Jay Jackson

Does it matter which timing belt cover to use b16a or the one that came with the B20b bottom end or do I need one from an ls block. Reason iam asking because my cam gear timing is off a little bit every time I try to align it its still off about a tooth iam using the B20b lower cover.

kyden

if you're using a usdm obd2 oil pump, use an obd2 cover. (doesn't matter which b series)

if you're using a jdm or obd1 usdm oil pump, use an obd1 cover.

if you're doing mechanical timing, i would remove all covers and use the mark on the oil pump.

Jay Jackson

Iam using a usdm gsr oil pump so use a usdm gsr cover? Or like you said set it with the oil pump mark alright ill give it a try with out the cover thanks for the info.

negusjuda

usdm and jdm and edm and every other dm is the same the difference is in the years obd1 needs a obd1 cover obd2 needs a obd2 cover the oil pumps are different hence the difference in covers

Jay Jackson

Found something else out I read one of the threads off of Honda Tech about the B20vtec timing is always going to be off a little so I should be good now I have adjustable cam gears .

kyden

the adjustable cam gears aren't gonna fix your timing marks being off.

94EG8

JDM OBD2 covers are the same as OBD1 because they don't have a CKF sensor.