Compression Ratio ???

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Jan 21, 2002 | 11:27 PM

vampirecat

Thread Starter

Protege Newbie

Joined: Jan 2002

Posts: 23

Compression Ratio ???

how can we make our protege5 with higher Compression Ratio

Jan 22, 2002 | 04:28 AM

ARD MP5

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Joined: Nov 2001

Posts: 632

From: Silicon Valley, CA. 95110

Higher Compression Piston Set

You need to get high compression pistons or shave the head. hehe. I'd get the pistons. Or you might just want to get a turbo and keep the low compression.

Rishie

Jan 22, 2002 | 11:39 AM

zeus

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Joined: Nov 2001

Posts: 151

From: Merritt Island Fl

You could always pull the head and have it decked to reduce the camber cc, and while its off have it ported and extrude honed. It would also be a good time to revalve with larger dia valves too.

Jan 26, 2002 | 10:36 PM

Eric F

Protege God

Joined: Sep 2001

Posts: 1,525

From: Evanston, IL

In this case, the simple answer is the best. FS-ZE pistons bump compression to 10.5:1, MazdaSpeed pistons to 10.7:1.

Jan 27, 2002 | 01:45 AM

vampirecat

Thread Starter

Protege Newbie

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Posts: 23

thank u guys....

does the it gain any hp?????

Jan 27, 2002 | 06:50 PM

Eric F

Protege God

Joined: Sep 2001

Posts: 1,525

From: Evanston, IL

Going from the stock 9.1:1 compression ratio to 10.5:1 should provide a nice boost in HP.

Mar 4, 2002 | 01:23 PM

vkyolv

Chunkin' tha Duece

Joined: Dec 2001

Posts: 275

From: Kingwood, TX

Quote:

Originally posted by Eric F
Going from the stock 9.1:1 compression ratio to 10.5:1 should provide a nice boost in HP.

What type of gain?

Mar 4, 2002 | 02:20 PM

Sweedenhouse

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Posts: 763

..and how much would it cost to have these installed?

Mar 4, 2002 | 02:46 PM

mkdxxx

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Posts: 109

From: Illinois

Compression

What is the compression of the MP3 Pistoles????

Mar 5, 2002 | 02:35 PM

#10

Eric F

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Joined: Sep 2001

Posts: 1,525

From: Evanston, IL

Re: Compression

9.1:1, same as all FP/FS protege engines.

Quote:

Originally posted by mkdxxx
What is the compression of the MP3 Pistoles????

Mar 5, 2002 | 06:48 PM

#11

mkdxxx

Protege Enthusiast

Joined: Feb 2002

Posts: 109

From: Illinois

What?!?

I thought that the MP3 had the higher compression pistons and the different cams???

Mar 5, 2002 | 08:23 PM

#12

StuttersC

That's me!!

Joined: Oct 2001

Posts: 337

From: Denver, CO

Re: What?!?

Quote:

Originally posted by mkdxxx
I thought that the MP3 had the higher compression pistons and the different cams???

Nope...They don't.

Mar 5, 2002 | 10:51 PM

#13

mkdxxx

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From: Illinois

So if the mP3's don't have the higher compression how do they get the power out of it.

Mar 6, 2002 | 12:10 AM

#14

mkdxxx

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Posts: 109

From: Illinois

Actually, I have but I don't ever remember seeing that the pistons are the same. Must have overlooked.

Mar 6, 2002 | 08:44 AM

#15

Sweedenhouse

Juggalo

Joined: Jan 2002

Posts: 763

Jesus Christ $1000 to void my warranty, ehhh I guess I won't be putting those pistons in anytime soon. Just bolts on for me baby.

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