 3.6L? |
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| JimVG |
 Feb 2 2025, 03:18 PM
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Newbie  Group: Members Posts: 33 Joined: 10-October 24 From: Gig Harbor, WA Member No.: 28,402 Region Association: Pacific Northwest 
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Has anyone used a 89-98 911 3.6L case as the foundation for a 914 flat 6 build?
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| technicalninja |
Feb 4 2025, 02:43 PM
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Advanced Member Group: Members Posts: 2,377 Joined: 31-January 23 From: Granbury Texas Member No.: 27,135 Region Association: Southwest Region
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You should also look at Subaru conversions.
I'm not a lover of Subi but those are the most logical upgrade IMO. Both big 6 and turbo versions are doable, and a super simple NA 4 will make a quick dependable 914... Another possibility is the Honda K series. A recent thread regarding this: http://www.914world.com/bbs2/index.php?showtopic=372943 A k20 will be nearly 1" shorter than that K24 and with a turbo, 500 hp is not that hard to hit. That thread shows commercially available transmission adaption to stick a Honda K on a Boxster transmission. Engine to trans adaption is the HARDEST thing to overcome when sticking one OEM onto another. I'd like to install a 3.6l onto a Boxster 6 speed. Mine would be a GM LGX (huge torque curve/plateau?). Nobody makes adaption and that makes my idea MUCH more difficult. If you're not stuck on a Porsche engine the Germans tend to re-use things like bell housing patterns and there is a whole SLEW of German (Audi/VW/Bentley) stuff that will bolt up. Even the twin turbo W12 Bentley has a chance... Best guy to ask about this is Clay Perrine. |
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| sb914 |
Feb 4 2025, 03:08 PM
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#3
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Surf Guru Group: Members Posts: 4,430 Joined: 25-November 12 From: Brookings,Oregon Member No.: 15,191 Region Association: Southern California
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QUOTE(technicalninja @ Feb 4 2025, 12:43 PM)  You should also look at Subaru conversions. I'm not a lover of Subi but those are the most logical upgrade IMO. Both big 6 and turbo versions are doable, and a super simple NA 4 will make a quick dependable 914... Another possibility is the Honda K series. A recent thread regarding this: http://www.914world.com/bbs2/index.php?showtopic=372943 A k20 will be nearly 1" shorter than that K24 and with a turbo, 500 hp is not that hard to hit. That thread shows commercially available transmission adaption to stick a Honda K on a Boxster transmission. Engine to trans adaption is the HARDEST thing to overcome when sticking one OEM onto another. I'd like to install a 3.6l onto a Boxster 6 speed. Mine would be a GM LGX (huge torque curve/plateau?). Nobody makes adaption and that makes my idea MUCH more difficult. If you're not stuck on a Porsche engine the Germans tend to re-use things like bell housing patterns and there is a whole SLEW of German (Audi/VW/Bentley) stuff that will bolt up. Even the twin turbo W12 Bentley has a chance... (IMG:style_emoticons/default/first.gif) (IMG:style_emoticons/default/sawzall-smiley.gif) Best guy to ask about this is Clay Perrine. Or you can put a Ferrari engine in it . (IMG:style_emoticons/default/sawzall-smiley.gif) (IMG:style_emoticons/default/first.gif) |
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Posts in this topic
JimVG 3.6L? Feb 2 2025, 03:18 PM
SirAndy Many 3.6L 914s around these days. Some of which ha... Feb 2 2025, 03:27 PM JimVG Thanks for that. My reason for asking is that I am... Feb 2 2025, 03:39 PM
mepstein
Thanks for that. My reason for asking is that I a... Feb 2 2025, 04:13 PM ClayPerrine If you can, you are better off buying a complete c... Feb 2 2025, 05:38 PM Steve You can check out my recent build thread. I just ... Feb 2 2025, 08:09 PM JimVG Thanks to all for this information.
Is there anyo... Feb 4 2025, 08:25 AM technicalninja Tygaboy cheated!
He used a Ferrari transmissi... Feb 4 2025, 03:19 PM mb911 @mepstein always has 3.0 and 3.2 engines for sale Feb 4 2025, 06:30 PM Front yard mechanic You could always put a1.8 porsche engine in it lik... Feb 4 2025, 07:28 PM mate914
You could always put a1.8 porsche engine in it li... Feb 4 2025, 08:20 PM |
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