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Throttle Linkage
Posted by: hardcase ()
Date: August 09, 2017 09:54AM

I installed Roger Parent's excellent throttle linkage last week. I'm having a bit of an interference problem with the carburetor linkage hitting the sheet metal at the passenger side carb base, making it hard to set the idle.

Can I add another carb spacer to lift the carb up a bit to give the linkage a bit more room?

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Re: Throttle Linkage
Posted by: MattNall ()
Date: August 09, 2017 10:07AM

I'd ask Roger..





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Re: Throttle Linkage
Posted by: RobertC ()
Date: August 09, 2017 10:28AM

A picture would help.

Is the link installed on the correct side of the throttle lever?

Is the throttle lever loose on the throttle shaft?

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Re: Throttle Linkage
Posted by: hardcase ()
Date: August 09, 2017 10:41AM

RobertC Wrote:
-------------------------------------------------------
> A picture would help.
>
> Is the link installed on the correct side of the
> throttle lever?
>
> Is the throttle lever loose on the throttle shaft?


I can take a picture tonight, but everything is installed just as Roger's instructions detailed. All connections are tight.

The bottom of the heim joint is hitting the sheet metal - just enough to slightly crack open the throttle and keep the idle at around 1200 RPM with the idle screw backed off.

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Re: Throttle Linkage
Posted by: steve c goodman ()
Date: August 09, 2017 10:43AM

Ask Roger for ideas.

best wishes, Steve
Rear Engine Spec. Inc. Golden, Colo.

1962 spyder 3.0L turbo 1965 Crown V8
1967 monza 110/4 1968 monza 110/4
1971 amante gt 110/4
CORSA/RMC/PPCC

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Re: Throttle Linkage
Posted by: cnicol ()
Date: August 09, 2017 10:48AM

What's under the carb now? Gasket/Spacer/Gasket? That's the normal stack these days. Too much more under the carb and you may have to back out the studs a little to be able to get a nut and washer on the stud.

Craig N. Coeur d'Alene ID.
66 Black Monza 4dr, 4.2L V8 49k
61 Seamist Jade Rampside 140 PG
60 Monza coupe (sold, sniff sniff)
66 Sprint Corsa convt - First car! Re-purchased 43 years later

+17 Tons of parts

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Re: Throttle Linkage
Posted by: gregb ()
Date: August 09, 2017 10:53AM

I very recently installed Rogers kits on both my 140HP and my 150 Turbo, both installed without issue and no clearance issues with the sheet metal. Like Craig asks do you have the correct spacer and gaskets?

Gregb

61 Canadian Lakewood
62 Spyder Triple Black Convertible
65 Corsa Coupe

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Re: Throttle Linkage
Posted by: hardcase ()
Date: August 09, 2017 10:59AM

Well, I have "a" spacer and two gaskets. I do have another set on the way from Clarks, so I'll see if that's the problem...maybe the spacer is too short. I know that when I changed the heads, when I put the studs back in, the nuts were a few threads short of bottoming out when I put the carbs back on.

BTW, these are LM 110 heads on a 1964 110.

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Re: Throttle Linkage
Posted by: rlp11 ()
Date: August 09, 2017 12:27PM

Hi

Please let know if you are having problems. I am here to correct them. Pictures are better than words. I have never had a problem, in seven years, that was not solved by email's. Lets work together to solve the problem.

Roger Parent
El Cajon, CA
1964 Monza Driver
1964 Monza Project

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Re: Throttle Linkage
Posted by: hardcase ()
Date: August 09, 2017 12:54PM

rlp11 Wrote:
-------------------------------------------------------
> Hi
>
> Please let know if you are having problems. I am
> here to correct them. Pictures are better than
> words. I have never had a problem, in seven years,
> that was not solved by email's. Lets work together
> to solve the problem.


Just to be clear, Roger, I'm not complaining about your throttle linkage - it's aces! This car is sort of a Frankenstein's monster of parts from several year's worth of Corvairs (together with some personal mechanical ineptitude), so every problem that I've encountered is either a result of creative mish-mashing or crappy mechanicing.

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Re: Throttle Linkage
Posted by: JJ ()
Date: August 10, 2017 11:46AM

I installed Roger's 140 kit a few weeks ago and bumped into a similar issue with my secondery's. At cold position the heads of the heim joints where contacting the shrouds very slightly. In Roger's very detailed instructions he mentions this scenario and suggests giving the the shroud bolts nearby a good torque. That fixed the issue on 1 of the 2. On the other I just tapped the sheet metal with a block of wood and hammer. No visible dent and good to go. smiling smiley
I love the linkage Roger. Thanks.

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Re: Throttle Linkage
Posted by: hardcase ()
Date: August 10, 2017 11:54AM

JJ Wrote:
-------------------------------------------------------
> I installed Roger's 140 kit a few weeks ago and
> bumped into a similar issue with my secondery's.
> At cold position the heads of the heim joints
> where contacting the shrouds very slightly. In
> Roger's very detailed instructions he mentions
> this scenario and suggests giving the the shroud
> bolts nearby a good torque. That fixed the issue
> on 1 of the 2. On the other I just tapped the
> sheet metal with a block of wood and hammer. No
> visible dent and good to go. smiling smiley
> I love the linkage Roger. Thanks.

I'll give that a try - that's exactly the sort of clearance problem that I'm dealing with...it's just a tiny, tiny amount. I'll get out the 8 inch ratchet tonight winking smiley

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Re: Throttle Linkage
Posted by: rlp11 ()
Date: August 10, 2017 02:48PM

Just a side note on the clearance issue mentioned above. Clark's sell a thicker carb gasket and you may want to get those. Thin gasket is 1/64" thicker gasket is 1/32". Use one above and one below insulator and increase clearance. I adjust and test fit with no gasket on the insulator. It all come down to where the throttle arm stop screw is at idle on primary carbs and where the stop is on secondary carbs. All carbs vary on this.

Roger Parent
El Cajon, CA
1964 Monza Driver
1964 Monza Project



Edited 1 time(s). Last edit at 08/10/2017 02:49PM by rlp11.

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Re: Throttle Linkage
Posted by: hardcase ()
Date: August 10, 2017 06:51PM

JJ was right on the money. When I replaced the heads, I didn't get the sheet metal completely secured. Idle is right where it should be. Man, that linkage is absolutely awesome to adjust! It's everything the original should have been!

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