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THIS is why you mock up b4 you coat aftermarket headers
I bolted up the headers today, used Hookers that came with the car. They fit good with the Dart Pro 1 heads-just couple trouble spots, one is by the steering linkage which the primary had to be "persuaded" a bit and another issue is with the #4 spark plug, it's too close to the primary and needs to be clearanced. I will have both these spots cut out and welded in smooth bends before I bring the headers and side pipes to be coated.
This is why you do mock up "B4" you coat, hehe http://i935.photobucket.com/albums/a...e/DSCN0604.jpg http://i935.photobucket.com/albums/a...e/DSCN0612.jpg |
That's actually pretty good compared to how my Hookers fit with the angle plug AFR's. Very smart to take the time and effort before sending them out :yesnod:
Here is my #4 after being "clearanced" http://i401.photobucket.com/albums/p...Picture076.jpg |
You need exhaust studs with aluminum heads
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Thx guys. I was looking at those exhaust studs in Smokedtires pics. I will get them thx.
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Why studs iso header bolts?
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I assume so you don't strip out the threads in the heads.
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Originally Posted by Drawmain
(Post 1578225535)
I assume so you don't strip out the threads in the heads.
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Originally Posted by gkull
(Post 1578224904)
You need exhaust studs with aluminum heads
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Originally Posted by TopGunn
(Post 1578227460)
How come??
2. Ease of remove and replace headers. Just hang the gasket and slap on the headers. 3. 1 3/4 inch pips are very close to the bolt head and these little 5/16th ARP nuts give clearance. 4. They never back off our get loose. 5. Because I said so! http://www.corvetteforum.net/c3/gkull/516nut.jpg http://www.corvetteforum.net/c3/gkull/eport.jpg http://www.corvetteforum.net/c3/gkull/motorside.jpg http://www.corvetteforum.net/c3/gkull/ready1.jpg |
[QUOTE=tekvette;1578221076]I bolted up the headers today, used Hookers that came with the car... ...another issue is with the #4 spark plug, it's too close to the primary and needs to be clearanced.
http://i935.photobucket.com/albums/a...e/DSCN0604.jpg IMO, you've got adequate room to the #4 spark plug. |
No need to cut and weld
Get a large socket, like over an inch. Big. Toss a towel maybe with a fold or so on the tube Lay the socket on its side With dead blow hammer or something similar strike the socket at a very slight angle, it will slightly flatten the area without bashing it making a clean job out of it and no chips in your coating. :cheers: |
Originally Posted by gkull
(Post 1578227671)
1. You won't strip out your aluminum heads
2. Ease of remove and replace headers. Just hang the gasket and slap on the headers. 3. 1 3/4 inch pips are very close to the bolt head and these little 5/16th ARP nuts give clearance. 4. They never back off our get loose. 5. Because I said so! |
Don't they also make shorty header plugs ? I'd happily trade my BB headers for a pair of 69 stock manifolds, any takers ?
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