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tb4.2 to td2.8 conversion

Tech Talk for Nissan owners.

Moderators: toaddog, V8Patrol

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Posts: 5
Joined: Sun Jul 12, 2009 11:04 pm
Location: Brisbane

tb4.2 to td2.8 conversion

Post by nissassin »

i would like to convert my tb4.2 auto into a td2.8 and keep the auto transmission, has anyone done this? do i need an adapter or does 2.8 bolt straight on? please help

cheers
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Re: tb4.2 to td2.8 conversion

Post by tna racing »

nissassin wrote:i would like to convert my tb4.2 auto into a td2.8 and keep the auto transmission, has anyone done this? do i need an adapter or does 2.8 bolt straight on? please help

cheers
why oh god why would you want to step back wards!!! :shock: :shock: :shock:

they have smaller gearboxes than the 4.2!!!

better off saving extra money and getting a td42t.

you would have to change engine mounts etc etc for the 2.8 as well affaik
1993 Gq lwb with added xtra's :) sold
fj60,lifted,35s,33s for daily, 3f power!
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Re: tb4.2 to td2.8 conversion

Post by bogged »

tna racing wrote:
nissassin wrote:i would like to convert my tb4.2 auto into a td2.8 and keep the auto transmission, has anyone done this? do i need an adapter or does 2.8 bolt straight on? please help

cheers
why oh god why would you want to step back wards!!! :shock: :shock: :shock:

they have smaller gearboxes than the 4.2!!!

better off saving extra money and getting a td42t.

you would have to change engine mounts etc etc for the 2.8 as well affaik
what he said.
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Post by beast of a GQ »

Nooooo dont do it.
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Location: MELBOURNE

Post by ironpipe »

NOOOOOO!!!!!! Trust me you dont want to put a 2.8td in it after re-building mine twice within 80.000km it went BANG again last week for the 3rd time and im now putting a V8 in to it .
Not even going to offer the 2.8 as a boat anchor

Going backwards like that would be a crazy thing to do

Just my two cents worth anyway..
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Re: tb4.2 to td2.8 conversion

Post by bigbluemav »

tna racing wrote:
nissassin wrote:i would like to convert my tb4.2 auto into a td2.8 and keep the auto transmission, has anyone done this? do i need an adapter or does 2.8 bolt straight on? please help

cheers
why oh god why would you want to step back wards!!! :shock: :shock: :shock:

they have smaller gearboxes than the 4.2!!!

better off saving extra money and getting a td42t.

you would have to change engine mounts etc etc for the 2.8 as well affaik
Also, what he and boggedy said! You'd be better of (and WAY cheaper!!) to rebuild the TB42. If you want a diesel, go a TD42T, they CAN be auto I think (asked bogged, I'm sure that's what he had/has).
Big Dave, Scarborough, Qld
Loose Screws 4wd Racing Team
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Post by lewie »

WTF are you guys doing to your 2.8s???
beer gimme gimme ! ! !
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Post by ironpipe »

lewie wrote:WTF are you guys doing to your 2.8s???
Getting rid of the peace of crap!!!!!!!!! :lol:

Whats good about them.
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Post by lewie »

fast enough, and good on fuel.
beer gimme gimme ! ! !
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Joined: Sun Jan 14, 2007 9:14 am
Location: Melbourne

Post by T_Diesel »

Why does no one answer his question and just pour shit on the 2.8 instead?

I had a 2.8 and it had 240,000 kms on it when I sold it, and it never missed a beat.
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Location: brisbane

Post by lewie »

i agree my brother and I both have 2.8s and they go and run great with a few mods.
beer gimme gimme ! ! !
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Location: /sydney

Post by zook4me »

my 2.8 has 216xxxkms and i have not had a problem with it and it runs 36s in the bush and ive had a many cars on the trailer behind it no probs my only suggestion is crawler gears for bush as they are not a power house :lol:
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Post by bigbluemav »

I own a 2001 GU with a ZD30, so I hear what you're saying; I've never had any dramas with mine and have a list of mods that (hopefully) grenade proof it.

That said, I would counsel someone AGAINST removing a TB42 and installing a ZD30, PARTICULARLY when the conversion will include changing the gearbox etc! For the same cost, or amybe a LITTLE bit more, he could get one the truly reliable motors on the modern 4x4 scene, TD42/TD42T.
Big Dave, Scarborough, Qld
Loose Screws 4wd Racing Team
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Location: /sydney

Post by zook4me »

i agree the td42 would be alot better im just saying that theres nothing wrong with the 2.8 but and the end of the day most of the time its easier and sometimes cheaper to just sell the car and buy one with the motor you want in it
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