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Old 03-01-2013, 11:41 PM   #1
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Default 01 compression?

im going to use the 01 miata pistons in my escort gt build and was wondering what these would bump my compression too? for my class i race in the max i can have is 225 so wondering how close i will be to that with these pistons.
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Old 03-01-2013, 11:54 PM   #2
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I found the answer in .27 seconds according to google.
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Old 03-01-2013, 11:54 PM   #3
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Originally Posted by cameron22 View Post
im going to use the 01 miata pistons in my escort gt build and was wondering what these would bump my compression too? for my class i race in the max i can have is 225 so wondering how close i will be to that with these pistons.
225 what? your probably about to be put on blast. The compression ratio is common knowledge a very simple search will yield your answer.
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Old 03-02-2013, 12:04 AM   #4
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10:1 you'll be lucky to break 147whp.
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Old 03-04-2013, 11:06 PM   #5
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yes i know they are 10:1 but how does that transfer into PSI, the max we can have is 225PSI and i want an idea at where these pistons would put me
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Old 03-04-2013, 11:32 PM   #6
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Search for 01+ miata compression test results and take the highest you find? That won't answer your question (or really give you a clue) if your head is shaved, you need to calculate that based on YOUR engine.
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Old 03-04-2013, 11:34 PM   #7
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Quote:
Originally Posted by cameron22 View Post
yes i know they are 10:1 but how does that transfer into psi, the max we can have is 225psi and i want an idea at where these pistons would put me
12679458319654323874515432

You'll be well under 225psi.
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Old 03-04-2013, 11:53 PM   #8
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Search for 01+ miata compression test results and take the highest you find? That won't answer your question (or really give you a clue) if your head is shaved, you need to calculate that based on YOUR engine.
this is why im asking about the pistons because my head is in the machine shop now and i want to have an idea on how much just the pistons will raise the comp, before i go to far on the head
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Old 03-04-2013, 11:59 PM   #9
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From the 01 service manual:




What this means in your engine, who knows. But this is what you want to see, right?
Attached Thumbnails
01 compression?-screen-shot-2013-03-04-10.57.06-pm.png  
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Old 03-05-2013, 01:07 AM   #10
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Originally Posted by thebeerbaron View Post
From the 01 service manual:




What this means in your engine, who knows. But this is what you want to see, right?
Yes thats exactly what i wanted to see, thanks!
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Old 03-05-2013, 10:51 AM   #11
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Quote:
Originally Posted by thebeerbaron View Post
From the 01 service manual:




What this means in your engine, who knows. But this is what you want to see, right?
+props for this post.
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