robertst
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 posted on 27/2/06 at 11:24 AM |
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bit confused about gearboxes in the sierra
my 1987 sierra has a "type N" gearbox (according to the haynes manual) which means it has the fifth gear somewhere separated from the
gearbox itself. the "better" sierra (or ghia) had the MT75. so my question is, what is the type 9 gearbox?
will the type N I have fit the chassis?
thanks!!
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flak monkey
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| posted on 27/2/06 at 11:28 AM |
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T9 is the type to have. 5th gear is an overdrive ratio on it. The T9 is the most common gearbox used in locosts.
The MT75 is a bit of a squeeze in the chassis from what I have heard...
David
Sera
http://www.motosera.com
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oliwb
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| posted on 27/2/06 at 11:47 AM |
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Yeh the MT one is much bigger (wider) than the Type 9.....Think I'm right in saying that the type 9 is actually the type n same box just a
proper name and what most people know it as (type 9)....Either way whatever you've got and know to be working will be a better (and cheaper) bet
than trying to source another one etc etc.....HTH Oli.
If your not living life on the edge you're taking up too much room!
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zetec
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| posted on 27/2/06 at 12:07 PM |
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I've got a MT75 fitted in an MK chassis OK, Westfield also use it. If you are knocking your own chassis up it would be easy to make the tunnel
the right size for either.
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Dusty
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| posted on 27/2/06 at 12:20 PM |
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If it's a five speed rear wheel drive box then it has to be either a Type 9 or MT75 unless your 87 sierra happens to be a cosworth with a Borg
Warner T5 box in it and you didn't notice!
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JoelP
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| posted on 27/2/06 at 01:08 PM |
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the name type N rings a bell from somewhere. I could research it, but dont have time  i think its another name for the type 9 maybe.
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NS Dev
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| posted on 27/2/06 at 01:17 PM |
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yep, Type "N" = Type 9
dunno why haynes called it that!
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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MikeR
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| posted on 27/2/06 at 01:50 PM |
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my guess would be ....
Type N(ine)
someone did a boob on the writing up the manual / proof reading. Standard practice is to write numbers as words up to 10.
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robertst
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| posted on 27/2/06 at 04:29 PM |
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quote:
Originally posted by MikeR
my guess would be ....
Type N(ine)
someone did a boob on the writing up the manual / proof reading. Standard practice is to write numbers as words up to 10.
hahaha there u go!!! what a brain fart! Type N (nine) duh!
its really good to hear this box is easier to work with. thought mt75 was preferred!
thanks!
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NS Dev
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| posted on 27/2/06 at 06:33 PM |
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MT 75 is stronger and newer, but type 9 is smaller, easier to uprate, and used in a massive number of competition cars, so the better choice really.
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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TheKingofBling
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| posted on 28/2/06 at 11:33 PM |
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Type 9 vs Mt 75
Alot more options in terms of ratios with the type 9,
imho Built a chassis to take a mt 75 but use a type 9 box and fit the engine and box are far back in the chassis as possible.
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