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valve lash adjustment
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Paul P
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Joined: 15 Aug 2002
Posts: 2393
Location: Townsend, Mass.
81240.86 points


1971 Chevrolet Chevelle

PostPosted: Mon May 19, 2014 11:01 am    Post subject: Reply with quote

I have an DOHC 2.0L engine in my daily driver. I purchased a set of Crower cams for it. I went online to find out what the deal was with the clearance. It was .006"intake and .008" exhaust cold. There has to be a setting for cold lash. If you are installing an aftermarket set of cams the manufacturer should be able to give you the specs.
Paul

_________________
2001 Focus 2.0 Zetec
15.63@87 MPH 1/4mi
1971 - Chevelle 408 SBC N.A.
6.95@98.6 MPH 1/8mi
10.97@121 MPH 1/4mi
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af2
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Joined: 01 Sep 2003
Posts: 5557
Location: grassvalley, ca
71191.50 points


1933 Willys Coupe

PostPosted: Mon May 19, 2014 5:06 pm    Post subject: Reply with quote

Greg Riddle wrote:
Ive got the intake valves set at .005" and the exhaust valves set at .007"
I. Can hear the exhaust valves are still tapping but its more of a light tick now. Im going to ride it like this for a bit and see how it runs. I may tighten the exhaust valves to .006"


Is there a reason you won't run the lash as speced .002 more is a bunch with what you are running! There is minimal growth..
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Greg Riddle
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Joined: 28 Sep 2013
Posts: 29
Location: United States
1061.88 points



PostPosted: Mon May 19, 2014 6:01 pm    Post subject: Reply with quote

The reason i dont want to make the change is because I have gotten a lot of misinformation during the engine build. Its hard to make that big of a change without being sure
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af2
Member


Joined: 01 Sep 2003
Posts: 5557
Location: grassvalley, ca
71191.50 points


1933 Willys Coupe

PostPosted: Mon May 19, 2014 6:23 pm    Post subject: Reply with quote

The ones that make the cams are not good?
They know were the lash ramps are and where you should lash at, I would think???
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Greg Riddle
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Joined: 28 Sep 2013
Posts: 29
Location: United States
1061.88 points



PostPosted: Mon May 19, 2014 8:29 pm    Post subject: Reply with quote

af2 wrote:
The ones that make the cams are not good?
They know were the lash ramps are and where you should lash at, I would think???


They told me 3 different specs 3 different times so I dont know
The company that put together the kit for this engine didnt send info on piston ring gap. No info on the cams. There are 2 ket kits available for this bike they told me either kit would work. Both kits are inadequate. I ended up buy main jets and sanding my own profile on the needle
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af2
Member


Joined: 01 Sep 2003
Posts: 5557
Location: grassvalley, ca
71191.50 points


1933 Willys Coupe

PostPosted: Mon May 19, 2014 11:59 pm    Post subject: Reply with quote

Greg Riddle wrote:
af2 wrote:
The ones that make the cams are not good?
They know were the lash ramps are and where you should lash at, I would think???


They told me 3 different specs 3 different times so I dont know
The company that put together the kit for this engine didnt send info on piston ring gap. No info on the cams. There are 2 ket kits available for this bike they told me either kit would work. Both kits are inadequate. I ended up buy main jets and sanding my own profile on the needle


I totally understand from dealing with the likes of Trinity.
I would set the lash on the tight side though.
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