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75 911s's Avatar
 
Join Date: Aug 2015
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Quote:
Originally Posted by obscene View Post
hey
Benny! After your drift car, you gotta go 3.4 with me!
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Duane

http://forums.pelicanparts.com/porsche-911-technical-forum/878569-born-75-me-my-new-911s.html
Old 09-10-2018, 09:51 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #41 (permalink)
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Originally Posted by 75 911s View Post
Benny! After your drift car, you gotta go 3.4 with me!
I'd have to sell it to afford the 3.2L!


I'm getting pretty good with the LS stuff though... Maybe I could just....
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Old 09-10-2018, 12:55 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #42 (permalink)
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Hi guys, my paint and interior is finished so I'm turning focus back to my 3.4 project.

I'm researching pistons and cylinder setups. My first question deals with compression ratio as it relates to pump gas. I think I'm pretty set on 10.5 and I'm liking the CP x-forged 98mm pistons. I can only get 91 pump gas here but I can get 100 octane at a station about 12 miles away. With 10.5 and a twin plug setup, I think I want to be running a bit higher octane than 91 correct? I'm also in a hot environment, I've heard this can lead to detonation. Will mixing the race gas in be a total pain? Will it be necessary? Can I squeeze by with 91 for road trips (here to Cali and back is all 91)

My second question is CP pistons in my Mahle 3.2 cylinders. EBS can bore and plate for a pretty good price but I came across a post about different alloy types. In a nutshell, Mahle uses a proprietary alloy, and the CP use 2618. The differences can cause slap, blowblack and excessive wear if the ring gaps are not perfect. So my question is, should I opt for more expensive Mahle pistons with the bored stock cylinders? or should I buy Nickies to go with the CP pistons? Or should I be fine with the CP pistons and modded mahle cylinders?

Thanks for any feedback.

As a side note, I'm looking at Pauter rods - the two I see are an F which is for stock dimensions and a FLT which is a lightweight version. The price is the same for both sets, why would anyone NOT buy the lightweight versions?
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http://forums.pelicanparts.com/porsche-911-technical-forum/878569-born-75-me-my-new-911s.html
Old 11-10-2018, 07:03 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #43 (permalink)
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