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6 CYLINDER AND V8 T5

Started by _JNR_ATE_ , Nov 23 2006 12:36 AM

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10 replies to this topic

#1 _JNR_ATE_

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Posted 23 November 2006 - 12:36 AM

Hey guys, whats the difference between the V6 T5 trans and the V8 T5 out of say a VN. VN V8 seem to have the most T5 floating around, thats y i ask.
If nothing but the bellhousing, can they be swapped over to suit my 308.

Cheers
JNR_ATE

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#2 _MRNOS_

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Posted 23 November 2006 - 06:14 AM

Cant find my gearbox book atm, but from memory the v6 boxes have lower gearing then the v8's

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#3 TerrA LX

Fulcrum Fixture

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Posted 23 November 2006 - 07:43 AM

with T% boxes there are that many small differences it is advised to know the donor car and preferabily keep the clutch folk and tailshaft yoke with the box.
i think ford and chrysler are the worst for this.

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#4 _82911_

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Posted 23 November 2006 - 07:55 AM

There are no less than 4 different sets of ratios for the Locally delivered T5.Not to mention the imports.It depends on what it was behind from the factory.
As far as I know the only difference externally is that the V6 box has a longer input shaft.Internals should be the same v8 or v6 just different ratios....
Another thing to watch out for is the earlier T5's were not what is refered to as "world class" T5 .. meaning they were bushed not rollerized.. Stay away from these ones.
The easiest way to tell if the box is a world class is that it will have double synchros on 3rd.
If it is going behind a V8 then get a v8 box and save some hassle...
Oh... and there are 2 different bolt paterns to the front of box/bellhousing.
I believe the wider one is used on the Falcon 6, it is the same as theT5G that was in the Walkinshaw.Walky patern bellhousings are unique in that they are trimatic pattern.
The VR/VS v8 box uses the taller front bolt/bellhousing patern and the bellhousing is Turbo pattern...
That should be enough info to get you out of/into trouble!
If that didn't cover it... then ask away!!!

Cheers Greg..

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#5 Dr Terry

Technical + Numbers Guru + Moderator

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Posted 23 November 2006 - 08:04 AM

Hi 82911.

Is the bellhousing used in Brock A9L Group As, behind the T5G, the same as the XV2 (Walkinshaw).

Dr Terry.

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#6 _82911_

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Posted 23 November 2006 - 08:32 AM

Hi Dr Terry......love your work! :spoton:

As far as I know the casting is the same, but i think the Brock bellhousing has the identifier "HDT" added into the cast somewhere..

Cheers Greg..

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#7 gtrboyy

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Posted 24 November 2006 - 12:34 AM

Yes the brock bellhousings have hdt on them at the top & are trimatic bolt pattern.Other thing is that the shifter sits a little more forward on the walky boxes compared to the later vn-vs ones.

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#8 _JNR_ATE_

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Posted 24 November 2006 - 12:50 AM

all good info
Commo wrecker said there is at least 2 6 cylinder boxes and same for V8.
The T5G is wat i need beacuse the shifter is slightly more forward for the commodores,unfortuneatly i have Turbo pattern, the T5 in the VN-VS fits fine in the VN-VS because they went to a longer floor pan.

The T5 in a VH needs modifying of the tunnel to fit, shifter comes up right at the double rib in the hump, lol.

Cheers
JNR_ATE

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#9 _Oldn64_

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Posted 24 November 2006 - 01:26 PM

You did not here this from me but I think you can turn the shifter around..

I will need to dig my one out of the shed but I am sure it is possible.

Cheers

PS: (if you use a 6 cylinder ford box you get the ratios of a celica but the more strength) Plus with the right belhousing the shifter will mount in the right location..