Iron block alternator bracket
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11 Second Club
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From: Thornton, CO
Iron block alternator bracket Okay, getting close to having my 402 ready to put in.
Obviously, I need to have some holes punched for the alternator bracket in the new block.
Has anyone done this themselves?? Or did you guys take it to a machine shop.
It looks like the center bolt of the bracket wouldn't be able to be punched, is this right??
Thanks!!!!
Obviously, I need to have some holes punched for the alternator bracket in the new block.
Has anyone done this themselves?? Or did you guys take it to a machine shop.
It looks like the center bolt of the bracket wouldn't be able to be punched, is this right??
Thanks!!!!
The center bolt won't be used. Just drill n' tap the upper hole and you're all set. Heck, I didn't even do that, and my alt. hasn't moved 
I just have the one front bolt and the bracket on the back 
I just have the one front bolt and the bracket on the back Thread Starter
11 Second Club
iTrader: (9)
Joined: Nov 2004
Posts: 1,360
Likes: 0
From: Thornton, CO
Originally Posted by Brains
The center bolt won't be used. Just drill n' tap the upper hole and you're all set. Heck, I didn't even do that, and my alt. hasn't moved I just have the one front bolt and the bracket on the back
I just have the one front bolt and the bracket on the back 
Originally Posted by Reckless
Just punch a dimple in the block where the boss is located. Drill it out nice and slow, then tap it for the factory size bolt. Takes 15-30 minutes.
You will just need a good drill, a really good bit that is just slightly smaller than the tap which is a metric (M10 x 1.50).
-Insert the bolt for the hole you do have and snug it with you fingers so the bracket is where you want it
-Use a punch to mark where to drill
-Remove bracket
-Drill out and tap using plenty WD40
-Blow out or use a bristle brush or similar
-Ready to go!
-Insert the bolt for the hole you do have and snug it with you fingers so the bracket is where you want it
-Use a punch to mark where to drill
-Remove bracket
-Drill out and tap using plenty WD40
-Blow out or use a bristle brush or similar
-Ready to go!
