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+--- Thread: FC valve lash setting needed (/showthread.php?tid=3447)
FC valve lash setting needed - rwoodysurplus - 09-17-2006 01:29
I believe that i need to set them at 015 intake and 025 exhaust
but need some more imput from the members.
Thanks
Woody
FC RC 1981 getting some PM done.
FC valve lash setting needed - Mike Hohnstein - 09-17-2006 03:04
That's a good number. Not a bad plan to check the spring pressures too. Moroso
makes a cheap "fish scale" type of tool to check spring loads on the engine.
Consistency is what one want's to see. Most broken valves are due to weak
spring load resulting in valve flutter or lack of control, makes thing hard on
the cam lobe and lifters too. Springs can be changed on the engine, just don't
forget to place the piston in the cylinder being serviced at top dead.
MH
----- Original Message -----
From: rwoodysurplus
To: WanderlodgeForum@yahoogroups.com
Sent: Sunday, September 17, 2006 8:29 AM
Subject: [WanderlodgeForum] FC valve lash setting needed
I believe that i need to set them at 015 intake and 025 exhaust
but need some more imput from the members.
Thanks
Woody
FC RC 1981 getting some PM done.
[Non-text portions of this message have been removed]
FC valve lash setting needed - one_dusty_hoot - 09-17-2006 04:14
Mike H.,
I assume you say go to TDC when you are changing a spring
to keep the valve from dropping down into the cylinder?
How far down, approximately, will the valve go with piston up?
I had a "keeper" come off a valve, a fellow used a small
tool to compress one spring to replace The valve retainer
cap and keeper. The hardest part of the job was to keep
the valve up high enough to put these two in place with
the spring compressed.
Bob Janes, Greenville, SC
--- In WanderlodgeForum@yahoogroups.com, "Mike Hohnstein"
<MHOHNSTEIN@...> wrote:
>
> That's a good number. Not a bad plan to check the spring pressures
too. Moroso makes a cheap "fish scale" type of tool to check spring
loads on the engine. Consistency is what one want's to see. Most
broken valves are due to weak spring load resulting in valve flutter
or lack of control, makes thing hard on the cam lobe and lifters
too. Springs can be changed on the engine, just don't forget to
place the piston in the cylinder being serviced at top dead.
> MH
> ----- Original Message -----
> From: rwoodysurplus
> To: WanderlodgeForum@yahoogroups.com
> Sent: Sunday, September 17, 2006 8:29 AM
> Subject: [WanderlodgeForum] FC valve lash setting needed
>
>
> I believe that i need to set them at 015 intake and 025 exhaust
> but need some more imput from the members.
>
> Thanks
>
> Woody
> FC RC 1981 getting some PM done.
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
FC valve lash setting needed - Mike Hohnstein - 09-17-2006 04:29
There are two ways to go about changing a spring on the engine. Introducing
compressed air to the cylinder works well but requires removing the injector
nozzle and utilization of a air to cylinder coupler. It's simpler to bring the
piston to TDC, the idea is not to lose the valve in the hole. It's normal to
whack the retainer with a hammer to loosen the valve lock and retainer so it
will slide down the valve stem when the spring is compressed. The alternative
is to keep the rpms down so weak springs aren't as likely to cause problems. I
choose to keep the engine speed down.
MH
----- Original Message -----
From: one_dusty_hoot
To: WanderlodgeForum@yahoogroups.com
Sent: Sunday, September 17, 2006 11:14 AM
Subject: [WanderlodgeForum] Re: FC valve lash setting needed
Mike H.,
I assume you say go to TDC when you are changing a spring
to keep the valve from dropping down into the cylinder?
How far down, approximately, will the valve go with piston up?
I had a "keeper" come off a valve, a fellow used a small
tool to compress one spring to replace The valve retainer
cap and keeper. The hardest part of the job was to keep
the valve up high enough to put these two in place with
the spring compressed.
Bob Janes, Greenville, SC
--- In WanderlodgeForum@yahoogroups.com, "Mike Hohnstein"
<MHOHNSTEIN@...> wrote:
>
> That's a good number. Not a bad plan to check the spring pressures
too. Moroso makes a cheap "fish scale" type of tool to check spring
loads on the engine. Consistency is what one want's to see. Most
broken valves are due to weak spring load resulting in valve flutter
or lack of control, makes thing hard on the cam lobe and lifters
too. Springs can be changed on the engine, just don't forget to
place the piston in the cylinder being serviced at top dead.
> MH
> ----- Original Message -----
> From: rwoodysurplus
> To: WanderlodgeForum@yahoogroups.com
> Sent: Sunday, September 17, 2006 8:29 AM
> Subject: [WanderlodgeForum] FC valve lash setting needed
>
>
> I believe that i need to set them at 015 intake and 025 exhaust
> but need some more imput from the members.
>
> Thanks
>
> Woody
> FC RC 1981 getting some PM done.
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
[Non-text portions of this message have been removed]
FC valve lash setting needed - Dan Darst - 09-17-2006 11:55
The cat book says for intake .012 to .018 inches is acceptable. If they are
out of this range set them at .015. For exhaust, .022 to .028 inches is
acceptable. If they are out of this range set them at .025. Did mine in May,
intakes were about .021 and exhausts were about .031. Just passed emissions
test couple weeks ago, and result was it runs a little cleaner.
dandarst86fc35rbhuntleyil.
>From: "rwoodysurplus"
>Reply-To: WanderlodgeForum@yahoogroups.com
>To: WanderlodgeForum@yahoogroups.com
>Subject: [WanderlodgeForum] FC valve lash setting needed
>Date: Sun, 17 Sep 2006 13:29:24 -0000
>
>I believe that i need to set them at 015 intake and 025 exhaust
>but need some more imput from the members.
>
>Thanks
>
>Woody
>FC RC 1981 getting some PM done.
>
>
>
>