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carb help
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clay
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Joined: 24 Nov 2002
Posts: 3209
Location: South Carolina
318129.23 points


1972 Chevrolet Nova

PostPosted: Sun Apr 23, 2006 9:49 am    Post subject: Reply with quote

If it is an 87 as in your screen name, it probably has a 700R4 which doesn't have a modualtor. The left over cable should be the throttle valve cable (TV) that controls line pressure and all shift points. Was this a computer car that you put a carbureted engine in? Could be some other things if this is the case. Clay
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af2
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Joined: 01 Sep 2003
Posts: 5558
Location: grassvalley, ca
71227.76 points


1933 Willys Coupe

PostPosted: Sun Apr 23, 2006 9:53 am    Post subject: Reply with quote

87IrocTim wrote:
its the stock automatic tranny's that cam is the 3rd generation IROC-Z's. the tranny worked fine until i put in the new carb that had the vacuum lines blocked off. my tranny has gears 1 and 2 spots, a drive spot and an overdrive spot. i was jsut thinking about it, there is a second cable at the throttle linkage that is not hooked up at the moment. does that cable allow it to go into the next gear after using the one and two manual gears?


So you have a 700R4. You have to have that cable hooked up and adjusted property for shifting. That cable accually changes the presure in the trans at different throttle positions.
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af2
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Location: grassvalley, ca
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1933 Willys Coupe

PostPosted: Sun Apr 23, 2006 9:55 am    Post subject: Reply with quote

Sorry Clay You are quicker than I at typing Laughing Adam
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87IrocTim
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PostPosted: Sun Apr 23, 2006 3:27 pm    Post subject: Reply with quote

ok thanks im going to set up that cable, as soon as the weather is better, and take as many trips around the block adjusting it as needed. ill get back to you thanks a lot. Tim
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af2
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Joined: 01 Sep 2003
Posts: 5558
Location: grassvalley, ca
71227.76 points


1933 Willys Coupe

PostPosted: Sun Apr 23, 2006 4:59 pm    Post subject: Reply with quote

87IrocTim wrote:
ok thanks im going to set up that cable, as soon as the weather is better, and take as many trips around the block adjusting it as needed. ill get back to you thanks a lot. Tim


You don't need to take any trips around the block!! It's been awhile but I beleive you put it at full throttle ( motor not running please) and adjust the cable till it stops. I will find the section in my GM manual to make sure.
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