 Which engine? Subaru 2.5 STI/Subaru 3.0/Honda j35/ Honda k24, Building a weekend/track car, help me pick the engine |
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| rupert14 |
 Nov 27 2023, 07:15 PM
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Member  Group: Members Posts: 76 Joined: 25-December 04 From: Prescott AZ Member No.: 3,339 Region Association: Southwest Region  |
I am trying to decide which engine to swap into my 914. In the past I put a honda J35 in a baja bug and it would roast 33" tires all day long. It was a great engine for a baja bug. I have a local shop that is pushing me toward a subaru 2.5L STI turbo motor. I have also read about very happy owners of 3.0 flat six suby engines in the 914. A buddy of mine that runs NASA has a k24 in his car that puts almost 250hp to the ground with just cams. The good part about the k24 is that it is light.
I plan to just use it as a fun weekend car and once a month or so on track here in AZ for HPDE4. I am currently running a 2001 BMW 330ci at the track but I also have a speck e30 and a few street e30's. I want to be around 300hp (stock J35 is 300hp/300tq) and I am ok swapping the trans if necessary. My trans was recently gone through at a Mr. Evil gathering and is a strong side shift. I realize many of you have more experience than me with these engines so what is your vote? I will be adding a wide body and the fattest tires I can stuff in there. 1. Subaru 2.5 turbo STI motor 2. Subaru EZ30R 3.0 six 3. Honda j35 V6 4. Honda k24 inline 4 |
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| fasthonda |
Dec 5 2023, 12:06 PM
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914 Type R Group: Members Posts: 142 Joined: 10-January 04 From: Simpsonville, SC Member No.: 1,544 Region Association: None |
I vote K24. Perfect motor for sale on BringaTrailer.
https://bringatrailer.com/listing/honda-k24z7-engine/ I recommend you build it as a street car. Would be a much better investment. You can still track it, but also enjoy it anytime. With the K24 you are probably maxed out at 220 hp, but that's plenty for a 914. |
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Posts in this topic
rupert14 Which engine? Subaru 2.5 STI/Subaru 3.0/Honda j35/ Honda k24 Nov 27 2023, 07:15 PM
bahnzai You should talk Mike, @fasthonda
He put a f20c i... Nov 27 2023, 08:15 PM Chris914n6 Things to consider...
The stock 914 trans is max... Nov 27 2023, 09:53 PM rupert14 So it sounds like the best bet for occasional trac... Dec 1 2023, 05:20 PM tazz9924 If you go subaru make sure you get your oil right;... Dec 2 2023, 08:44 AM
76-914
If you go subaru make sure you get your oil right... Dec 2 2023, 09:55 AM BENBRO02 The K24 is a fantastic engine. I just sold my 2005... Dec 2 2023, 08:55 AM emerygt350 for the money spent I wonder how close a pmb/raby ... Dec 2 2023, 09:11 AM mlindner I'd go either Boxster or a air cooled 3 or 3.2... Dec 2 2023, 09:28 AM ClayPerrine A Boxster engine won't fit in a 914 chassis. ... Dec 6 2023, 11:21 AM Chris914n6
A Boxster engine won't fit in a 914 chassis. ... Dec 6 2023, 12:17 PM technicalninja I vote K24 as well.
That motor is possibly the bes... Dec 6 2023, 12:33 PM nimblemotorsports Most of the time the right answer is to use the en... Dec 6 2023, 08:51 PM fasthonda The Turbo charged EJ Subaru powered car currently ... Dec 7 2023, 01:48 PM Chris914n6
The Turbo charged EJ Subaru powered car currently... Dec 7 2023, 02:25 PM fasthonda https://bringatrailer.com/listing/1973-porsche-914... Dec 16 2023, 11:43 AM |
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