So......do I need a new clutch?
Laughing Gas
Joined: Apr 2001
Posts: 1,024
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From: Elon, NC
So......do I need a new clutch?
After swapping out the 300 six with this 351W, it seems like the friction point for the clutch is a lot higher. I kept the clutch and pressure plate that was behind the six because it was only about a year or so old and looked great. But I don't remember the clutch taking hold this high. When I say high......I mean about 2 inches from the top. The 351 is making tons of torque and when the truck starts rolling it'll lay you back in the seat. 
But taking off, it's high revving and almost slipping the clutch to get rolling with the clutch takin hold near the top. By the way, the clutch is hydraulic.....no adjustment.....right? Any ideas guys?
Should I have put in a bigger clutch?
Thanks,
Ron
But taking off, it's high revving and almost slipping the clutch to get rolling with the clutch takin hold near the top. By the way, the clutch is hydraulic.....no adjustment.....right? Any ideas guys?
Should I have put in a bigger clutch?
Thanks,
Ron
Laughing Gas
Joined: Apr 2001
Posts: 1,024
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From: Elon, NC
So......do I need a new clutch?
Forgot to mention that I have 3.08 gears so I know that's a lot of my high revving to get rolling. I'm just wondering about the friction point on the clutch seeming to be a lot higher.
Senior User
Joined: Jan 2001
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So......do I need a new clutch?
Welcome to the wonderful world of hydralic clutches.
I had the same problem the first time I changed the clutch and pressure plate (before swapping in a V8). I got around the problem by changing the slave cylinder push rod with an adjustable one I made from a piece of threaded rod, a nut, and a piece of pipe thet fit over the rod.
I had the same problem the first time I changed the clutch and pressure plate (before swapping in a V8). I got around the problem by changing the slave cylinder push rod with an adjustable one I made from a piece of threaded rod, a nut, and a piece of pipe thet fit over the rod.
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From: Virginia
So......do I need a new clutch?
You should have put a different flywheel in the truck for the 351w. Was it in good shape? If it was worn in the middle, this would cause a high pedal. Also I would go to the parts store and get them to run the numbers for a clutch/pressure plate/ throwout bearing combo for the six, and then the v8, to make sure there are no differences.
Laughing Gas
Joined: Apr 2001
Posts: 1,024
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From: Elon, NC
So......do I need a new clutch?
[updated:LAST EDITED ON 29-Apr-02 AT 02:30 PM (EST)]Help me out just a bit.......it's Monday and I'm brain dead already. Did you remove the original pushrod from the slave cylinder or just fit your adjustable over it? I had this %&#$@^& slave cylinder off when I changed the motor, but I can't think of how the rod would come out of it. Is your setup still working? Sounds like something I need to do.
Franklin, yep, bought a new flywheel for the 351. Good idea about running the parts numbers though. If I remember correctly I did that and that's why I didn't change the clutch then. But my memory just aint what it used to be. Would be worth checking this again.
Thanks for all the info,
Ron
Franklin, yep, bought a new flywheel for the 351. Good idea about running the parts numbers though. If I remember correctly I did that and that's why I didn't change the clutch then. But my memory just aint what it used to be. Would be worth checking this again.
Thanks for all the info,
Ron
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Laughing Gas
Joined: Apr 2001
Posts: 1,024
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From: Elon, NC
So......do I need a new clutch?
[updated:LAST EDITED ON 30-Apr-02 AT 09:35 AM (EST)]No, but when I swapped out the engine I just took the slave cylinder off the bellhousing and tied it out of the way, never did take it loose from the hose. The slave cylinder was put on new about 3 months before I made the swap. Think air might have gotten in there anyway?
Also checked with the auto parts store and they show the same part number for the clutch for both the six and a 351. Good idea, at least I've eliminated that part.
Anybody know if there is an adjustment inside the cab that could be made? If not I'm either gonna have to live with it or go with RCC's idea of making an adjustable pushrod.
Also checked with the auto parts store and they show the same part number for the clutch for both the six and a 351. Good idea, at least I've eliminated that part.
Anybody know if there is an adjustment inside the cab that could be made? If not I'm either gonna have to live with it or go with RCC's idea of making an adjustable pushrod.
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