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Re: too cold to adjust the valves? [Re: Hemi Allstate] #1720308
01/04/15 01:43 PM
01/04/15 01:43 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
Master

Joined: Jun 2003
Posts: 52,972
Romeo MI
Quote:

Quote:

Quote:

Why do people check lash without putting heat in the motor?


You need to set themn cold before you can start the motor , correct?




It may be a poor comparison, but, All of the motorcycle engines (Japanese) that I have adjusted valves on specify it is to be done cold.
So, I think ,that once you know the difference between your hot and cold lash, cold would be fine?

Mark




On the first time around on a new engine I check cold
and hot to get the difference.. from there I always
set it cold.. I dont need to burn myself anymore...
I set all my stuff on the tight side anyways

Re: too cold to adjust the valves? [Re: Bigcube] #1720309
01/04/15 01:56 PM
01/04/15 01:56 PM
Joined: Jul 2004
Posts: 19,318
State of confusion
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Thumperdart Offline
I Live Here
Thumperdart  Offline
I Live Here
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Joined: Jul 2004
Posts: 19,318
State of confusion
Quote:

Why do people check lash without putting heat in the motor? I set mine hot and have checked them cold, they are all over the map. Different parts of the heads "see" more heat than others. Perhaps it worse with aluminum block and heads? I don't know, but checking them with heat in it is much more accurate.




Same difference.............just easier/cleaner cold, get it hot measure and now you know. I don`t work that hard on that crap and never an issue ever...............


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: too cold to adjust the valves? [Re: Thumperdart] #1720310
01/04/15 02:09 PM
01/04/15 02:09 PM
Joined: Jan 2003
Posts: 5,997
Anoka County, MN
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Leigh Offline
master
Leigh  Offline
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Joined: Jan 2003
Posts: 5,997
Anoka County, MN
I suppose, if you after warming up, you could use an infrared gun, too see where the head is the hottest.

Re: too cold to adjust the valves? [Re: Bigcube] #1720311
01/04/15 02:22 PM
01/04/15 02:22 PM
Joined: Jan 2003
Posts: 12,807
Benton, IL.
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DaveRS23 Offline
Master of nothing...
DaveRS23  Offline
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Joined: Jan 2003
Posts: 12,807
Benton, IL.
On my iron block engines, I have not noticed much variation in the difference between the hot and cold gaps. In other words, the difference was consistent.

But on my aluminum block engine, there is enough variation in the cold gaps that I don't trust it.

So I set my iron block gaps cold, but my aluminum block only gets set hot.



Master, again and still
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