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Holden v8 trimatic or turbo how to tell?

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Holden v8 trimatic or turbo how to tell?

Post by ZOOK60 »

Holden v8 trimatic or turbo how do i tell the difference between the too i have a v8 that i am selling but im not shaw wether its trimatic or turbo? Thanks Jake
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Post by mkpatrol »

Tri matic actually has GMH written on the tag on the side.

Turbo 350/400 usually has hydramatic stamped into the pan, if the pan has been changed then you will have to look at the pan shape to determine.

The Trimatics pan is more rectangular & deeper. Hydro is shallower but has a larger surface area.

Turbo 700 is large, rectangular & faily deep.

Google some pics.
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Post by 1MadEngineer »

trimatic is a "turbo" as well!!



TH180 - turbo hydromatic 180!!
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Post by ZOOK60 »

mkpatrol wrote:Tri matic actually has GMH written on the tag on the side.

Turbo 350/400 usually has hydramatic stamped into the pan, if the pan has been changed then you will have to look at the pan shape to determine.

The Trimatics pan is more rectangular & deeper. Hydro is shallower but has a larger surface area.

Turbo 700 is large, rectangular & faily deep.

Google some pics.
Sorry i didnt really make my self too clear im after what pattern the block is not gearboxs.
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Post by Pauwolf »

If it has 7/16" dowels it is a aussie pattern, 1/2" dowels is a turbo pattern

marks adaptors site has diagram on how to tell
http://www.marks4wd.com/images/products ... mage20.gif

or the whole page
http://www.marks4wd.com/products/engine ... ldenV8.htm

Paul
Last edited by Pauwolf on Tue Jan 29, 2008 11:43 am, edited 1 time in total.
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Post by mkpatrol »

Chev bolt pattern is further spaced than the Holden one. It is hard to tell just by looking at it.

253 or 308.

All 253's are Holden, most 308 manuals are Holden pattern while a good majority of Autos are Chev pattern except for later versions in bommadores where the turbo was not an option.

Do a search as I think this has been covered here before.
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Post by GQPatrol V8 »

mkpatrol wrote:Chev bolt pattern is further spaced than the Holden one. It is hard to tell just by looking at it.

253 or 308.

All 253's are Holden, most 308 manuals are Holden pattern while a good majority of Autos are Chev pattern except for later versions in bommadores where the turbo was not an option.

Do a search as I think this has been covered here before.

VN series V8's are all Chev Turbo pattern

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Post by mkpatrol »

GQPatrol V8 wrote:
mkpatrol wrote:Chev bolt pattern is further spaced than the Holden one. It is hard to tell just by looking at it.

253 or 308.

All 253's are Holden, most 308 manuals are Holden pattern while a good majority of Autos are Chev pattern except for later versions in bommadores where the turbo was not an option.

Do a search as I think this has been covered here before.

VN series V8's are all Chev Turbo pattern

Shane

Probably, because they went back to the US transmission (TH700) with them, I was assuming it was an early model with the lack of info as a VN 5 litre actually looks different (heads, rocker covers & such).
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Post by mkpatrol »

Pauwolf wrote:If it has 7/16" dowels it is a aussie pattern, 1/2" dowels is a turbo pattern

Paul
Oh & yes the dowels are different (it has been a long time since I looked :P )
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