Testing waters on my sleeved B16 block

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Mar 25, 2010 | 09:21 PM

#11 (permalink)

InsaneCivicCoupe

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Thanks for the bumps... If anyone is interested I may be willing to sell the sleeved block alone with ARP head studs and main studs, main caps, girdle, etc...

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Mar 25, 2010 | 09:29 PM

#12 (permalink)

sprjit22

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Quote:

Originally Posted by InsaneCivicCoupe

I highly doubt your motor is 8:1 with 165-170psi compression... The easiest way to determine compression ratio based off cranking pressure is a simple formula... A 1:1 ratio is equal to 0 PSI. 14.7 PSI is equal to a 2:1 ratio. Just multiply your ratio by 14.7 to get PSI, or divide PSI by 14.7 to get ratio.

For example, 165psi / 14.7 = a ratio of 11.22:1 or 170psi / 14.7 = 11.56:1

Mine would be 120psi / 14.7 = a ratio of 8.16:1 or 125psi / 14.7 = 8.50:1

Hope that helps

That formula also go's hand in hand with a chart that gives you a range of cr's that it could be. If that formula was accurate a typical ls is roughly 190psi at 9.2 but if you use that formula it would come out to 12.9. My last build was a b20/vtec at 13.0-1 and it had a compression on 280 which would be a cr of 19.0.
Ill look for the chart that goes with the formula.

Either way it is a nice build.
bump

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What VP Race fuel's should we carry?

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Mar 25, 2010 | 09:41 PM

#13 (permalink)

sprjit22

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CR (psi) Range (psi)
6.5 96-114 18
6.6 98-116 18
6.7 100-119 19
6.8 102-121 19
6.9 104-124 20
7.0 106-126 20
7.1 107-129 22
7.2 109-131 22
7.3 111-134 23
7.4 113-136 23
7.5 115-139 24
7.6 117-142 25
7.7 119-144 25
7.8 121-147 26
7.9 123-149 26
8.0 125-152 27

TRY THIS ONE

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TR 5th Gen Civic CREW Member #14

T & C Racing

What VP Race fuel's should we carry?

FT Crew Mascot lol
Gotta love my hater fan club. I love the fact people worry about me 24/7 Ill never be forgotten. I love you guys.....

Mar 26, 2010 | 08:46 AM

#14 (permalink)

JoKiE crx4294

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numbers sound right, given the compression it has.

TTT

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Mar 26, 2010 | 11:58 AM

#15 (permalink)

InsaneCivicCoupe

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ttt

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Mar 27, 2010 | 02:16 PM

#16 (permalink)

InsaneCivicCoupe

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ttt

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Mar 28, 2010 | 09:07 PM

#17 (permalink)

InsaneCivicCoupe

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ttt

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Mar 30, 2010 | 12:21 PM

#18 (permalink)

InsaneCivicCoupe

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ttt

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Mar 30, 2010 | 02:15 PM

#19 (permalink)

YARO

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ttt

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Mar 30, 2010 | 02:24 PM

#20 (permalink)

InsaneCivicCoupe

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Make offers!!! Trades may also be considered for non sleeved block plus cash, or any other reasonable trades!!! Want this thing gone so I can build a bigger one