HT413
Semi Pro Bowler
This morning I started to tear down the top end of my motor. Motor is a 1972 truck 413 that the p.o. said the owner before him rebuilt and stroked it to 452 ci., ported 906 heads, etc. this is my 1st rodeo, so I'm sure i'll have tons of stupid questions about just about everything.
So my objectives are:
1) replace the worn / stuck fuel pump pushrod and inspect cam lobe.
2) replace the rockers and shafts which were installed wrong and started wearing the shafts and rockers.
3) find out how the motor was built, tale some measurements and calc the compression ratio, etc.
4) Check out the cam and maybe make a swap.
Question: if i keep the current cam, i'd like to keep the timing unchanged. What steps do i need to take to be sure it's right on when i reassemble?
Thanks,
Dan
A pic inside the #5 intake port. Maybe later i just might get the head off.
My step by step as i go
Here's my filing system for the nuts and bolts.
So my objectives are:
1) replace the worn / stuck fuel pump pushrod and inspect cam lobe.
2) replace the rockers and shafts which were installed wrong and started wearing the shafts and rockers.
3) find out how the motor was built, tale some measurements and calc the compression ratio, etc.
4) Check out the cam and maybe make a swap.
Question: if i keep the current cam, i'd like to keep the timing unchanged. What steps do i need to take to be sure it's right on when i reassemble?
Thanks,
Dan
A pic inside the #5 intake port. Maybe later i just might get the head off.
My step by step as i go
Here's my filing system for the nuts and bolts.