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5.3 w/T-56

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Old Nov 2, 2013 | 08:27 PM
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Default 5.3 w/T-56

What flywheel do I use

My uncle who has worked in dealership for like 30 years as long as you get the flywheel for that engine you don't have to worry about balancing the flywheel
Since the 5.3 never was offered with a manual
What do I do for flywheel
Especially if I wanna go aluminum
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Old Nov 2, 2013 | 10:33 PM
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I guess I should have just asked that question for the 6.0 lq4 or 9

And I'll be putting this combo in an 89 Formula
Firebird
What do I need to do for driveshaft as well
Will a 4th gen for the t-56 work or do I have to go
Custom
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Old Nov 3, 2013 | 12:45 AM
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I bolted an LQ4 flywheel onto my LM7 right out of the box with no issues. I believe the LS engines are internally balanced.

Many people suggest having the flywheel balanced with the pressure plate bolted on for a little extra safety margin, especially if you plan to rev high.
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Old Nov 3, 2013 | 10:44 AM
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I used an ls1 clutch and flywheel along with the t56.
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Old Nov 3, 2013 | 12:30 PM
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Use an Fbody Clutch Package.
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Old Nov 3, 2013 | 12:33 PM
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No stick 5.3's???
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Old Nov 3, 2013 | 01:40 PM
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Originally Posted by 72VenturaII
No stick 5.3's???
Yep,only 4.8 and 6.0 trucks could be had with a manual trans and they're not that easy to find,at least around here.
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Old Nov 3, 2013 | 10:26 PM
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Theroretically isn't the 6.0 Lq4/lq9( I know the lq9 is a HO) essentially the exact same as the 6.0 Ls2 with different pistons cam intake and what not, so why wouldn't an LS2 flywheel work
I mean I know they are all the same block with insane amounts of interchangeable parts
As were all 265-400 Chevy

I know off the flywheel topic
But all things considered with heads all being interchagbale and same ports
There is no reason I shouldn't be able to run 4th gen ls1 trans am or camaro headers on a 5.3 in a 3rd gen

But seeing as how there are a few replies to this thread and seeming to be flywheels off of all different engines on different interchangeable engines and not having problems
So I should be fine with whatever I get
I don't plan on spinning past whatever factory redline is on either the 5.3 or 6.0 and generally only at the track
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Old Nov 3, 2013 | 11:57 PM
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You are starting to see the light.
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Old Nov 4, 2013 | 05:15 AM
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The truck flywheels are thicker and drilled for a truck specific clutch. Not sure if it will clear the T56 bell.
The iron block 5.3, 6.0, etc engines are configured the same as an LS1, 2, 7, etc (except 99-00).
Use an LS1 flywheel/clutch combo.
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Old Nov 4, 2013 | 08:07 AM
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I use an LS7 flywheel clutch combo and LS1 pilot bearing
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Old Nov 4, 2013 | 10:17 AM
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I had an LS7 clutch kit on my LS1. And just swapped it over to my LQ4. As long as its the short crank, it fits fine, no issues. Its a HEAVY flywheel/clutch assembly. Thats the only issue I have with it.

The 4th gen driveshaft will fit provided you have the correct u-joint for the rear. Just check. If not, you can get a conversion joint if need be. But I think it'll bolt right in if you have a stock rear with stock yoke.

My only other piece of advice is skip the pilot bearing and get a pilot BUSHING. It will work fine for you, and if for some reason something happens, the bushing will take all the abuse instead of your trans input shaft. I had a boo-boo with mine where one of the alignment dowels between the trans and bell got pushed through. So my trans wasnt lined up, and it completely wallowed out the bushing. But the shaft was great, new bushing, fixed the dowel and all was well. A bearing would have destroyed my input shaft.

Get one for a 69 Camaro 396 or something. Most auto stores will have them for super cheap.

J.
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Old Nov 4, 2013 | 12:48 PM
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Thank all I've pretty much got the info I need to get the tranny and diff together

It was the original 3.27:1 limited slip in it
So driveshaft will speak with the right universal
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Old Nov 4, 2013 | 01:09 PM
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Originally Posted by Kemmerer29
Thank all I've pretty much got the info I need to get the tranny and diff together

It was the original 3.27:1 limited slip in it
So driveshaft will speak with the right universal
Sorry has the original 3.27:1
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Old Nov 4, 2013 | 08:31 PM
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Torque arm?

What do I do for a torque arm.
Car actually didnt come with one the guy couldn't find amongst the 6 zircons he had
So I I need to do anything with the torque arm please let me know.
Will the factory torque arm work or do I need something else

I was thinking of just getting a new tubular torque arm
My 82s torque arm was mounted to the back of the tranny didnt mind that too much.
Will the t-56 be the same or will it mount to the crossmember or can the owner decide that
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Old Nov 4, 2013 | 08:57 PM
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I would mount it to the Crossmember. I assume this is an Fbody?
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Old Nov 4, 2013 | 09:36 PM
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Originally Posted by the_merv
I would mount it to the Crossmember. I assume this is an Fbody?
Yes 89
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Old Nov 4, 2013 | 10:10 PM
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Look for one that mounts to the Crossmember...soooo much better.
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Old Nov 4, 2013 | 10:20 PM
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Ok that works
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Old Nov 4, 2013 | 10:51 PM
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I don't imagine it matters if I get a driveshaft from a t-56 that was linked to an LT1 or LS1 since I don't imagine they change the tail shafts just cause they went to a different engine.
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