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340 build Cast or forged #750723 07/17/10 08:16 PM 07/17/10 08:16 PM
Joined: Sep 2003 Posts: 650 Kansas R racincuda OP mopar
racincuda OP mopar R Joined: Sep 2003 Posts: 650 Kansas	Well im really on the fence when it comes to a decision on pistons for my 340 This car will be pretty much a daily driver so conventional thinking says go cast however these pistons are too heavy by any sort of modern performance standard so im thinking forged I have a really nice set of 12:1 oversize pistons this pushes me over to the E85 pump about 8 miles from home or buy new pistons. IIRC light forged pistons dont have a reputation for hi mileage Sooo, who makes a light forged piston that will run as long as a cast piston ???

Re: 340 build Cast or forged [Re: racincuda] #750724 07/17/10 08:42 PM 07/17/10 08:42 PM
Joined: Jan 2003 Posts: 9,826 las vegas 70AARcuda master
70AARcuda master Joined: Jan 2003 Posts: 9,826 las vegas	Keith Black 243 http://www.kb-silvolite.com/test/kb_car/performance.php?action=details&P_id=135 Just follow the directions for the top ring....needs to have wider gap Tony 70 AARCuda Vitamin C 71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield) 71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas) 71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)

Re: 340 build Cast or forged [Re: racincuda] #750725 07/17/10 08:50 PM 07/17/10 08:50 PM
Joined: Nov 2004 Posts: 1,708 S. Il. U.S.A. 5spdcuda top fuel
5spdcuda top fuel Joined: Nov 2004 Posts: 1,708 S. Il. U.S.A.	Factory cast pistons are on the heavy side, but when comparing "apples to apples" ie. a cast piston vs. a forging of similar design forgings tend to be heavier. KB Hypers do in fact make excellent street and mild bracket race pistons.

Re: 340 build Cast or forged [Re: 70AARcuda] #750726 07/17/10 09:35 PM 07/17/10 09:35 PM
Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio Challenger 1 Too Many Posts
Challenger 1 Too Many Posts Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio	Quote: Keith Black 243 http://www.kb-silvolite.com/test/kb_car/performance.php?action=details&P_id=135 Just follow the directions for the top ring....needs to have wider gap I have em in my motor too, been a good piston for me.

Re: 340 build Cast or forged [Re: racincuda] #750727 07/17/10 10:38 PM 07/17/10 10:38 PM
Joined: Apr 2005 Posts: 1,322 Michigan C crlush pro stock
crlush pro stock C Joined: Apr 2005 Posts: 1,322 Michigan	kb for me many years and still going strong!

Re: 340 build Cast or forged [Re: crlush] #750728 07/18/10 10:38 AM 07/18/10 10:38 AM
Joined: Oct 2005 Posts: 708 Mechanic Falls, Maine 4 4BBodies mopar addict
4BBodies mopar addict 4 Joined: Oct 2005 Posts: 708 Mechanic Falls, Maine	Me too, my '73 340 cast slug motor has the KB's and doesn't seem to mind what it is at all! The best word to describe how it runs is "nervous......." 6091974-(99-07)340Assembly(Feb22,2008).jpg (69 downloads)

Re: 340 build Cast or forged [Re: 4BBodies] #750729 07/18/10 08:32 PM 07/18/10 08:32 PM
Joined: Sep 2003 Posts: 650 Kansas R racincuda OP mopar
racincuda OP mopar R Joined: Sep 2003 Posts: 650 Kansas	Thanks guys, looks like it's gonna be KB's for me

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