Low Compression Piston with it work with a Blower?
#235645
02/25/09 08:55 AM
02/25/09 08:55 AM
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Joined: Jan 2003
Posts: 4,288 Danville, NH
Mopar_Mike
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Posts: 4,288
Danville, NH
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I have set of forged flat top 440 .030 pistons. These are old replacement pistons for mid to late 70's 440. They yield around 8.5.1 with a steel gasket and closed chambered head. Could I use these with a Blower or is there a technology that I am not aware of when it comes to piston use with a Blower. I do not know a lot, if anything when it comes to building a Blown engine. Thanks.
RS23L7 4-Speed
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Re: Low Compression Piston with it work with a Blower?
[Re: Cab_Burge]
#235648
02/25/09 01:02 PM
02/25/09 01:02 PM
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Joined: Feb 2007
Posts: 2,578 sweden
1Fast340
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master
Joined: Feb 2007
Posts: 2,578
sweden
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Quote:
If this is a street motor you should make sure that the piston top are thick enough to with stand detontaion ubnder boost. I'm not familar with that piston number, is it a cast piston or forged? I would not use a cast piston in a blower motor
just a question regarding this, how thick does the piston top need to be in a blown motor? sorry if it was a highjack just got a feeling that question may show up anyway
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Re: Low Compression Piston with it work with a Blower?
[Re: Cab_Burge]
#235649
02/25/09 01:11 PM
02/25/09 01:11 PM
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Joined: Feb 2003
Posts: 21,318 Manitoba, Canada
DaytonaTurbo
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Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
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Quote:
I would not use a cast piston in a blower motor
My 2.2's seen 23 pounds boost on stock cast pistons. However many guys have turned pistons to ashtrays by doing that too.
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Re: Low Compression Piston with it work with a Blower?
[Re: Mopar_Mike]
#235652
02/25/09 05:04 PM
02/25/09 05:04 PM
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Joined: Jul 2005
Posts: 8,647 ELYRIA,OH
blownzoom440
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Joined: Jul 2005
Posts: 8,647
ELYRIA,OH
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Quote:
I have set of forged flat top 440 .030 pistons. These are old replacement pistons for mid to late 70's 440. They yield around 8.5.1 with a steel gasket and closed chambered head. Could I use these with a Blower or is there a technology that I am not aware of when it comes to piston use with a Blower. I do not know a lot, if anything when it comes to building a Blown engine. Thanks.
i would have to say .200 from the top of the piston is safe for the first ring.my comp HT on my piston is 2.050.i have had my pistons out after running 8lbs for 3yrs and there is some color on the side of the piston to .150/.200.my bore is tight at.006 and the top ring gap at .023[hellfire speedpro]my piston thickness just over the rod i would say is .200. i have wiseco K373A3 w/open chamber 346 heads.8.8cr
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Re: Low Compression Piston with it work with a Blower?
[Re: Mopar_Mike]
#235653
02/25/09 06:20 PM
02/25/09 06:20 PM
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Joined: Dec 2008
Posts: 48 Muskegon MI
SMRE Performance
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member
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Posts: 48
Muskegon MI
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Quote:
I have set of forged flat top 440 .030 pistons. These are old replacement pistons for mid to late 70's 440. They yield around 8.5.1 with a steel gasket and closed chambered head. Could I use these with a Blower or is there a technology that I am not aware of when it comes to piston use with a Blower. I do not know a lot, if anything when it comes to building a Blown engine. Thanks.
What blower are you going to use? What kind of fuel? How much horsepower or boost?
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Re: Low Compression Piston with it work with a Blower?
[Re: SMRE Performance]
#235654
02/25/09 10:00 PM
02/25/09 10:00 PM
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Joined: Jul 2005
Posts: 8,647 ELYRIA,OH
blownzoom440
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Joined: Jul 2005
Posts: 8,647
ELYRIA,OH
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Quote:
Quote:
I have set of forged flat top 440 .030 pistons. These are old replacement pistons for mid to late 70's 440. They yield around 8.5.1 with a steel gasket and closed chambered head. Could I use these with a Blower or is there a technology that I am not aware of when it comes to piston use with a Blower. I do not know a lot, if anything when it comes to building a Blown engine. Thanks.
What blower are you going to use? What kind of fuel? How much horsepower or boost?
thanks for any help.
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Post deleted by Defbob
[Re: Mopar_Mike]
#235655
02/25/09 10:06 PM
02/25/09 10:06 PM
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Anonymous
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