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Old 02-26-2018, 08:28 PM   #1
Speedy Peets #4103 I/SA
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Default metric 200 chevy bolt pattern

looking for help for parts in the build of a metric 200, thanks!
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Old 02-27-2018, 11:24 AM   #2
Mike Jones
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Default Re: metric 200 chevy bolt pattern

There are a few posts on here about M200`s
not as many speed parts sources as there are for TH350-400
plenty of converter choices
The case gets a brace or bell housing
Visiting Scott Mclay Eng. will be educational
Dropping Mark Yacavone a line (after the poll is over, of course)
might get you on your way
Good luck
Mike A114

Last edited by Mike Jones; 03-01-2018 at 09:50 AM.
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Old 02-27-2018, 04:32 PM   #3
J.R. Haddad
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Default Re: metric 200 chevy bolt pattern

Tim Wudarczyk (785) 842-0865 Great Parts, Great Prices, Great Service,
and his Transmissions are FAST.
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Old 02-28-2018, 07:15 AM   #4
rod butcher
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Default Re: metric 200 chevy bolt pattern

Jack Sepanek 570-457-6517
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Old 02-28-2018, 11:26 AM   #5
Mark Yacavone
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Default Re: metric 200 chevy bolt pattern

Quote:
Originally Posted by Mike Jones View Post
Dropping Mark Yacavone a line (after the poll is over, of course)
might get you on your way
Good luck
Mike A114
Thanks, Mike

I still do build a few of them, but with my situation and location, I can't go out looking for cores. I'm sure there's still a few out there, but I never come across any.
All good guys mentioned in this thread, plus a few more. I've dealt with most of them.
For parts, I use Leo G. at Remac, Paul Forte, Sonnax, Transtar. Again, all good outfits to deal with.
Good luck
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Old 02-28-2018, 11:41 AM   #6
Dan Fahey
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Default Re: metric 200 chevy bolt pattern

How does the TH200 R4 differ from the 4L60E?
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Old 02-28-2018, 01:18 PM   #7
Mark Yacavone
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Default Re: metric 200 chevy bolt pattern

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Originally Posted by Dan Fahey View Post
How does the TH200 R4 differ from the 4L60E?
It differs by...everything .
It's a 700R4 with electric solenoids, computer operated.
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Old 02-28-2018, 03:53 PM   #8
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Default Re: metric 200 chevy bolt pattern

Quote:
Originally Posted by Dan Fahey View Post
How does the TH200 R4 differ from the 4L60E?
Basically a 200-4R is a 200THM with an overdrive gearset added in front of the 3spd guts . The 4L60-E is based on a 700-R4 which makes the 4 speeds using only 2 planetary gearsets , then adding an electronically controlled valvebody . The most common 4L60-E , has a Chevy bell , but there also is a smaller bell available to hook up to a 3800 V6 .
The 200-4R had two bellhousings available , a composite BOP/Chevy bell and a BOP only bell . All 200-4R's were old school with a governor controlled hydraulic VB .
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Old 03-01-2018, 09:00 AM   #9
Dan Fahey
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Default Re: metric 200 chevy bolt pattern

Quote:
Originally Posted by ss3011 View Post
Basically a 200-4R is a 200THM with an overdrive gearset added in front of the 3spd guts . The 4L60-E is based on a 700-R4 which makes the 4 speeds using only 2 planetary gearsets , then adding an electronically controlled valvebody . The most common 4L60-E , has a Chevy bell , but there also is a smaller bell available to hook up to a 3800 V6 .
The 200-4R had two bellhousings available , a composite BOP/Chevy bell and a BOP only bell . All 200-4R's were old school with a governor controlled hydraulic VB .
Thank you..
My car uses the 4L60E and can make changes via TunerCat.
Really like the 3.08 first gear to get my heavy car launched.

What kinds of modifications are done to these transmissions to reduce drag yet keep reliability?

D
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Old 03-01-2018, 01:01 PM   #10
ss3011
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Default Re: metric 200 chevy bolt pattern

Using an overdrive automatic , has a lot to do if you use 4th gear . If you don't , then it makes more sense to run a 3 speed and take advantage of lower weight , and less rotational inertia .
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