Choosing Pistons?

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Nov 15, 2008 | 05:47 AM

#11 (permalink)

Old Renegade

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may want to use a little over bore piston wich can be had from honda.
.25 to make sure cylinders are perfecly round.
and yes your goal numbers can be attained from oem parts, speaking from 1st hand experience

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Nov 15, 2008 | 06:51 AM

#12 (permalink)

mtber

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Quote:

Originally Posted by Old Renegade

+2 on going .25 over

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Nov 16, 2008 | 02:09 PM

#13 (permalink)

alias

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Going .25 over for the work of doing that how much power would I get instead of going standard? Not sure if it's worth the cost.

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Last edited by alias; Nov 16, 2008 at 03:35 PM.

Nov 16, 2008 | 04:02 PM

#14 (permalink)

rangcrx

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if no N20 go 82mm then wisco or eBay Motors: ACURA INTEGRA TYPE-R VTEC 82.00mm PISTON RING KIT B18C5 (item 180297542867 end time Dec-07-08 14:34:24 PST) are great sets

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Nov 16, 2008 | 05:48 PM

#15 (permalink)

wolfenr1984

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Quote:

Originally Posted by rangcrx

if no N20 go 82mm then wisco or eBay Motors: ACURA INTEGRA TYPE-R VTEC 82.00mm PISTON RING KIT B18C5 (item 180297542867 end time Dec-07-08 14:34:24 PST) are great sets

Who makes these pistons? Who makes the rings?

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Nov 16, 2008 | 05:56 PM

#16 (permalink)

mtber

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Quote:

Originally Posted by alias

Going .25 over for the work of doing that how much power would I get instead of going standard? Not sure if it's worth the cost.

Going .25 over is not for power, its to ensure you have completely true cylinder walls..... It does not cost more for the pistons/rings that are .25 over bore.

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Nov 16, 2008 | 06:05 PM

#17 (permalink)

alias

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Oh okay I see I thought maybe you would have to bore out or hone the block to put .25 over size pistons in. If not I can see now that it would be better.

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Nov 16, 2008 | 06:15 PM

#18 (permalink)

mtber

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Quote:

Originally Posted by alias

Oh okay I see I thought maybe you would have to bore out or hone the block to put .25 over size pistons in. If not I can see now that it would be better.

You will have to bore out the cylinders to 81.25mm
Do your self a huge favor. Fork out the money to buy a Helms manual for an integra (gsr & ls). Then study the engine building portion like its a bible.

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Nov 16, 2008 | 06:15 PM

#19 (permalink)

ONE SICK EK9

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i think the jdm b16 pistons will have a lot of compression in that block check this link out this is the compression calc. should help alittle, if the link doesnt work. google honda compression calculator and look for the one on honda tech
www.c-speedracing.com/howto/compcalc/compcalc.php

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Last edited by ONE SICK EK9; Nov 16, 2008 at 06:19 PM.

Nov 16, 2008 | 06:39 PM

#20 (permalink)

Old Renegade

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Quote:

Originally Posted by ONE SICK EK9

it will have a lot of compression but the amount that you will have will be streetably safe. the compression would be around 11.5-11.8. its not like the ctr pistons that would put you in the 12.5 range in a 1.8 block.

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