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P100 2.9 V6 conversion

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Old Apr 17, 2016 | 07:31 PM
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Default P100 2.9 V6 conversion

Hi all,
I posted last year my P100 oil burner blew up, its fixed and ill run it for a bit.
I have bought a 2.9 V6 Granada auto complete and running great, I am going to swap the engine over to the P100.
engine swap first.
I have had a look on some posts and it looks straight forward
Question is which gearbox or hybrid box combi should I use, don't want to use the auto, is the p100 box no good to use?
I will upload some pics of the P100 and the Grandad before I start soon


Cheers Ian
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Old Apr 17, 2016 | 08:50 PM
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Just had another look around and I think an XR4i gearbox should work, will it all line up, input shaft, arms and release bearings etc?


Ian
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Old Apr 17, 2016 | 09:03 PM
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there is an XR4X4 5 speed box local to me would this work the same as a 2wd XR4i?


Ian
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Old Apr 17, 2016 | 09:24 PM
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From my understanding, and it's limited, you need either a Type 9 with the Forrest bellhousing or the box off the 2.9 providing it's a 2wd. I'm not sure if the 4x4 uses a transfer box outside or internally but I don't think the 4wd one will work.
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Old Apr 17, 2016 | 09:27 PM
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2.8i XR4x4 gearbox will not be any good unless you're going 4WD

2.8i Capri or XR4i 3 door box would be the easiest option.

You could splice a 2.9 XR4x4 MT75 front with the rear of a 2 litre RWD Mt75 to make a hybrid if you get stuck.
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Old Apr 19, 2016 | 08:16 PM
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Cheers for the info.
The Grandad donor arrives this weekend hey hey!
had a thought today - I could always use the auto box


Ian

Last edited by Ian1964; Apr 19, 2016 at 08:17 PM.
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Old Apr 19, 2016 | 08:31 PM
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Originally Posted by Ian1964
there is an XR4X4 5 speed box local to me would this work the same as a 2wd XR4i?


Ian
This is quite a big conversion if you are asking that question......not meaning to be rude.
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Old Apr 19, 2016 | 09:22 PM
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You also need a needle bearing for the 2.9 crank for the layshaft to run on,cars with autoboxes don't have them.
Cost Ł5 from Ford last time I bought 1.
Xr4i gearbox will be the easiest thing to slot in,I'd be more worried about wiring it up so it runs.
A 2.9 v6 cosworth engine would prob be easier to wire up,more power,nicer looking.
iirc the pre 1992 loom is the 1 you want.
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Old Apr 20, 2016 | 07:42 PM
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Caddyshack, no offence taken, it is a big job, I'll enjoy the challenge.
I'm 52 now and I would like to get the job done, modern technology gives me a chance to get the info I need before I strip down the donor car, I may sell the Grandad and buy a rotten sierra, all the info is out there and I am grateful to all on here.
I am not interested in a great handling pick up; just installing the big engine will do me fine for now.


Ian
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