FABbot Kit to bolt an LS engine to an AR5 5speed possible in a third gen?
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Supreme Member
Joined: Apr 2002
Posts: 1,148
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From: Faribault, Minnesota
Car: 1989 IROC-Z
Engine: LS1
Transmission: T56
FABbot Kit to bolt an LS engine to an AR5 5speed possible in a third gen?
Looking to see if this path would be possible for an alternative to a T56? We all know T5’s are weak but apparently AR5’s can handle around 700 ft/lbs. I guess my question is to the transmission guys who are familiar with these transmissions is it physically possible to fit this transmission into a third gen?
https://www.fabbotfab.com/products/a...ission-adapter
https://www.fabbotfab.com/products/a...ission-adapter
Joined: Jul 2000
Posts: 6,522
Likes: 92
From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: FABbot Kit to bolt an LS engine to an AR5 5speed possible in a third gen?
The non-GM versions of that trans. are not a problem size-wise, unless you count shifter area.
I like their use of the 4L60 bell as an interesting re-use.
As for the ratios of the Solstice box, no thanks.
I like their use of the 4L60 bell as an interesting re-use.
As for the ratios of the Solstice box, no thanks.
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Joined: Dec 2006
Posts: 274
Likes: 12
From: Hoffman Estates Il
Car: '88 IROC T5 Vert ‘13 Vette
Engine: 305 TBI
Transmission: T5
Axle/Gears: 3:08
Re: FABbot Kit to bolt an LS engine to an AR5 5speed possible in a third gen?
Are there different versions of the AR5 trans that have different torque ratings?
The AR-5 is a 5-speed manual transmissionmanufactured by Aisin. It is designed for longitudinal engine applications and can handle up to 260 ft·lbf (353 N·m) of torque based on existing applications. [1]
General Motors used the AR-5 as RPO MA5.
The AR-5 is a 5-speed manual transmissionmanufactured by Aisin. It is designed for longitudinal engine applications and can handle up to 260 ft·lbf (353 N·m) of torque based on existing applications. [1]
General Motors used the AR-5 as RPO MA5.
Joined: Jul 2000
Posts: 6,522
Likes: 92
From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: FABbot Kit to bolt an LS engine to an AR5 5speed possible in a third gen?
OEM ratings and aftermarket ratings are different. You won't see an OEM TR6060 listed as 700lb-ft, but the T56 Magnum (a TR6060) is.
Their claim of the AR-5 being a 700lb-ft trans on the referenced site is a stretch. The bearing package is good, but the gearset just isn't as robust as a T56, let alone a TR6060.
Their claim of the AR-5 being a 700lb-ft trans on the referenced site is a stretch. The bearing package is good, but the gearset just isn't as robust as a T56, let alone a TR6060.
Joined: Sep 1999
Posts: 4,353
Likes: 308
From: NJ
Car: 92 Firebird
Engine: 4.8 LR4
Transmission: T56
Axle/Gears: 3.45 9 Bolt
Re: FABbot Kit to bolt an LS engine to an AR5 5speed possible in a third gen?
Definitely not a great transmission. On a cold day I couldn't get mine to go into 2nd gear in my Solstice
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