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LY6 with T56

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Old Nov 27, 2010 | 04:54 PM
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Default LY6 with T56

For anyone who has done this swap, what starter did you use?
LY6 mated to a T56 out of a 2005 GTO with an LS7 clutch setup

I just finished installing my clutch behind the LY6 and mounted up the bellhousing. When I tried to install the LY6 starter, it wouldn't fit. If I pull the bellhousing off, the starter will mate up fine and work with my LS7 flywheel.
But the area where the bellhousing bumps out to allow the starter in is about a half inch too high.
So did anyone shave the bellhousing or use a different starter?

Thanks guys
Jim
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Old Nov 27, 2010 | 06:25 PM
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The GTO bellhousing requires that the GTO starter be used.
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Old Nov 27, 2010 | 08:41 PM
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Crap, that's what I figured.
Thanks
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Old Nov 28, 2010 | 02:16 AM
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What if your using a camaro t56? Ill be mating a ly6 to a 98-02 fbody t56. Looking at starters on car-parts and it lists starters for a 2000 camaro ls1 as using starters for the trucks and vans too. Am I going to have to get another starter or is this issue a gto t56 issue?
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Old Nov 28, 2010 | 11:51 AM
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Someone else posted on another thread that the Fbody bellhousing should be OK but the GTO bellhousing wont' work with an LY6 starter... So I think you're all set.
All I know is that the LY6 starter will not work with a 2005 GTO bellhousing. the starter is about a 1/2" too low from the bump on the bellhousing

Has anyone shaved the bellhousing to get the clearance? I'd prefer not to drop another $200 for a GTO starter if I can just spend some time grinding down the bellhousing.
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Old May 20, 2011 | 10:31 PM
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Default ly6 flywheel bolts

did you have a problem finding bolts to mount your flywheel i am doing this swap and bought arp bolts and they were too short
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Old May 21, 2011 | 01:44 AM
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Originally Posted by dick nasty
did you have a problem finding bolts to mount your flywheel i am doing this swap and bought arp bolts and they were too short
Did you engine come with a spacer behind the stock flexplate? Mine did and I had to pull it off. The end of the crank should be almost flush with the back of the engine. Havent put the flywheel on yet but my Arp bolts look like theyd be fine. The threads on the crank come all the way to the mating surface of the flywheel.
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Old May 21, 2011 | 06:49 AM
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Not sure if this helps but with a quicktime camaro t56 bell the stock L92 starter fits up fine. I have the camaro starter too so thats what im running but thought it worth the mention
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Old May 21, 2011 | 07:22 PM
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Originally Posted by tiresmokinV8
Did you engine come with a spacer behind the stock flexplate? Mine did and I had to pull it off. The end of the crank should be almost flush with the back of the engine. Havent put the flywheel on yet but my Arp bolts look like theyd be fine. The threads on the crank come all the way to the mating surface of the flywheel.
thanks smoking you were right the spacer from the auto was still on there i didnt even know that was on there i pulled the flywhheel back off and the spacer came off with the trowout bearing in it thanks i owe you a beer
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Old May 24, 2011 | 08:25 PM
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I am having trouble with this also.

I have an LM7 and a T56 (TUET2066) from an 04' GTO.

I bought a Powermaster 9201 (All LS models)

I bought an Exedy/LUK flywheel/clutch combo.

Bolted up the flywheel to the crank and the starter up to the block and it looks (haven't popped the starter plunger out to see if it engages) but it eyeballs right up.

Tried to bolt up the bell housing up and the lower starter shroud hits the lower starter hump on the bell.

I would rather NOT get another starter (GTO) because the damn Powermaster is brand new and I don't wanna dick with it. lol.

Can the starter shroud be taken down till it fits in the bell hump? The Powermaster has these "fins" cast into the starter shroud but if you look at the GTO and other models, theyre smooth. I would bet that if it were smooth, it would fit. Its really close to fitting.....around 3/16-1/4" or so.
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Old May 24, 2011 | 08:33 PM
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Just for reference.

Here is the PDF from Powermaster. Note the line for the Chevy/Pontiac LS engines and the line below that noting for 4.8/5.3/6.0 trucks. Both note as taking the 9201 which obviously is not correct.

Also here is a thread from 2008 noting the main external difference between the T56 bells for the GTO and the F-body bells is the GTO bell uses a smaller starter opening for a Mitsubishi starter and the F-body starters do not fit.

I work just down the road from Powermaster so I will call them tomorrow and raise the question and will report back what I find out. If I have stumbled upon this and so did the OP, I am sure there are many more out there on the interwebs that also have fallen upon this same issue.

I am hoping they reply "ohhh well yeahhh. on the GTO's you have to knock down the outside of the starter shroud with a carbide burr and itll plug right in there"

http://www.powermastermotorsports.com/StarterApp.pdf

https://ls1tech.com/forums/manual-tr...6-gto-t56.html
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Old May 25, 2011 | 12:48 PM
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I just got off the phone with Bradey in tech over at Powermaster and he said that the GTO is the only one the starters do not fit. So in the PDF where it says "Chevy/Pontiac" he admits is misleading since the GTO is a Pontiac just like the Firebird is but the GTO is not an F-Body. He says it should read LS based F-Body cars instead of a blanket statement "Chevy/Pontiac LS"

He also said its OK to take down the starter shroud (cone) to the first step (take off the fins) in strategic areas to get it to fit. Said not to take it down TOO MUCH though and not to go past the depth of the first fin. If more needs to come off, take it off the bell housing starter bump.
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