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Old 11-25-2009, 06:19 PM
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71 Chevelle Converting to Clutch

I'm working on a '71 Chevelle.

I have all of the parts needed to change it over from a TH350, to a Muncie 4 Speed. I have the pedal assembly installed, and I was just wondering if anyone can tell me where the clutch push rod goes through the firewall.

I don't want to hack this firewall up any more than it already is.

Thank's for any help.

Stephen

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Old 11-25-2009, 07:12 PM
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Without havins one to see for reference and having a chance to work on one I would say from first-hand experience on just installing the pushrod through the floor of my Suburban:

Install the bellcrank assembly and see where the upper pushrod lever on the pushrod would have the pushrod located in reference to the floor it should protrude through the floor on the driver side of the bellcrank lever, mark this approximate location on the floorboard and give it a little bump with a dull punch and using a short straight-edge or ruler inside go from the clutch pedal pushrod hole to the bump you made in the floor and make sure there is nothing in the way, you will likely need to drill the hole at or near that spot you marked in the floorboard.

I had it easy with my swap, the floor was already marked from the factory, and I had an old section of floorboard from the donor truck the pushrod was still attached to, the measurements could have been tweaked about a half inch and the holes for the screws holding the pushrod boot to the floor could have been lined up 90 degrees from the centerline of the vehicle and not 45 like the factory did them.
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Old 11-25-2009, 10:39 PM
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The Chevelle floor pan should already have the clutch pushrod hole in it, with a factory block off plate that has the same 2-bolt bolt pattern as the pushrod boot bolted over it. Might be glued down or buried under some undercoating or years of crud.
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Old 11-26-2009, 07:09 PM
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If it doesn't have the hole pre-drilled, it just may have the center of it and the screw holes for the pushrod boot indented like my Suburban was, if not it just may be a standard floor panel without any of that.

Someone that has one may chime in here and help you out pretty soon.
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Old 11-27-2009, 10:57 AM
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Quote:
Originally Posted by M&M CUSTOM
If it doesn't have the hole pre-drilled, it just may have the center of it and the screw holes for the pushrod boot indented like my Suburban was, if not it just may be a standard floor panel without any of that.

Someone that has one may chime in here and help you out pretty soon.
As far as holes pre-drilled, it has plenty. LOL There is also a LOT of additional internal wiring to deal with. (stereo & alarm systems)

This 'clutch' pedal kit came with GM parts stickers, and numbers. The pedal assembly was fairly easy to install, and the Z-Bar frame bracket holes are dimpled where to drill.

I was hoping to get the engine back today, and set it in place. This does not appear to be happening yet today. Time will tell.

It does appear it comes out through the firewall just below the steering column. This area has a lot of added sheet metal, holes, and screws, holding wiring and such inside of the car.

I hope someone has a 'pic' of one to post.

Thanks for the replies.

Stephen
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Old 11-29-2009, 11:31 AM
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I have the opportunity to look at a '70 Chevelle tomorrow morning. It is an automatic, but it has the factory cover plate on it for the 'standard' shift option.

The steering column looks to have been replaced, and it is 'mountain-ed' farther to the left side more than normal.
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