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grinning smileyAnother dumb question
Posted by: ejn ()
Date: May 24, 2011 11:31AM

I dont seem to be able to open the throttle all the way on my car. I think the rod needs to be adjusted. In the shop manual it shows how to do this. Question: the adjustments are at the drivers side carb? Also could someone explian detent? As in trnsmission detent?
Thanks all

Eric N.
1962 Monza 900 Coupe
Reedsburg Wi.

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Re: grinning smileyAnother dumb question
Posted by: cnicol ()
Date: May 24, 2011 01:55PM

The linkage is adjusted in two places; under the car on the side of the trans and at the end of the throttle rod, just inboard of the driver's side carb.

Note: Changing the length of the throttle rod in the engine compartment will also change the shift speed of the automatic transmission.

Do you have an automatic transmission? "Detent" refers to a spring-loaded "switch" that gets activated inside the automatic transmission when the pedal is pushed to the floor. If the vehicle is going less than 42 mph (ish) and the detent is pushed, the transmission will downshift to low gear.

When you pull on the throttle rod from the engine compartment, you can easily feel the detent near the end of the rod's rearward stroke.

Craig N. Coeur d'Alene ID.
66 Black Monza 4dr, 4.2L V8 49k
61 Seamist Jade Rampside 140 PG
65 Canadian Monza 4dr 110/PG 40k
66 Sprint Corsa convt - First car! Re-purchased 43 years later
2+2 gnatsuM 5691

+17 Tons of parts

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Re: grinning smileyAnother dumb question
Posted by: Tom Z ()
Date: May 24, 2011 04:55PM

..start first with the rod adjustment from the rear-seatpan pivot to the trans bracket/arm--the rod should be parallel with the arm on the trans;; check/adjust that with the rod to carb cross-shaft **off**,then adjust that into the carb cross-shaft..check to see if one or both of the carb throttle levers isn't opening the plate fully (linkage off,plate should go 'vertical' looking down the throat);missing spacers (1/4" under carbs) may cause the linkage to hit the manifold..sooo,,,where's the dumb question you promised??

Tom Z,,Rochester NY

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Re: grinning smileyAnother dumb question
Posted by: wagbear ()
Date: May 25, 2011 08:00AM

You want to make sure that none of the linkage is binding or rubbing anywhere....like the big ducting under the car. What CAN happen, is that the small nylon bushings/grommets have deteriorated in the linkage, which will cause you to be able to move the pedal, but there's might be so much "slop" that you lose pedal movement/ efficiency.
Even a 1/4 inch of free-play rearward, can cause you to lose almost 1/2 pedal travel. Easy to check...easy to fix.

WAGBEAR
1961 Lakewood
Chehalis, Washington
( South of Canada...North of Mexico....Near Olympia ; Planet Earth . smiling smiley

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Re: grinning smileyAnother dumb question
Posted by: ejn ()
Date: May 25, 2011 09:03AM

I need to get this on a lift to check on this and other problems. Thank for all the advice.

Eric N.
1962 Monza 900 Coupe
Reedsburg Wi.

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Re: grinning smileyAnother dumb question
Posted by: corventure Dave ()
Date: May 26, 2011 11:01AM

ejn,
There are no dumb questions. Carry on friend.

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:Re: grinning smileyAnother dumb question
Posted by: ejn ()
Date: May 26, 2011 11:04AM

smileys with beer

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