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Username Post: Which Pistons        (Topic#282536)
panhandle 
Contributor
 Posts: 226

Reg: 08-01-07
 06-13-12 10:11 AM - Post#2236657    

Which pistons should I use for this engine?

406 sbc
Lunati VD .233/.241 .504/.525 LSA 110/106
64cc 180cc TFS heads
Probe +22.5cc for 9.73:1
OR
Probe +15cc for 10.46:1
Zero deck height

Need to run on pump gas


 

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Mr. Sinister 
Contributor
 Posts: 394
Mr. Sinister
Age: 35
Loc: Fair Hill, MD
Reg: 05-18-09
 06-13-12 10:17 AM - Post#2236662    
    In response to panhandle

  • panhandle Said:
Which pistons should I use for this engine?

406 sbc
Lunati VD .233/.241 .504/.525 LSA 110/106
64cc 180cc TFS heads
Probe +22.5cc for 9.73:1
OR
Probe +15cc for 10.46:1
Zero deck height

Need to run on pump gas




I'd go for the +15cc pistons. I've seen 12:1 run on 87 octane, and I personally run 11:1 with no problems.
Bill - 55 Chevy 210 2 Door Sedan
http://s18.photobucket.com/albums/b129/bluedevil fx...
Tearin' it up:
http://www.youtube.com/watch?v=Xth2oTXLk1Q&a mp;fea...


Edited by Mr. Sinister on 06-13-12 10:19 AM. Reason for edit: No reason given.

 

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55chevy383 
Senior Member
 Posts: 1278
55chevy383
Age: 44
Loc: Noble, Ok.
Reg: 12-08-05
 06-13-12 10:52 AM - Post#2236679    
    In response to Mr. Sinister

+15cc's for sure.

Phil
11.81 @ 113 N/A.
Phil's '55


 

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