C6 Questions
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Mountain Pass
Joined: Nov 2006
Posts: 229
Likes: 55
C6 Questions
I have a '73 C6 that is mated to a 460 i just swapped into a '64. 1-is there a vacuum line (steel) thats required to run between the manifold and module on the back/bottom of the tranny? Does that tell it when to shift? If i bend a new one, what size steel line should i use? Last, is it possible to run the tranny without a cooler?
Junior User
Joined: Mar 2007
Posts: 64
Likes: 0
From: Douglasville, GA
The only vacuum line I can think of than runs to the back would be Modulator. They'll look something like this.
http://www.bulkpart.com/Merchant2/me...e=C-6modulator
I had a friend at NAPA hook me up with one but there fairly inexspensive.
As far as running without an innercooler, I dont think it would work, but I havent really looked for any other types of cooling systems.
Nick
http://www.bulkpart.com/Merchant2/me...e=C-6modulator
I had a friend at NAPA hook me up with one but there fairly inexspensive.
As far as running without an innercooler, I dont think it would work, but I havent really looked for any other types of cooling systems.
Nick
Fleet Mechanic
Joined: May 2005
Posts: 1,575
Likes: 11
From: Puyallup, WA
You need to hook up the modulator so the trans will shift properly.
You also need some sort of cooler, if not the factory OEM style in the radiator, then a aftemarket add on cooler. Without one you will overheat the trans fluid in short order.
David
You also need some sort of cooler, if not the factory OEM style in the radiator, then a aftemarket add on cooler. Without one you will overheat the trans fluid in short order.
David
Fleet Mechanic
Joined: May 2005
Posts: 1,575
Likes: 11
From: Puyallup, WA
The Factory used about 1/8" to 3/16" or so. Not to critical, it is more that the trans can sense where the vaccume is, that is one of the ways it has of telling where the throttle position is - this is important to help the trans determine what gear to be in / when to shift.
Later trans used a cable to tell the trans the position of the throttle and the computer controlled trans use the TPS to tell it where the throttle position is.
You could of course use a rubber hose in place of the metal tubing, the reason the factory uses metal is that it is more durable when exposed to the exhaust heat. I would recommend metal for this reason.
David
Later trans used a cable to tell the trans the position of the throttle and the computer controlled trans use the TPS to tell it where the throttle position is.
You could of course use a rubber hose in place of the metal tubing, the reason the factory uses metal is that it is more durable when exposed to the exhaust heat. I would recommend metal for this reason.
David
Junior User
Joined: Mar 2007
Posts: 64
Likes: 0
From: Douglasville, GA
Ive got the rubber hosing, I believe the last person to do a motor swap in my truck just went cheap. Just make sure that if you use metal line you dont create any friction areas. Those lines even though they are metal arent as durable as you think. give them there room.
Good for you its something this simple, I love when I get problems and theyre easy fixes like this! lol Its a hell of alot better than some of the other things that could go wrong
Nick
Good for you its something this simple, I love when I get problems and theyre easy fixes like this! lol Its a hell of alot better than some of the other things that could go wrong
Nick
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Fleet Mechanic
Joined: May 2005
Posts: 1,575
Likes: 11
From: Puyallup, WA
Originally Posted by BigOle'Ford
Ive got the rubber hosing, I believe the last person to do a motor swap in my truck just went cheap. Just make sure that if you use metal line you dont create any friction areas. Those lines even though they are metal arent as durable as you think. give them there room.
Good for you its something this simple, I love when I get problems and theyre easy fixes like this! lol Its a hell of alot better than some of the other things that could go wrong
Nick
Good for you its something this simple, I love when I get problems and theyre easy fixes like this! lol Its a hell of alot better than some of the other things that could go wrong
Nick
It was a expensive lesson to learn. David
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Cargo Master
Joined: Jun 2003
Posts: 2,982
Likes: 7
From: Somewhere Saskatchewan
Originally Posted by BigOle'Ford
Ive got the rubber hosing, I believe the last person to do a motor swap in my truck just went cheap. Just make sure that if you use metal line you dont create any friction areas. Those lines even though they are metal arent as durable as you think. give them there room.
Good for you its something this simple, I love when I get problems and theyre easy fixes like this! lol Its a hell of alot better than some of the other things that could go wrong
Nick
Good for you its something this simple, I love when I get problems and theyre easy fixes like this! lol Its a hell of alot better than some of the other things that could go wrong
Nick
Air hose will not work.
I use 5/16" steel brake lines.
Get the kind with a steel coil on the outside.
It can be bent witjout kinkind and the coil keeps it from rubbing and creating a hole.
1/8" steel vacuum lines is good. Again, brake line.