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Old 03-20-2004, 04:13 AM
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R154 to small block chevy

I just did a search on the forum, found a post that covered this but confused myself!!!????!!

I have a toyota r154 manual gearbox I want to mate to a small block chevy 350.
Can anyone tell me which bellhousing/adaptor plate to use and details of a clutch set-up would be helpful.
The engine will be rebuilt to around 350 hp and maybe later 100hp nitrous - will this transmission handle it? The car won`t be used for hard strip launches but will be used on the street with an occasional track day. The car weighs around 1100kg.
I have also heard of an upgrade involving a "thrust washer" in the gearbox - anyone have any info on that?

Thanks

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Old 03-21-2004, 08:41 AM
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Nobody know?
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Old 03-21-2004, 09:59 AM
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Hmm, tried to remember the web site for "advancedadaptors", but can't seem to find it. Oh well, sorry!
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Old 03-21-2004, 12:38 PM
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Jmark

Thanks for replying - thought everyone was ignoring me

I found the website....

http://www.advanceadapters.com

If I find the right info there I will post on this topic so it is available for others

Thanks
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Old 03-22-2004, 02:46 PM
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Doh

Having read the original post the information was already there...

http://hotrodders.com/showthread.php...highlight=r154

Now - got to find a clutch
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Old 02-21-2011, 11:36 AM
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Adapator plate for r154 - 350 chevy

Hi mate

Can you tell me if you did get the adaptor plate and clutch if so where ?

Snipes427
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Old 02-21-2011, 02:20 PM
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Quote:
Originally Posted by snipes427
Hi mate

Can you tell me if you did get the adaptor plate and clutch if so where ?

Snipes427

Snipes... Welcome to Hotrodders.com

You have posted to a near 7 yr old thread.
__________________
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Old 02-21-2011, 05:33 PM
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Quote:
Originally Posted by snipes427
Hi mate

Can you tell me if you did get the adaptor plate and clutch if so where ?

Snipes427
Hi

In the end I made up my own plate.
I milled a steel adapter plate to mate the tranny to a stock GM bellhousing. It took a while, but managed to keep it all within 0.02" and used 2 taper pins to lock the plate in position to the bellhousing.
It`s a while back now, but seem to remember having to machine a little off the length of the input shaft.
I turned a new brass spigot bush for the end of the crank.
I used a Zoom clutch (10.4" IIRC) and a stock Supra clutch disc. There was a difference in outside diameters of the disc and pressure plate, but it seems to work ok.
The stock clutch arm and release bearing worked fine.

Everything seems to work fine and the car has been on the road almost 2 years now and done around 6000 miles. Hard launches are fine with no clutch slip or judder.
The engine puts out around 380hp, similar torque although I never went for nitrous.
I`m quite surprised how the clutch handles the power considering they are mostly stock parts in there. I think it helps that the car is light - around 2300 pounds.
Time will only tell how long it will last.

Hope this helps.
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Old 02-21-2011, 05:36 PM
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Quote:
Originally Posted by Crosley
Snipes... Welcome to Hotrodders.com

You have posted to a near 7 yr old thread.
Hi Crosley

I still lurk around here for time to time.
I am also still subscribed to this thread.
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Old 02-21-2011, 06:22 PM
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Originally Posted by dutch paul
Hi Crosley

I still lurk around here for time to time.
I am also still subscribed to this thread.
yes, I know that.
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Old 02-22-2011, 12:51 PM
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r154 gearbox to mate 350 engine adaptor

Hi Mate

Thank you for the info it is very useful especially about the clutch. if you have any pictures I would appreciate (blade_3921@msn.com)

Many thanks
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Old 02-23-2011, 04:40 PM
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Quote:
Originally Posted by snipes427
Hi Mate

Thank you for the info it is very useful especially about the clutch. if you have any pictures I would appreciate (blade_3921@msn.com)

Many thanks
I`m sorry - I never took any pics.
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Old 03-13-2011, 08:59 AM
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http://www.355nation.net/forum/engin...oming-out.html



Greg
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Old 03-13-2011, 09:52 AM
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Quote:
Originally Posted by snipes427
Hi Mate

Thank you for the info it is very useful especially about the clutch. if you have any pictures I would appreciate (blade_3921@msn.com)

Many thanks
Adapter:

http://www.novak-adapt.com/catalog/kit_gmax15.htm

Bellhousing:

http://www.advanceadapters.com/produ...llhousing-kit/

You can get the clutch disk with Toyota splines from Advance Adapters as well as the pilot bushing.

Greg

Last edited by Greg55_99; 03-13-2011 at 09:58 AM.
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