Has anyone ground this bump out when they ported their head?



Im curious to know the difference in how it ran afterwards

 

i dont think anyone has but i was thinking about it, you'd have to plug the bolt hole above it

 

Im not worried about the hole. I think the lifting eye goes there anyways. I'll know more when I put my motor back in the truck.


So far I have about 3 hours plus grinding the **** bump out. It really sucks !!! Should see my PILE of shavings.... its nuts


Other then that I should be able to surface the head and do a valve job/ put it back together.

 

so are you going to polish the whole inside of the intake and make it smooth?

 

Just to add the the image Matt posted . . .

 

Im not gonna worry about polishing the intake - dont think I'll gain anything there. I would gain more by cutting the head for bigger valves at this point and cutting the intake off and porting the runners. I did widen the runner at the begining on the intake where the pushrod tube is tho.



My next plan is to buy a '93 head and mill the intake off and go full tilt on it.

 

dang............ it looks worse then it was to grind out...... prolly gain aleast 20 cfm

 

Who are you going to get to weld that head back together?

 

Have a peek at the no1 cylinder exhaust valve in my top image. Ran a bit hot.

 

YIKES! What valve? Is it all better now?