56 swap!

Nothing wrong with bridging the starter. I skips all the starter circuit upstream and deals directly with the starter
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Old 05-17-2010, 08:35 PM   #49
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Re: 89 gta ls1 t56 swap!

quick update simply found a pigtail for the clutch switch cut and spliced the green and purple wires and relocated to the switch and BINGO!! just like pocket suggested . dude u are a tremendous contributor to this community and thanks!!
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Old 12-11-2010, 05:46 AM   #50
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Re: 89 gta ls1 t56 swap!

ok been a long time;got the engine fired but wasnt running correctly had fuel pressure issue. I had other projects to get to for my daughter and family .I just recently returned to the car dropped the tank and discovered the connection rubber hose had jellied and seperated causing my lack of fuel pressure she now runs great .! i am on to intake tube fabbing and xhaust!!
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Old 12-11-2010, 05:46 AM
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