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| Performance Anything you ever wanted to know about boosting the performance of your Cavalier. |
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#1
12-09-2008, 03:57 PM
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pistons
whats the difference between dish pistons and low compression pistons
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#2
12-11-2008, 03:44 PM
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Re: pistons
I don't really do any internal engine work, but here's what I remember from school.
Dish pistons are sortta dish shaped... they have a lip around the outside that is higher than the rest. Low compression pistons just have lower compression than stock. Adding on forced aspiration could require the use of lower compression pistons if the engine has high compression already. I don't know of anything else they would be used for. Dish pistons could also be low compression pistons.
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'04 Cavalier coupe M/T 2.2 Ecotec Supercharged 14 PSI boost, charge air cooler, 42# injectors Tuned with HP Tuners Poly engine/trans/control arm bushings Self built and self programmed progressive methanol injection system
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#3
12-12-2008, 02:25 PM
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Re: pistons
High compression piston 12.1:1
 Stock Compression Ecotec Pistons 10.1:1  Low Compression Ecotec Pistons 8.5:1  Lower the compression ratio, the deep the dish gets. The higher the compression, the dish goes away and relief cuts are made for valves.
__________________
Please don't PM me with your J-body Issues. Post appropriately in the forums, and I will toss my opinion in your thread if I have anything to help. - Thanks! 2006 Chevrolet Trailblazer 2010 Glastron GT 205XL
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#4
12-13-2008, 08:30 AM
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Re: pistons
so which one do you recommend me to use
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#5
12-14-2008, 06:32 PM
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Re: pistons
Turbo charging - Low compression
Supercharger/rebuild - stock N/A power maker - High compression
__________________
Please don't PM me with your J-body Issues. Post appropriately in the forums, and I will toss my opinion in your thread if I have anything to help. - Thanks! 2006 Chevrolet Trailblazer 2010 Glastron GT 205XL
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#6
12-14-2008, 08:06 PM
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Re: pistons
can you tell me where can i get this low compression piston i will really appreciated
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#7
12-14-2008, 10:45 PM
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Re: pistons
E-mail or call Karo @ www.carcustoms.net
He is one of the best j-body parts distrubutors around. When possible I buy everything through him. email: [email protected] phone: (818) 502-1073 Tell him Cody who works at RD Fabs recommended you to him. 
__________________
Please don't PM me with your J-body Issues. Post appropriately in the forums, and I will toss my opinion in your thread if I have anything to help. - Thanks! 2006 Chevrolet Trailblazer 2010 Glastron GT 205XL
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#8
12-15-2008, 12:27 AM
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Re: pistons
ok...ill do that but what compression ratio do i use
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#9
12-15-2008, 01:08 PM
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Re: pistons
he special orders wiseco's, just request the low compression ones. They'll be in the 8's.
__________________
Please don't PM me with your J-body Issues. Post appropriately in the forums, and I will toss my opinion in your thread if I have anything to help. - Thanks! 2006 Chevrolet Trailblazer 2010 Glastron GT 205XL
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#10
12-15-2008, 09:11 PM
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Re: pistons
ok ill do that...i was about to buy the 10:1 compression but my friends told me that i need low compression piston if im boosting my car nut i wasnt sure
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#11
12-22-2008, 10:11 PM
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Re: pistons
cody, karo said that there is no need to get the lower compression he said the 9:1 will be good
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#12
12-23-2008, 02:50 AM
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Re: pistons
If the stock compression is 10:1 and he's got 9:1, yea those will work just fine. For your head gasket order a cometic MLS HG and get the thickest one they offer. It will also lower your compression a smidge more if you'd like.
Karo is the man.
__________________
Please don't PM me with your J-body Issues. Post appropriately in the forums, and I will toss my opinion in your thread if I have anything to help. - Thanks! 2006 Chevrolet Trailblazer 2010 Glastron GT 205XL
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