Crank sprocket
Racer
Joined: Nov 2005
Posts: 456
Likes: 3
From: Sumner Texas
You shouldn't have to use temperature. Just use a socket or pipe or something to tap the sprocket in place. If you have to tap very hard then something is wrong, and you should investigate.
Good luck,
Good luck,
Race Director
Joined: Dec 2000
Posts: 17,551
Likes: 26
From: El Paso Texas
Also, ensure that the socket is the correct size so that it contacts the body of the sprocket, not the teeth. You can easily damage a tooth and not see it, and it will fail fairly quickly.
Drive it on squarely, and ensure that it is fully seated against the snout of the crank.
Drive it on squarely, and ensure that it is fully seated against the snout of the crank.
Instructor
Joined: Apr 2004
Posts: 161
Likes: 0
From: fl
With all my motor buildups on engines where the crank sproket is on excessively tight,(like most LT-1's i've seen) I usually take some 200grit wet or dry sand paper and give the inside circle of the crank sproket some smoothing out for a couple minutes, this is not enough to remove any considerable amount of material ,It just makes it silky smooth, then put a little mobile one on the surfaces..... take your "old" crank shaft sproket and put in in front of the new one your putting on,(so your tapping on the old one) and then you can either use a socket (which is almost like the recomended tool) or tap it on with a brass drift or a ratchet extention......if It still goes on way to tight requiring to hard of hits, re-pull it and sand a little more.......Like was mentioned above,It's not good to risk a stress crack putting it on......
Last edited by 95NOSvette; Nov 27, 2005 at 03:48 AM.
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Team Owner
Joined: Dec 2000
Posts: 90,675
Likes: 304
From: SE NY
Cruise-In II Veteran
I havn't done a timing chain in way too long.
As I remember the chain must be on both sprockets as they slide onto the crank & cam.
So, while you are driving the crank sprocket on, you are also sliding the cam sprocket on, right??
As I remember the chain must be on both sprockets as they slide onto the crank & cam.
So, while you are driving the crank sprocket on, you are also sliding the cam sprocket on, right??
Le Mans Master
Joined: Jun 2002
Posts: 6,097
Likes: 0
From: High Plains Drifter Fayetteville, AR
Originally Posted by 65Z01
I havn't done a timing chain in way too long.
As I remember the chain must be on both sprockets as they slide onto the crank & cam.
So, while you are driving the crank sprocket on, you are also sliding the cam sprocket on, right??
As I remember the chain must be on both sprockets as they slide onto the crank & cam.
So, while you are driving the crank sprocket on, you are also sliding the cam sprocket on, right??
Cam sprocket bolts to the cam face with 3 bolts. Install crank sprocket with correct tools, or an improvised tool. Then fit the chain to the crank sprocket and cam sprocket and bolt the cam sprocket on.
DO NOT "BANG" the crank sprocket on. If you hit it too hard you could damage the sprocket or #5 main bearing. The correct way to install it is to have a piece of pipe that slips over the crank snout, a bolt with a washer and nut inserted through the piece of pipe. Tighten the bolt into the snout and use the nut and washer to press the sprocket onto the snout.