Anyone know what values to look for in compression test on early miata's?

b.wallach · 05-02-2008, 12:31 AM

I'm looking to buy a older Miata and want to do a compression test but don't know what these engines are showing so any help would be appreciated. Thanks
Is there anything else I should look at that are inhearent to these years, The one I'm looking at is a 95.

Raj · 05-02-2008, 09:31 AM

I believe that anything over 140 is good. I'll need to double check that though to be 100%

95 was a good year, I know many people that are very happy with that vintage.

b.wallach · 05-05-2008, 07:37 PM

Thanks, I wasn't able to run the check, didn't know the spark plugs were so far down, my gauge wouldn't fit. But the Spark plugs had a very good color and couldn't find anything else wrong with it. Single owner car that took good care of it so I bought it. It's a fun car to drive. Have to get it insured and title transfer and then take it up to a mountain road in the area to see what it's like.
The only thing It needs is a cd player, has a casette player and I gave those up long ago. Wonder how hard it is to change them out? Guess I'll find out one of these days.
But thanks again for the reply...
Brandon

05-02-2008, 12:31 AM	#1 (permalink)
b.wallach Junior Member Join Date: May 2008 Posts: 16	Anyone know what values to look for in compression test on early miata's? I'm looking to buy a older Miata and want to do a compression test but don't know what these engines are showing so any help would be appreciated. Thanks Is there anything else I should look at that are inhearent to these years, The one I'm looking at is a 95.

05-05-2008, 07:37 PM	#3 (permalink)
b.wallach Junior Member Join Date: May 2008 Posts: 16	Thanks.. Thanks, I wasn't able to run the check, didn't know the spark plugs were so far down, my gauge wouldn't fit. But the Spark plugs had a very good color and couldn't find anything else wrong with it. Single owner car that took good care of it so I bought it. It's a fun car to drive. Have to get it insured and title transfer and then take it up to a mountain road in the area to see what it's like. The only thing It needs is a cd player, has a casette player and I gave those up long ago. Wonder how hard it is to change them out? Guess I'll find out one of these days. But thanks again for the reply... Brandon

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05-02-2008, 09:31 AM	#2 (permalink)
Raj Member Join Date: Jun 2007 Posts: 39	I believe that anything over 140 is good. I'll need to double check that though to be 100% 95 was a good year, I know many people that are very happy with that vintage.