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> Porscheru Engine Choices, 2.2, 2.5, or 3.0 ??
R_u_dd
post Mar 9 2015, 10:45 PM
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Added a poll Here

Building a Porsche 914 with Subaru power and transmission Porscheru. Looking for a donor car with a 5mt transmission. I've considered many engine combos. The 2.0 wrx turbo is very popular for this build at 227 hp but I want NA power without the turbo lag. I've narrowed it down to these combos:

EJ22 99-2001 142 horsepower. Less power than I would like, but easy to find a car with a stick shift and fewer head gasket problems. Good potential for additional power. Strong motor.

SOHC 2.5 1990-2004 165 HP. This is a good power range for the lightweight 914 (2,400lbs). Easy electronics. The negative is frequent HG problems. The donor car is hard to find with a stick shift. If I buy a donor car with an automatic tranny, which 5mt will fit, just match the year?

EZ30D 2000-2003 212 HP. The donor car will need a tranny. Which should I buy?

So the big question is which donor would you buy and why? I don't want to buy individual parts if I can avoid it because it's much more expensive and the combinations might not work well together. Individual parts are about $2,000 but I think I can get a donor for around $1500.
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76-914
post Mar 10 2015, 03:14 PM
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The EZ30 is only 1.5" longer than the 2.5L 4 cyl. and slightly heavier. If buying from CoPart, search for "running" vehicles. 2 reasons; 1st you know it's a runner and 2nd, a running vehicle is cheaper to ship. I choose to shop the upper line model Legacy/Outback LL Bean model for my 6 because I figured this model was likely to have been "well cared for".
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R_u_dd
post Mar 10 2015, 07:04 PM
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QUOTE(76-914 @ Mar 10 2015, 02:14 PM) *

The EZ30 is only 1.5" longer than the 2.5L 4 cyl. and slightly heavier. If buying from CoPart, search for "running" vehicles. 2 reasons; 1st you know it's a runner and 2nd, a running vehicle is cheaper to ship. I choose to shop the upper line model Legacy/Outback LL Bean model for my 6 because I figured this model was likely to have been "well cared for".


The one thing holding me back thus far from buying the donor with the EZ30D is the auto transmission. Is this an easy swap to put a 5mt tranny in, using the ECU and wiring from the donor car? I have read that its the same ecu for the auto tranny car and manual tranny from 1999-2004 with cars running the EJ25. Another poster once mentioned that you just have to cut one wire to get the ecu to work with the manual transmission. So is it easy to just swap in a manual tranny?
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Posts in this topic
R_u_dd   Porscheru Engine Choices   Mar 9 2015, 10:45 PM
rnellums   I went the EZ30D route. I bought parts piecemeal,...   Mar 9 2015, 11:16 PM
R_u_dd   Great info. Ian has info on the 30R and it sounds...   Mar 9 2015, 11:33 PM
rnellums   Great info. Ian has info on the 30R and it sound...   Mar 9 2015, 11:41 PM
gryphon68   I would get the longest geared transmission you c...   Mar 10 2015, 05:47 AM
Scarlet75   Posted this in the Nasioc forum: Building a Pors...   Mar 10 2015, 07:33 AM
brant   Posted this in the Nasioc forum: Building a Por...   Mar 10 2015, 07:38 AM
76-914   [quote name='Scarlet75' post='2157661' date='Mar ...   Mar 10 2015, 08:35 AM
R_u_dd   What auction site? The auction site I use ...   Mar 10 2015, 08:36 AM
Scarlet75   [quote name='Scarlet75' post='2157661' date='Mar ...   Mar 10 2015, 08:47 AM
R_u_dd   Ok this is what I did. I found an auto auction on ...   Mar 10 2015, 08:31 AM
Chris H.   BIGKAT_83 has an EZ30R engine he was thinking abou...   Mar 10 2015, 07:51 AM
gryphon68   BIGKAT_83 has an EZ30R engine he was thinking abo...   Mar 10 2015, 03:49 PM
DBCooper   The Canbus electrics have made it impossible to us...   Mar 10 2015, 09:18 AM
OU8AVW   I'm planning a Suby conversion on my '89 W...   Mar 10 2015, 10:31 AM
Scarlet75   I chose the self repair option. I am in no rush to...   Mar 10 2015, 11:22 AM
mepstein   I bought a running SVX for $500. For $10...   Mar 10 2015, 11:23 AM
76-914   The EZ30 is only 1.5" longer than the 2.5L 4 ...   Mar 10 2015, 03:14 PM
R_u_dd   The EZ30 is only 1.5" longer than the 2.5L 4...   Mar 10 2015, 07:04 PM
rnellums   The EZ30 is only 1.5" longer than the 2.5L ...   Mar 10 2015, 07:48 PM
partwerks   The EZ30 is only 1.5" longer than the 2.5L 4...   Aug 7 2022, 07:51 PM
porschetub   The EZ30 is only 1.5" longer than the 2.5L ...   Aug 7 2022, 10:39 PM
76-914   The EZ30 is only 1.5" longer than the 2.5L ...   Aug 8 2022, 09:52 AM
effutuo101   2004 2.5L NA motor would be an easy fix and instal...   Mar 10 2015, 03:44 PM
Chris H.   Right, the engine in his car is an EZ30D (the car ...   Mar 10 2015, 03:58 PM
Chris H.   It's very easy to use a manual trans with an E...   Mar 10 2015, 07:51 PM


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