how to find finial compression
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how to find finial compression
How do you add each cyl compression to get the finial compression ratio of the engine.
"sorry if that didnt come out right"
example:
cyl1. 215 cyl2. 215 cyl3. 215 cyl4. 215 = x??
"sorry if that didnt come out right"
example:
cyl1. 215 cyl2. 215 cyl3. 215 cyl4. 215 = x??
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Re: how to find finial compression (CTR_B)
wait...you're trying to calculate your compression ratio based upon the results of a compression test?
because it doesn't quite work like that -- two different things.
because it doesn't quite work like that -- two different things.
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Re: how to find finial compression (CTR_B)
if you want to know if your engine is health following a compression test, all four numbers should be within factory spec (which depends on the motor you're running) and there shouldn't be much more than a 5% variation across the board.
if you want to know the compression ratio of the motor -- you need to go back to the link i originally sent you.
as far as i know, you can't accurately calculate compression ratio based upon the results of a compression test.
if you want to know the compression ratio of the motor -- you need to go back to the link i originally sent you.
as far as i know, you can't accurately calculate compression ratio based upon the results of a compression test.
#7
Re: how to find finial compression (CTR_B)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Phoenix_ITR »</TD></TR><TR><TD CLASS="quote">if you want to know if your engine is health following a compression test, all four numbers should be within factory spec (which depends on the motor you're running) and there shouldn't be much more than a 5% variation across the board.
if you want to know the compression ratio of the motor -- you need to go back to the link i originally sent you.
as far as i know, you can't accurately calculate compression ratio based upon the results of a compression test.</TD></TR></TABLE>
x2, these are 2 different things. However if you know your rings and such are good you can try this maybe. Your comp test should usually be 17-20 times that of your static compression ratio. If you are getting 215 as you example then thats deff high, so i would guess your comp ratio around 11 or 12.0:1
if you want to know the compression ratio of the motor -- you need to go back to the link i originally sent you.
as far as i know, you can't accurately calculate compression ratio based upon the results of a compression test.</TD></TR></TABLE>
x2, these are 2 different things. However if you know your rings and such are good you can try this maybe. Your comp test should usually be 17-20 times that of your static compression ratio. If you are getting 215 as you example then thats deff high, so i would guess your comp ratio around 11 or 12.0:1
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Re: how to find finial compression (z6hatchboy)
Lol well if you think 215 is high (upper 11's - low 12's) then I must be screaming high, 225-235 lol. I;m trying to finish my turbo setup an I have come to the comression part of it. Im trying to figure out how thick of a gasket to get. I dont want to guess and get one to thick, I want to be moderate with it.
#9
Re: how to find finial compression (CTR_B)
that is super high, lol. I've seen a d-series where the vitara pistons put them at 8.5:1 and it'll be at 160 in a comp test. You better get a amazing tune, lol.
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Re: how to find finial compression (z6hatchboy)
Cranking pressure represents dynamic compression. Cam profile, valve timing, etc. affects this.
As long as your results are consistent (and not very low), you're fine.
As long as your results are consistent (and not very low), you're fine.
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