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schuie
10-14-2004, 12:03 PM
I was wondering if i made my 400 to a 426 if i needed to press a new sleeve in the jug, or if i only needed to do that for a 440 kit. Thanks
sharkinthepool
10-14-2004, 12:10 PM
NO!!! No, new sleeve is necessary but you will have to get it bored a little! The 440 requires the sleeve and boring with the overbore done first!
Colby@C&DRacing
10-14-2004, 02:29 PM
You can bore the stock sleeve on the 400ex to accept a 426 piston but at that point the sleeve is very thin and could break. All of the 426 kits that I built have a new larger sleeve install that goes from 426 to 445 cc.
cals400ex
10-14-2004, 10:28 PM
if your looking for simplicity, go with the 416. it will have great power gains, good reliability, and save you money. i actually had a 406 that ran pretty similar as my more modded 426 does. so, that isnt' a bad route either.
LazeR
10-14-2004, 10:34 PM
Originally posted by cals400ex
if your looking for simplicity, go with the 416. it will have great power gains, good reliability, and save you money. i actually had a 406 that ran pretty similar as my more modded 426 does. so, that isnt' a bad route either.

Did you resleeve ? or are you on the stock sleeve still ?