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Old 05-14-2009, 04:33 PM   #1
alboy91lx
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Default piston?

so i pulled the head off to do a head gasket and i noticed the piston has so markings on them... they say L2455 75mm... are these stock?
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Old 05-14-2009, 04:35 PM   #2
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oh ya this is a pic of the pistons...
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84 Ford SVO
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Adjustible Boost Control
Stinger Performance 3 inch turbo back
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and stupid flat top pistons!!! (bought car this way)
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Old 05-14-2009, 05:50 PM   #3
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Ummm, those aren't stock pistons to the best of my knowledge. The stockers are dished.
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Old 05-14-2009, 08:19 PM   #4
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Cool

SpeedPro .030 flattops. They raise your compression around 2 points. If you keep 'em you're just begging for trouble! They need to go away!

http://store.summitracing.com/partde...M&autoview=sku
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Old 05-14-2009, 08:41 PM   #5
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whats wrong with them besides more compression? cant i just run less boost and make the same power?
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84 Ford SVO
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Aeromotive fuel pressure reg
Adjustible Boost Control
Stinger Performance 3 inch turbo back
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and stupid flat top pistons!!! (bought car this way)
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Old 05-14-2009, 11:10 PM   #6
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whats wrong with them besides more compression? cant i just run less boost and make the same power?
Is that a serious question?
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Old 05-15-2009, 12:41 AM   #7
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In these engines? no, sorry but those pistons are just asking for trouble
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Old 05-15-2009, 12:55 AM   #8
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om well since there pistons are 3.810 and stock is 3.800 do i just need to buy new pistons... i have stock pistons lying around can i make them work? so these pistons are probley the reason i couldnt get the thing to run good withut it knocking...
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84 Ford SVO
K&N Cone Filter
Aeromotive fuel pressure reg
Adjustible Boost Control
Stinger Performance 3 inch turbo back
17 psi of boost
and stupid flat top pistons!!! (bought car this way)
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Old 05-15-2009, 01:41 AM   #9
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Originally Posted by alboy91lx View Post
om well since there pistons are 3.810 and stock is 3.800 do i just need to buy new pistons... i have stock pistons lying around can i make them work? so these pistons are probably the reason i couldnt get the thing to run good without it knocking...



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Old 05-15-2009, 05:09 PM   #10
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well that sucks... i guess race gas will have to do... lol
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84 Ford SVO
K&N Cone Filter
Aeromotive fuel pressure reg
Adjustible Boost Control
Stinger Performance 3 inch turbo back
17 psi of boost
and stupid flat top pistons!!! (bought car this way)
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