View Full Version : need help with piston part number
masonhenson
05-12-2010, 01:42 PM
i just bought a motor, b16a2, with eagle rods and je pistons, the piston part number is 149213, what kind of compression will this thing make with a b16 head??
all help will be super repped!!
here ya go man.
pn#:149213
B16A1,A2,A3 Si, 81.50mm (.020) Bore, 10.5:1 CR, 5.7cc Dome
masonhenson
05-12-2010, 11:33 PM
yeah thats what i found, i was hoping i was wrong, this is too high for boost, but not quite enough for all motor is it?
uhh its a little in between. you can possibly go boost, but u cant go doing 20 lbs now lol.
Barefoot
05-13-2010, 12:00 AM
je doenst have a piston with that model srp does.
an if thats the case
here ya go man.
pn#:149213
B16A1,A2,A3 Si, 81.50mm (.020) Bore, 10.5:1 CR, 5.7cc Dome
sry but your figures are not correct
http://www.jepistons.com/Catalogs/SRP/Honda-Acura/b16a1-a2-a3.aspx
last on the list
it will also give a comp of 10.386953889798464:1
masonhenson
05-13-2010, 12:05 AM
uhh its a little in between. you can possibly go boost, but u cant go doing 20 lbs now lol.
well crap, i wanna go heavy NA, so looks like ima need higher compression pistons to run big cams right? like pro2s
je doenst have a piston with that model srp does.
an if thats the case
sry but your figures are not correct
http://www.jepistons.com/Catalogs/SRP/Honda-Acura/b16a1-a2-a3.aspx
last on the list
it will also give a comp of 10.386953889798464:1
ahh dam ur right. i got the wrong spec's and info. sry about that
masonhenson
05-13-2010, 12:41 AM
so thats like stock compression? the top of these pistons look like this /\
whats the point if its stockish compression?
if you wanna go na crazy. id go for a 12.5:1 or something around there
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