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Author Topic:   393 question?
thumpin cat
Gearhead

Posts: 458
From: Santa Barbara, California
Registered: Mar 2002

posted 05-08-2003 11:11 PM     Click Here to See the Profile for thumpin cat     Edit/Delete Message   Reply w/Quote
what clearencing on the block besides boring and honing is necessay for a 393 stroker?

Can keith black pistons handle 600 lift?

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N266fords
Gearhead

Posts: 1404
From: Spokane ,WA USA
Registered: Apr 2003

posted 05-09-2003 01:34 AM     Click Here to See the Profile for N266fords   Click Here to Email N266fords     Edit/Delete Message   Reply w/Quote
none really they will fit with no more notching of course you should always check but a 408 and the 427 and 434 all need to be notched further for clearence of the rod bolt and block interference ... Bruce

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67Coupster
Gearhead

Posts: 181
From: Fortson, GA, USA
Registered: Oct 2001

posted 05-09-2003 01:35 PM     Click Here to See the Profile for 67Coupster   Click Here to Email 67Coupster     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by thumpin cat:
what clearencing on the block besides boring and honing is necessay for a 393 stroker?

Can keith black pistons handle 600 lift?


On my 393 I had to notch the bottom of the cylinder bores, the oil pan rail and I think a little off the oil pump.

Notching was the easy part, mocking everything up, marking where I needed to grind and reassembly after grind was the time consuming part.

I'm also using KB pistons. PN KB192's I believe with the 12cc dish. My current cam has .550 lift and when I clayed it I had plenty of clearance. I'm hoping I have enough for .600 lift also, thinking of upgrading to a UD cam with that amount of lift on a 105 lsa. Should idle like crap but hopefully pull pretty good once it comes on the cam.

Later,

------------------
James
67 Coupe
393W, 4 Speed,

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Buster
Gearhead

Posts: 1437
From: Hurricane alley
Registered: May 2002

posted 05-10-2003 01:04 PM     Click Here to See the Profile for Buster   Click Here to Email Buster     Edit/Delete Message   Reply w/Quote
67Coupster, what rod length and block are you using?

[This message has been edited by Buster (edited 05-10-2003).]

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67Coupster
Gearhead

Posts: 181
From: Fortson, GA, USA
Registered: Oct 2001

posted 05-11-2003 06:56 AM     Click Here to See the Profile for 67Coupster   Click Here to Email 67Coupster     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Buster:
67Coupster, what rod length and block are you using?

[This message has been edited by Buster (edited 05-10-2003).]


I'm using stock 351 length H beam rods and a '73 block.

------------------
James
67 Coupe
393W, 4 Speed,

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