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 Board index » Technical » F & H Series Engine Chat

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MINISTOCK
 Post subject: F22A CYL HEAD MACHINING NEW COMPRESSION RATIOS
PostPosted: Mon Jan 25, 2010 10:51 am 
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I RACE A ALL MOTOR 1990 HONDA ACCORD F22A6 AT A HIGH BANKED 3/8 MILE PAVED TRACK. MY QUESTION IS HOW MUCH CAN THE HEAD BE MILLED TO BUMP UP COMPRESSION. MY HEAD GASKET IS APPROX 0.026". THE BLOCK IS GETTING DECKED. I'M THINKING MORE COMPRESSION MORE POWER MORE OCTANE=BETTER PERFORMANCE

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MY HONDA - http://www.MYSPACE.COM/492565232
FULL OUT ATTACK ON THE 2010 SEASON
1990 HONDA ACCORD 2.2l 16v SOHC F22a6 NON V-TEC 2400lbs
IN LIKE A GENTLEMAN, OUT LIKE A MAD MAN

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Integraguy04
 Post subject: Re: F22A CYL HEAD MACHINING NEW COMPRESSION RATIOS
PostPosted: Mon Jan 25, 2010 11:15 pm 
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i wouldnt go more than .0015...because then you have to worry on piston to valve clearance

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94 Red Acura Integra B20/Vtec
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MINISTOCK
 Post subject: Re: F22A CYL HEAD MACHINING NEW COMPRESSION RATIOS
PostPosted: Tue Jan 26, 2010 5:28 pm 
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DOES ANYONE KNOW OF ANY PAGES WITH A COMPRESSION CALCULATOR?¿ STOCK CC VOLUME IS 50cc FOR MY HEAD..MY REPLACEMENT HEAD GASKET IS THE SAME THICKNESS AS OEM :banghead

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MY HONDA - http://www.MYSPACE.COM/492565232
FULL OUT ATTACK ON THE 2010 SEASON
1990 HONDA ACCORD 2.2l 16v SOHC F22a6 NON V-TEC 2400lbs
IN LIKE A GENTLEMAN, OUT LIKE A MAD MAN

Last edited by MINISTOCK on Thu Jan 28, 2010 8:42 pm, edited 1 time in total.

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Integraguy04
 Post subject: Re: F22A CYL HEAD MACHINING NEW COMPRESSION RATIOS
PostPosted: Wed Jan 27, 2010 1:53 pm 
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c-speedracing.com

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94 Red Acura Integra B20/Vtec
1991 Honda CRX Si ITR - Sold :(
DD - 2004 Nissan Pathfinder 4x4

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MINISTOCK
 Post subject: Re: F22A CYL HEAD MACHINING NEW COMPRESSION RATIOS
PostPosted: Wed Jan 27, 2010 5:03 pm 
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THANKS FOR THAT PAGE.. LOOKS LIKE WITH 0.010" CLEAN UP IT WILL BUMP COMPRESSION FROM 8:5:1 TO AROUND 10:1 IN THAT AREA..i DON'T KNOW THE PISTION COMPRESSION VALUE? NOW I COULD USE TRACK GAS(115 OCTANE) HOPEFULLY WITH NO PINGING? :huhu

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MY HONDA - http://www.MYSPACE.COM/492565232
FULL OUT ATTACK ON THE 2010 SEASON
1990 HONDA ACCORD 2.2l 16v SOHC F22a6 NON V-TEC 2400lbs
IN LIKE A GENTLEMAN, OUT LIKE A MAD MAN

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Integraguy04
 Post subject: Re: F22A CYL HEAD MACHINING NEW COMPRESSION RATIOS
PostPosted: Wed Jan 27, 2010 7:12 pm 
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you should use race gas (100+) over anything that is 12.5:1 compression

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94 Red Acura Integra B20/Vtec
1991 Honda CRX Si ITR - Sold :(
DD - 2004 Nissan Pathfinder 4x4

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MINISTOCK
 Post subject: Re: F22A CYL HEAD MACHINING NEW COMPRESSION RATIOS
PostPosted: Sat Jan 30, 2010 8:42 pm 
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I FOUND THIS CHART. OCTANE VS COMPRESSION RATIO. HERE IS A LINK http://www.motorsportsracingfuels.com/OctaneCalculator.htmlTO A PAGE WITH A GAS BLENDING CALCULATOR IT GIVES YOU MIXING RATIOS HIGH,LOW OCTANE.


Attachments:
Octane_Requirement.gif
Octane_Requirement.gif [ 5.56 KB | Viewed 4639 times ]

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MY HONDA - http://www.MYSPACE.COM/492565232
FULL OUT ATTACK ON THE 2010 SEASON
1990 HONDA ACCORD 2.2l 16v SOHC F22a6 NON V-TEC 2400lbs
IN LIKE A GENTLEMAN, OUT LIKE A MAD MAN
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Integraguy04
 Post subject: Re: F22A CYL HEAD MACHINING NEW COMPRESSION RATIOS
PostPosted: Sun Jan 31, 2010 11:08 pm 
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thats not correct

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94 Red Acura Integra B20/Vtec
1991 Honda CRX Si ITR - Sold :(
DD - 2004 Nissan Pathfinder 4x4

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honrod
 Post subject: Re: F22A CYL HEAD MACHINING NEW COMPRESSION RATIOS
PostPosted: Sun Jan 31, 2010 11:13 pm 
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looking for info on setting timing on 96 honda orthia, B20B eng. any ideas????
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 Board index » Technical » F & H Series Engine Chat

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