im doing a valve adjustment for a buddy of mine, I read the c speed write up and I have a few questions.

the guy who originally showed me how to do a valve adjustment said when you rotate 1-3-4-2 you only rotate counter clock wise 90 degrees, but c speed says 180. was I miss informed?

and how much drag should there be on the feeler gauge? is it bad if they are a little on the tighter side? thanks for the help guys

 

What engine ?

Do you have a shop manual for the car ?

 

b16, no manual Im using the c speed write up
http://www.c-speedracing.com/howto/v...alveadjust.php

 

they probably mean 180 degrees on the crank...which is 90 degrees on the cams....i start at TDC on the cams, then rotate in 90 degree incriments....you can stick a long screwdriver in the sparkplug hole to verify when the piston is at the top of the stroke. as for the feeler gauge, i always do it so there is a little drag on the gauge, but not so much as it gets stuck or hard to pull out. i usually leave the gauge in, tighten the lifter all the way, then back it off slightly. hope this helps.

 

maby thats what he meant cuz I did 90 degrees on the cams. ok well when I stick the feeler gauge in and tighten the screw until there is little pressure then do the back and froward thing. but there is a good amount of drag. its not impossible to get the gauge in or out but not free. thats why I was asking how bad it is if its a little on the tight side. will it make it tick if its too tight?

 

which thickness are you using for intake/exhaust....intake is .006-.007 and exhaust is .007-.008....so if ur using .007 for intake or .008 for exhaust and getting a lil excessive drag, it should be ok. but if ur at minimum specs, maybe just loosen them a bit and recheck.

 

.006 intake .007 exhaust. im asking cuz I did a valve adjustment on my b16a2 and its ticking louder now then it was before and I ran the feeler through before and after I did each valve. its def tighter but ticks louder now. i dont get it

 

if u use min spec i would leave a little slack. i did exh at .008 and intakes at .007 had a litle drag on them. i would rather have a little play and be able to adjust it a little tighter then not have enough.IMO

 

true, but what would happen if its a little too tight. thats my concern

 

if theyre too tight, you run the risk of leaving a valve slightly open...i would think that ticking would be caused by loose lash.

was ur engine cooled down when u checked lash?

 

ya it sat over night. was bone cold.
I think ill re check them maby I used a loose spec or a nut backed off.

I was just checkin to make sure it wouldnt mess anything up if it was a little tight

 

taken from the acura manual guys, note the clearances in bold . hope this helps



Valve Clearance
Adjustment

Adjust valve clearance on No. 1 cylinder.
Intake: 0.08- 0.12mm (0.003- 0.005)
Exhaust: 0.15- 0.20mm (0.006- 0.008)
Loosen the locknut and turn the adjusting screw
until feeler gauge slides back and forth with a slight
amount of drag.

7. Rotate the crankshaft 180' counterclockwis to
bring No. 4 piston to TDC. The "UP" mark should
be pointing straight down. Adjust valves on No. 4
cylinder.

Rotate the crankshaft 180' c o u n t e r c l o c k w i s e
(camshaft pulley turns 90'). The "UP" mark should
be on the exhaust side. Adjust valves on No,3 cylinder.

8. Rotate the crankshaft 180' counterclockwise to
bring No. 2 piston to TDC. The "UP" mark should
be on the intake side. Adjust valves on No. 2 cylinder.
Number 2 piston at TDC:

 

true the ticking noise at least with mine was usually that they were to loose, IMO i would put them at max spec then run it up to temp, let it cool back down and check them again, if u have ticking then readjust them.

 

are steps 2 and 3 right for the cylinders? i thought it was 1-3-4-2 not 1-4-3-2

 

And remember that valve lash specs are specific to the cam so if he has an aftermarket cam, the specs may be different than stock.

 

he has stock cams. I however am running blox b's i never thought about that

 

why would an acura manual have the specs for a b16a? and that order doesnt sound right...should be 1,3,4,2.

 

i thought it sounded off too

 

are those intake clearances correct? my manual says .006 is the min.