Author Topic: SR18DE to a SR20DET CONVERTION????  (Read 4176 times)

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Offline 79Rod

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SR18DE to a SR20DET CONVERTION????
« on: Mar 3, 2006, 10:16AM »
My U13 SSS is really really going to dead.....I have problems with the transmission (second time), cancer is eating the fenders..And the fkn NISSAN DEALER never have parts..Someone is offering me 600$US without engine....
My question...: can i do a SR18DE to a SR20DET convertion????? How hard is it???
Or maybe a SR18DET will be more easy......
I readed once that SR18 and SR20 parts fit each other....just the pistons bore are different--it's that true----??? Actually Im running my SR18 engine with a SR20 head

Ohhh......the engine will go to my U12...

I really need an advice...or a lot

Offline noss

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Re: SR18DE to a SR20DET CONVERTION????
« Reply #1 on: Mar 3, 2006, 11:59AM »
as far as i'm aware, the sr20det is a straight swap over for the sr18de, all the mounts and everything should be the same..

might be better to ask fraz though.

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Offline fraz

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Re: SR18DE to a SR20DET CONVERTION????
« Reply #2 on: Mar 3, 2006, 10:04PM »
externally the blocks are nearly identical. You can bolt in the sr20 with no mods, but you will need to fit the loom and computer, and also fuel pump from the sr20det. You can run nearly any nissan fuel pump, you just have to open the top of the fuel tank and pull it out and swap it over.

To fit a u13 sr engine and box to a u12, you will need to widen the bracket that holds the mount on the timing chain end of the motor as the sr20 mount is slightly wider than the ca/ka mount. It can be done with a hammer, you need about 10mm extra width.
You should be able to use the u13 rear mount onto the u12 crossmember, and the u12 gearbox mount onto the u13 gearbox as all the u12 and u13 manual boxes are the same
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Offline 79Rod

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Re: SR18DE to a SR20DET CONVERTION????
« Reply #3 on: Mar 4, 2006, 09:58AM »
Im thinking in a sr20det turbo kit.....but what will be better.....

1. SR18DE with a turbo kit..(sr20det turbo kit)

2. Overbore my block to do a SR20DE..then a turbo kit



Offline 79Rod

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Re: SR18DE to a SR20DET CONVERTION????
« Reply #4 on: Mar 4, 2006, 10:02AM »
oh.....thank u fraz