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308 Turbo to Trimatic Gearbox

Started by _MickR_ , Nov 21 2019 11:54 AM

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7 replies to this topic

#1 _MickR_

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Posted 21 November 2019 - 11:54 AM

Hi all, just new to the forum so please go easy on me if this is a stupid question.
I have a turbo block 308 and a trimatic gearbox to go in my LX. The adapter plate kits seem reasonably thick. If using one will everything still line up and bolt together ie: engine mounts, crossmember and tailshaft. Thanks Mick.

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#2 yel327

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Posted 21 November 2019 - 12:09 PM

No. Plus torque converter bolts snap. There are a few ways to deal with it, easiest is get the block pattern changed.

The adapter plates are 3/4” thick so your box moves backwards by that amount.

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#3 _MickR_

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Posted 21 November 2019 - 06:37 PM

Thank you, exactly what I needed to know. Cheers.

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#4 yel327

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Posted 21 November 2019 - 07:07 PM

There is a guy in West Sydney that redrills them as a complete engine. Look on Ebay.

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#5 mick_in_oz

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Name:Mick
Location:Western QLD
Car:LX Hatchback
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Posted 21 November 2019 - 07:27 PM

Torque Power do new replacement Trimatic Bellhousings to suit Chev pattern.

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#6 yel327

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Posted 21 November 2019 - 07:45 PM

The other option is to use a TH350 or 4L60 instead.

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#7 rexy

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Posted 21 November 2019 - 11:08 PM

Harrop in Melbourne did one for me a few years back. Was cheaper than buying a new bellhousing at the time.

Keep in mind that if you start chasing big power then at some stage you are going to wish you had a turbo pattern motor. Plenty more big power trans options.