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What does it take to stroke a 351c
#1
Yes I am pretty sure I have decided to use the stock 351c instead of the 460... Big Grin   I reserve the right to change my mind again though... Haha 

So, I have some questions on stroking the 351.  I know several of you have done this.

You have to clearence the block??  
Can you do your own clearancing or does the machine shop have to do it?  
What do you do for clearencing, stick the crank in and then see where the block needs to be ground down?  
Just use a die grinder to grind the block down?
What rotating assembly do you recommend?  Link to it??

Thanks!
Wade
1972 Mach 1 351 cj 4speed
"We confide in our strength, without boasting of it; we respect that of others, without fearing it."--Thomas Jefferson

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#2
(09-29-2018, 10:40 AM)scgamecock Wrote: Yes I am pretty sure I have decided to use the stock 351c instead of the 460... Big Grin   I reserve the right to change my mind again though... Haha 

So, I have some questions on stroking the 351.  I know several of you have done this.

You have to clearence the block??  
Can you do your own clearancing or does the machine shop have to do it?  
What do you do for clearencing, stick the crank in and then see where the block needs to be ground down?  
Just use a die grinder to grind the block down?
What rotating assembly do you recommend?  Link to it??

scgamecock,
Throw everything away and keep the block and possibly the cylinder heads.
And oh yes, one should have lots of cash on hand.
That's about it,
Boilermaster
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#3
You can go to a 4-inch stroke, which will give you 408 cubic inches with a 0.030 over bore (4.030"), without any problems.

There are a few manufacturers that have kits, Howard's Cams, SCAT, Manley, and Eagle sells their's on Summit Racing
https://www.summitracing.com/search/depa...4294880931



“If you can't explain it simply, you don't understand it well enough.”
--Albert Einstein
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#4
I ran a scat 408 kit and did not need to clearance the block at all.

Kevin

1971 Mach 1
408C Stroker
C4 w/3,000 stall
8.8" Rear w/3.73's
Disc brakes all way around.

[Image: 28ivsix.png]




                                                                                             
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#5
A good machine shop!

run_horse Run Horse Run!
John 72 Q Code
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#6
I ran with the Scat 9000 series 4.00 inch stroke cast crank and no clearance problems except with the oil pan but the Kevko solved this.
Only other issue you might have is when using the Scat forged crank is to make sure you use a spacer for the harmonic balancer
Just use "stroker clearanced" rods and shouldn't be any problems but as always check then check again
Would also recommend machining the block for the 351W one piece rear main seal
If you go for the 3.85 inch stroke (393) you will have less clearance issues, good luck
  Reply
#7
Call Tim Meyer

https://www.tmeyerinc.com/


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