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Joined: Apr 2005
Posts: 451
CEG\'er
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OP
CEG\'er
Joined: Apr 2005
Posts: 451 |
if i get the engine bored .030 over will there be any noticable performace gain from that?
2000 contour V6 ATX
BAT suspension kit, k&n filter, SVT TB, SVT UIM, SVT LIM, MSDS headers, MSDS Y-pipe, SVT dual exhaust, Custum burned ADC chip, 7000k HID's, 200 amp HO alt, custom gauges, and 17" rims
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Joined: May 2000
Posts: 21,197
I have no life
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I have no life
Joined: May 2000
Posts: 21,197 |
OMG. Please stop all posting and search. The gain in power will be negligable. Also where are you going to get pistons for it?  If you want gains the 3L is the way to go. You have a POS ATX so you only option is TO GET RID OF IT AND GET AN MTX. You can't sqeeze blood out of a turnip.
-'96 SE MTX 3L
-'98 SVT 1,173 of 6,535
-'05 Mazda 6s, loaded, g/f's ride
-Need a 96-00 manual on CD? PM or email me
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Joined: Apr 2005
Posts: 451
CEG\'er
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OP
CEG\'er
Joined: Apr 2005
Posts: 451 |
accurate engine has pistons for it and i dont have money for a manual yet and personally id rather get a turbo 2.5 than a 3L more high eng power.
2000 contour V6 ATX
BAT suspension kit, k&n filter, SVT TB, SVT UIM, SVT LIM, MSDS headers, MSDS Y-pipe, SVT dual exhaust, Custum burned ADC chip, 7000k HID's, 200 amp HO alt, custom gauges, and 17" rims
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Joined: May 2000
Posts: 21,197
I have no life
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I have no life
Joined: May 2000
Posts: 21,197 |
Originally posted by lizard:
id rather get a turbo 2.5 than a 3L more high eng power.
And a turbo has to do with what? We'd all like one but most of us don't see the logic of putting a 5k turbo kit on a 5k car. You can't afford an MTX for a few grand but have turbo pipe dreams. Pun intended. So who is going to bore and hone and build this engine for you? You know how much it is going to cost to have this done? As much as buying another running Contour.
-'96 SE MTX 3L
-'98 SVT 1,173 of 6,535
-'05 Mazda 6s, loaded, g/f's ride
-Need a 96-00 manual on CD? PM or email me
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Joined: Nov 2000
Posts: 10,015
Hard-core CEG'er
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Hard-core CEG'er
Joined: Nov 2000
Posts: 10,015 |
Dumbass alert. 
2000 SVT Turbo 295hp/269ftlb@12psi
#1 for Bendix Brakes Kits!
Knuckles rebuilt w/new bearings $55
AUSSIE ENDLINKS $70
Gutted pre-cats $80/set
A lack of planning on your part does not constitute an emergency on mine!
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Joined: Aug 2002
Posts: 8,281
Captain Impound Boy
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Captain Impound Boy
Joined: Aug 2002
Posts: 8,281 |
Ill bore and hone it.. He gets the same killer deal the V8 RWD guy gets... 6K in labor 
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Joined: Sep 2000
Posts: 4,693
Hard-core CEG'er
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Hard-core CEG'er
Joined: Sep 2000
Posts: 4,693 |
Originally posted by lizard:
if i get the engine bored .030 over will there be any noticable performace gain from that?
NO!!!!!!!!
.030 is a clean up bore. If you get a 1% power increase you would be lucky.
You do the math. Calculate the engine displacement with the .030 overbore and then calculate haw much it increased the displacement over the stock bore. Then determine the % increase in displacement. That would be the maximum increase assuming everything else stayed stock.
Jim Johnson
98 SVT
03 Escape Limited
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Joined: Aug 2003
Posts: 4,140
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Aug 2003
Posts: 4,140 |
About 1.85%. Assuming you did a 0.030 overbore, shaved the heads/thinned the gaskets as much as possible (before something hits inside!) to boost compression, matched rings to cylinders/pistons, and all those other little tweaks that they do to race engines...
Maybe ten horsepower. And I mean maybe, you'd be very lucky to get that. And that kind of engine work would run you several grand (despite parts costs being ~0). So lets say at only $1000 (a smokin' deal!), that's $100/hp: and that's highly optimistic! Now, a 3.0L, on the other hand, would get you ~30-40 hp for not much more money: being very conservative, it's $100 per hp. More likely you'd pay $500/hp for boring, etc., and $50/hp for a 3.0L.
It's just not worth it, eh?
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