 Suby convertion, Transmission/Engine choice |
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| DavidSweden |
 Sep 12 2015, 01:00 AM
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#1
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Member  Group: Members Posts: 479 Joined: 8-June 14 From: Sweden Member No.: 17,452 Region Association: Scandinavia  |
I am considering doings Suby conversion. I want to keep it simple and plan to use the Subaru transmission and stock ECU. I am currently looking for a donor car. This is all a bit new to me so I need to get some input from those who can
Questions Transmission. There are a number of cheap donor cars advertised with high/low transmissions will this type of transmission work? Engine: I am thinking about using EJ20 2.0 NA engine 125 hp is this a good choice and has anyone used a 1.8 or is this engine too underpowered? Appreciate some input Thanks |
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| mgp4591 |
Sep 12 2015, 01:49 AM
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#2
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914 Guru Group: Members Posts: 5,369 Joined: 1-August 12 From: Salt Lake City Ut Member No.: 14,748 Region Association: Intermountain Region 
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I'm of the mind that if I'm doing a conversion, I go with the most hp I can get- it all fits into the same space and there's all kinds of options. You still have to run coolant lines and everything so if you can get it for a good price, go for it and have fun!
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| DBCooper |
Sep 12 2015, 07:26 AM
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#3
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14's in the 13's with ATTITUDE Group: Members Posts: 3,079 Joined: 25-August 04 From: Dazed and Confused Member No.: 2,618 Region Association: Northern California |
I agree. Overall cost isn't going to be much different and it's the same amount of work so why not start with the stronger engine? The EJ engines are a good basic choice, current, easy to find, strong, and relatively easy to add power with cheap cams, injectors, etc if you eventually want it. And you will. No matter what, EVERYONE wants more power.
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| 76-914 |
Sep 12 2015, 07:46 AM
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#4
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,495 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California
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If you want a NA 4cyl, I'd go with the 2.5. Powerful (165hp/165fpt)and economical. Your spot on about buying a donor. Take everything off the donor(except the paint & seats) before you send it to the scrap yard. If you can store the donor whilst converting, even better. If done correctly, You will never regret converting.
On the other hand, if you are seeking an easy 125hp then beef up the old Type V clanker. (IMG:style_emoticons/default/beerchug.gif) |
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| DavidSweden |
Sep 12 2015, 10:57 AM
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#5
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Member Group: Members Posts: 479 Joined: 8-June 14 From: Sweden Member No.: 17,452 Region Association: Scandinavia |
QUOTE(76-914 @ Sep 12 2015, 05:46 AM)  If you want a NA 4cyl, I'd go with the 2.5. Powerful (165hp/165fpt)and economical. Your spot on about buying a donor. Take everything off the donor(except the paint & seats) before you send it to the scrap yard. If you can store the donor whilst converting, even better. If done correctly, You will never regret converting. On the other hand, if you are seeking an easy 125hp then beef up the old Type V clanker. (IMG:style_emoticons/default/beerchug.gif) Yes you are probably right a 2.5 is a better choice. A lot of the donor cars available have gearboxes with high/low selectors are these gearboxes suitable? Appreciate if someone can answer this question. Thanks |
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| 914forme |
Sep 12 2015, 05:30 PM
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#6
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Times a wastin', get wrenchin'! Group: Members Posts: 3,896 Joined: 24-July 04 From: Dayton, Ohio Member No.: 2,388 Region Association: None
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Wow your talking old subarus. Find something in the 2000s that someone has stuffed. NA cars in rest of world format will most likely be SAWD boxes just like ours. Imprezzas over here all have SAWD, and lots are 2.5s, now finding them with out autos is a bigger pain.
Not sure if you have a company like CoParts over there, but this makes finding a donor in the states super easy. |
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