2.7 /6 Core Engine, How bad can it be? |
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2.7 /6 Core Engine, How bad can it be? |
Todd Enlund |
Mar 12 2008, 12:03 PM
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#21
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Resident Photoshop Guru Group: Members Posts: 3,251 Joined: 24-August 07 From: Laurelhurst (Portland), Oregon Member No.: 8,032 Region Association: Pacific Northwest |
I'm looking for an engine for my car. I'm considering a 2.7 /6 conversion. The 2.7, despite it's possible problems, looks like it would be far less expensive than a 3.0 or later /6.
Problem is, I know very little about them. I know that they are notorious for pulled head studs. I know that the tensioner upgrade and turbo cam covers are desirable. Worst case, what am I looking at if I purchase a core sight unseen? Is it scrap? How much does machine work typically cost to rebuild a 2.7? Time-serts? My other options are a 2270 or a Subie. The Subie kills any chance of competitive racing, but the reliability looks promising. The 2270 would be in the distant future, as I don't have the funds for a complete engine right now. I figure I could build a 2.7/6 over time and fund it as I go step by step. Might take years. Any advice on the 2.7 option? |
sww914 |
Mar 12 2008, 12:20 PM
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#22
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Advanced Member Group: Members Posts: 2,439 Joined: 4-June 06 Member No.: 6,146 Region Association: None |
You can spend over 5K on a stock rebuild. It really depends on what's good and what isn't. The 2.7 was the biggest production motor built on a magnesium case. The aluminum cases are stronger. Here's a link with machining prices, I don't know anything about this machine shop other than they have a good list of prices.
http://www.germanprecisioninc.com/Price_Sheet.html If you want to learn about 6 cylinders, go to the pelican parts forum on 911 engine rebuilding, buy Bruce Anderson's book "Porsche 911 Performance Handbook" and buy Wayne Dempsey's 911 engine rebuilding book. You can get both used on Amazon or Ebay used for under $15.00 each including shipping, each will pay for it's self a hundred times over. |
Cap'n Krusty |
Mar 12 2008, 02:42 PM
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#23
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
You can spend over 5K on a stock rebuild. It really depends on what's good and what isn't. The 2.7 was the biggest production motor built on a magnesium case. The aluminum cases are stronger. ........................snip........................... It would be hard to spend UNDER $5k on a stock rebuild on a 2.7, if you were at all interested in doing it right ..................... The Cap'n |
sww914 |
Mar 12 2008, 06:05 PM
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#24
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Advanced Member Group: Members Posts: 2,439 Joined: 4-June 06 Member No.: 6,146 Region Association: None |
You can spend over 5K on a stock rebuild. It really depends on what's good and what isn't. The 2.7 was the biggest production motor built on a magnesium case. The aluminum cases are stronger. ........................snip........................... It would be hard to spend UNDER $5k on a stock rebuild on a 2.7, if you were at all interested in doing it right ..................... The Cap'n You're right, I forgot to say- if you do all the work yourself. Even then it's hard to stay under 5K. |
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