check out my valve clearances

M

malloynx

Member
Mar 30, 2005
877
1
16
44
NC
well my motor has a loud tick and it was really pissing me off. i went out and checkedthe valve lash and there all over the place.. LOL

HERE YA GO!!!

EXHAUST SIDE INTAKE SIDE

12> .005 12> .008
11> .008 11> .011
10> .003 10> .008
9> .009 9> . 007
8> .010 8> .011
7> .013 7> .013
6> .003 6> .015
5> .012 5> .007
4> .009 4> .0025......OUCH... TALK ABOUT TIGHT :(
3> .015 3> .005
2> .012 2> .023........ THERE IS MY LOUD TICK :(
1> .009 1> .005



as you can see my clearances are all over the place.. spec are .008-.012 on exhaust and .006-0.10 on the intake..

some are good and some are way off. i think the ones that are .001 out of spec i'm going to leave..

all in all i have to change out 8 shims to get this motor back into spec... ideally i would want them all the same or within .001 however i'm not spending 250$ on shims.

could 1 shim that is way out of spec cause a noisey valvetrain... i know mine was loud as hell.
 
atlpd3147

atlpd3147

kool member
Nov 26, 2005
485
0
16
Dacula,GA
Ticking maybe but I believe the really tight ones are probably holding your valves open which would probably throw off your compression numbers.
 
chriso

chriso

Supranian
Apr 5, 2005
917
0
0
Bay Area, CA
atlpd3147 said:
Ticking maybe but I believe the really tight ones are probably holding your valves open which would probably throw off your compression numbers.
Click to expand...
Exactly, and the loose one cause the "valve bounce" which results in a ticking noise.
 
3p141592654

3p141592654

90T
Oct 11, 2005
3,816
16
38
Thousand Oaks, CA
Are these number from a hot engine? They seem really tight.

By the way, This is a lot of work, but if you pull all the shims out and measure them, you can mix and match and often improve things without spending any money on shims. In the end you may find you need to buy just a few to get it right.

By the way, it is very odd you have one very loose. In general, the clearances tend to stay very close even after 100k miles. I would wonder why that valve is so far off. Was the head rebuilt?

When I did my head, the clearances were all at the loose end of the spec, and it turned out it was due to bearing wear in the cam bearing caps. I lapped the bearings back to spec and my valve clearances returned to the mid point.
 
chriso

chriso

Supranian
Apr 5, 2005
917
0
0
Bay Area, CA
malloynx said:
would my compression be higher or lower with tigh tolerances
Click to expand...
High tolerance = loose valves = ticking
Low tolerance = tight valves = possibly lower compression (in extreme cases)
 
M

malloynx

Member
Mar 30, 2005
877
1
16
44
NC
well after going through the intake and exhaust shims i was able to move alot around to get within the toyota spec

all i need is 3 to complete the job

i'm looking for a .110
.120
.129
 
You must log in or register to reply here.
Top Bottom