Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



Visit the new site at vcca.org

Previous Thread
Next Thread
Print Thread
Rate Thread
#244494 06/03/12 08:44 AM
Joined: May 2005
Posts: 1,295
Likes: 2
p.k. Offline OP
ChatMaster - 1,000
OP Offline
ChatMaster - 1,000
Joined: May 2005
Posts: 1,295
Likes: 2
Heat riser spring on my 39 M.D. is missing, have ordered a new one and have a question ? When installing a new spring do you put the end into the grove on the riser shaft with just enough tension to snap it on the rod,or do tighten the coil one round and snap it on ? The coil does expand when heated doesn't it ? Thanks in advance....... beer2 beermugs


p.k.

1956 BEL AIR 2 DOOR HARDTOP

I've spent most of my money on Booze,Women and mechanical things. The rest I just Wasted........

Remember , I'm not Always Right. But I'm Never Wrong !
Filling Station - Chevrolet & GMC Reproduction Parts


Filling Station


Joined: Dec 2001
Posts: 11,162
ChatMaster - 10,000
Offline
ChatMaster - 10,000
Joined: Dec 2001
Posts: 11,162
First, make sure the shaft and flapper valve move freely both open and closed and have a slight amount of left to right movement, so that the valve works freely. I then make sure the spring has enough force to barely keep the valve closed and won't fall off the shaft on a old engine. note where the slot in the valve and the weightis when the engine is cold and then after the engine is up to operating position that the valve opens. If I remember correctly the force of the exhaust is toward keeping the valve open. I live in Texas (should be the same in AZ.)and never have any problem when the valve stays open, but in a stored engine the valve will often freeze in the shut position.


Life's a long winding trail, love Jesus and ride a good horse!
Joined: May 2002
Posts: 3,578
ChatMaster - 3,000
Offline
ChatMaster - 3,000
Joined: May 2002
Posts: 3,578
Info from the 48 shop manual

[Linked Image from i563.photobucket.com]

Joined: May 2005
Posts: 1,295
Likes: 2
p.k. Offline OP
ChatMaster - 1,000
OP Offline
ChatMaster - 1,000
Joined: May 2005
Posts: 1,295
Likes: 2
You've answered all my questions. It's been so many years since I've done one,and with sometimes having memory fade.
Things over the years seems to be more trying.
Thanks you Both.


p.k.

1956 BEL AIR 2 DOOR HARDTOP

I've spent most of my money on Booze,Women and mechanical things. The rest I just Wasted........

Remember , I'm not Always Right. But I'm Never Wrong !
Joined: May 2002
Posts: 3,578
ChatMaster - 3,000
Offline
ChatMaster - 3,000
Joined: May 2002
Posts: 3,578
PK it's amazing what you can find in the shop manual..But not as fun as finding the answer on the chatter

Joined: Sep 2010
Posts: 455
Backyard Mechanic
Offline
Backyard Mechanic
Joined: Sep 2010
Posts: 455
You really have to appreciate all the knowledge our members have,and most of all,they're always willing to share it with us!

Joined: May 2002
Posts: 3,578
ChatMaster - 3,000
Offline
ChatMaster - 3,000
Joined: May 2002
Posts: 3,578
iagree

Joined: May 2005
Posts: 1,295
Likes: 2
p.k. Offline OP
ChatMaster - 1,000
OP Offline
ChatMaster - 1,000
Joined: May 2005
Posts: 1,295
Likes: 2
iagree Also...


p.k.

1956 BEL AIR 2 DOOR HARDTOP

I've spent most of my money on Booze,Women and mechanical things. The rest I just Wasted........

Remember , I'm not Always Right. But I'm Never Wrong !

Link Copied to Clipboard
 

Notice: Any comments posted herein do not necessarily reflect the official position of the VCCA.

Powered by UBB.threads™ PHP Forum Software 7.7.5