Flywheel question..

[MoStrokinIt]

I have a 1995 that I just had the flywheel conversion done on, I put a Southbend Clutch Kit in it and have a couple questions on it.

Now when downshifting or going slow their is a loud sound that is hard to explain, just loud sound that was not there before. Not grinding or anything like that just a lound growling type noise.

I took it back and had them look over it and was told it is normal for this sound to be heard after doing the conversion. The noise is the transmission basically holding the engine back and with the single mass flywheel there is no give so you hear this sound...Normal or have any of you heard this before? They said even if I was to put a new transmission in I would still hear this noise. I did not have this noise before doing the conversion.

Also I have a slight vibration in the steering wheel when I take off and first go in each gear and it stops after getting to higher RPM's....It did not do this before the conversion so what would cause this vibration? Anything to do with the conversion or not?

Thanks for your help.

[73LSTROKER]

That is a very normal noise for a single mass flywheel.

STROKER

[tjl]

That noise is normal. After a while you won't even notice it.

[73LSTROKER]

I use gear oil in mine and the noise is gone. With gear oil I have to double clutch when the transmission is cold or it will grind but when its hot I can shift it smoother and faster then my brothers Mercedes!

STROKER

[Aljay]

Vibration might be a driveline issue, Maybe they seperated the slip yoke and re-assembled it out of time.

[zpilgeram]

Originally Posted by 73LSTROKER

I use gear oil in mine and the noise is gone. With gear oil I have to double clutch when the transmission is cold or it will grind but when its hot I can shift it smoother and faster then my brothers Mercedes!

STROKER

Be careful with that gear oil ! there is an oil drip system in your tranny that feeds oil to the input shaft bearing in the front of your tranny. That heavy gear oil wont drip on that bearing until it gets really warmed up.

I'm not telling you what to do, i'm just making you aware of what goiing on inside your tranny.

[73LSTROKER]

Originally Posted by zpilgeram

Be careful with that gear oil ! there is an oil drip system in your tranny that feeds oil to the input shaft bearing in the front of your tranny. That heavy gear oil wont drip on that bearing until it gets really warmed up.

I'm not telling you what to do, i'm just making you aware of what goiing on inside your tranny.

I didn't know about the drip system. Do you think the gear oil will be sticky enough to keep the bearing lubricated until the trany warms?

[zpilgeram]

No, because the oil is hot when you park so it all runs out of the bearing. Then once you start your truck it takes quite awhile for the oil to warm up. It take my truck over ten miles to get the tranny temp over 100 degrees if its 50 or 60 degrees out. I know this first hand cause my dad tried running 80-90 and it wasnt long after that the input shaft bearing went out. After we tore the tranny down we discovered the drip system. I like to put a quart of lukas tranny saver in mine then top it off with atf.

[Aljay]

Uh dont these Zfs use ATF ???

[zpilgeram]

Originally Posted by Aljay

Uh dont these Zfs use ATF ???

Ya, thats why I said it.

I was just clarifying that i like to use lukas mixed with atf