Header Clearance
Thread Starter
Racer
Joined: Jul 2007
Posts: 444
Likes: 0
From: Roselle IL
Header Clearance
I installed the 496 in the car this week and installed the headers tonight. The pass side header is really tight with the idler arm. I installed a new idler arm while the engine was out and I think it is bigger than the stock one.
How much clearance do I need? I don't know how much the engine moves side to side. The motor mounts appear to be stock and are rubber. I hate to have to pull the starter and header to dimple it.
Thanks.
How much clearance do I need? I don't know how much the engine moves side to side. The motor mounts appear to be stock and are rubber. I hate to have to pull the starter and header to dimple it.
Thanks.
Racer
Joined: Apr 2008
Posts: 254
Likes: 5
From: ingleside illinois
I installed the 496 in the car this week and installed the headers tonight. The pass side header is really tight with the idler arm. I installed a new idler arm while the engine was out and I think it is bigger than the stock one.
How much clearance do I need? I don't know how much the engine moves side to side. The motor mounts appear to be stock and are rubber. I hate to have to pull the starter and header to dimple it.
Thanks.
How much clearance do I need? I don't know how much the engine moves side to side. The motor mounts appear to be stock and are rubber. I hate to have to pull the starter and header to dimple it.
Thanks.
Burning Brakes
Joined: Nov 2006
Posts: 893
Likes: 7
From: Orange Park Florida
I had a similar problem with my '72. My issue was the bolts that hold the idler arm to the frame. One bolt was touching the header. I replaced the bolt with shorter ones and now all is well.
