 Subaru conversion from a Buick swap |
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| Darrensells |
 Aug 23 2019, 03:19 AM
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#1
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Newbie  Group: Members Posts: 4 Joined: 4-August 19 From: San Antonio, TX Member No.: 23,345 Region Association: Southwest Region  |
I recently purchased a 1970 914 that was converted to a 3.8 Buick in 1982 but only completed to 90% finished. I am almost finished but the engine has to come out due to timing cover gasket leaking. I am considering changing it all out to a Subaru 6cyl and 5speed Subaru transmission. What donor car should I seek to complete this project? Can I use the engine cradle from the 3.8 Buick? Will it be modifiable? Thanks.
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| Chi-town |
Aug 23 2019, 01:46 PM
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#2
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Senior Member Group: Members Posts: 851 Joined: 31-August 18 From: Disneyland Member No.: 22,446 Region Association: Southern California |
The mounts are in a completely different area and can't be added to the V6/V8 style mount.
Currently only Renegade is making a bolt in cradle at $1k each |
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| Darrensells |
Aug 23 2019, 01:51 PM
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#3
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Newbie Group: Members Posts: 4 Joined: 4-August 19 From: San Antonio, TX Member No.: 23,345 Region Association: Southwest Region |
QUOTE(Chi-town @ Aug 23 2019, 02:46 PM)  The mounts are in a completely different area and can't be added to the V6/V8 style mount. Currently only Renegade is making a bolt in cradle at $1k each My mechanic says since so much has been invested into the Buick 3.8 setup, I should keep it with a 3.8 GM. He makes some good points. It would be cheaper. Just need a newer fuel injected engine. The 77 Regal engine does not have a lot of power and it is carb. |
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| Chris H. |
Aug 23 2019, 03:11 PM
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#4
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Senior Member Group: Members Posts: 4,070 Joined: 2-January 03 From: Chicago 'burbs Member No.: 73 Region Association: Upper MidWest 
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QUOTE(Darrensells @ Aug 23 2019, 02:51 PM) QUOTE(Chi-town @ Aug 23 2019, 02:46 PM) The mounts are in a completely different area and can't be added to the V6/V8 style mount. Currently only Renegade is making a bolt in cradle at $1k each My mechanic says since so much has been invested into the Buick 3.8 setup, I should keep it with a 3.8 GM. He makes some good points. It would be cheaper. Just need a newer fuel injected engine. The 77 Regal engine does not have a lot of power and it is carb. And the Renegade cradle is designed to work with the 901 trans I think...you can't use the Subaru trans unless they have updated it. There are a couple of great 3.8 Buick V6 cars on the board...check Phoenix-MN and pjhaun. There was also a white 4.3 Vortec floating around a LONG time ago that was very nice. Not a bad idea to stick with the Buick and just find a higher performance engine. Much easier than starting over. The challenge is that it's nearly impossible to find a 5 speed EZ30D Subaru donor, in fact I have never seen one. This means you have to source the trans from one car and the engine/wiring harness/other stuff from another. And the wiring....oh the wiring.... (IMG:style_emoticons/default/headbang.gif) . If you were starting with a bare shell that would be fine, but you have an almost completed swap already. Totally up to you though...the EZ30D is a VERY good engine and the Subaru trans is a significant upgrade. |
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Posts in this topic
Darrensells Subaru conversion from a Buick swap Aug 23 2019, 03:19 AM
Porschef :wttc:
A few guys have done that here, I’m su... Aug 23 2019, 04:45 AM 76-914 I used an EZ30D from a 2003 LL Bean Outback. IIRC,... Aug 23 2019, 07:47 AM Chi-town :agree:
You will not be able to use anything fro... Aug 23 2019, 10:16 AM
Darrensells [quote name='Chi-town' date='Aug 23 20... Aug 23 2019, 11:02 AM porschetub
The mounts are in a completely different area an... Aug 23 2019, 04:49 PM PatrickB My mechanic says since so much has been invested i... Aug 24 2019, 12:38 PM mepstein It just depends what your goals are. There's a... Aug 23 2019, 02:19 PM Chi-town There are no 5 speed EZ30D, Subaru never made one.... Aug 23 2019, 04:01 PM jb6000 From a practicality and cost point your mechanic i... Aug 25 2019, 09:12 AM 914forme 3.8 GM engine is a fine engine, I would go EFI and... Aug 25 2019, 11:40 AM Darrensells
3.8 GM engine is a fine engine, I would go EFI an... Aug 25 2019, 11:57 AM whitetwinturbo ......research "bad penny" for inspirati... Dec 2 2019, 11:30 PM |
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