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Engine size after bore?

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Old Aug 13, 2006 | 04:43 PM
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85T/A350's Avatar
85T/A350
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Joined: Jul 2006
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Car: 1987 Pontiac Trans Am
Engine: 350 Vortec
Transmission: 700R4
Axle/Gears: 3.42
Engine size after bore?
What does a 350 that is bored .40 over end up becoming?
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Old Aug 13, 2006 | 04:44 PM
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Sonix
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
357 I think.
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Old Aug 13, 2006 | 08:21 PM
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ede
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From: Jackson County
it's still a 350 with a +.040 over bore, it doesn't become anything new or special with a little maintance work preformed on the holes.
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Old Aug 13, 2006 | 08:21 PM
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Damon
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From: Philly, PA
356.9 ci, or just 357 for short.
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Old Aug 14, 2006 | 12:35 AM
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rik89gta
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From: CHICAGO
Car: 89 FORMULA 350
Engine: 5.7 L98
Transmission: 700R4
Axle/Gears: 9 BOLT/ 3.27 GEARS
Originally Posted by ede
it's still a 350 with a +.040 over bore, it doesn't become anything new or special with a little maintance work preformed on the holes.
Yeah Your right... But a couple more cubic inches will definitely pump up the torque and power a little bit. Thats extra performance that cant be achieved any other way!
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Old Aug 14, 2006 | 12:45 AM
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Sonix
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
yea, those 7 cubes better be working damn hard for ya though! If you're gonna notice them that is.
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Old Aug 14, 2006 | 12:51 AM
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rik89gta
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From: CHICAGO
Car: 89 FORMULA 350
Engine: 5.7 L98
Transmission: 700R4
Axle/Gears: 9 BOLT/ 3.27 GEARS
I would think that 7 extra cubes should be noticeable. Especially after hearing many posts about things like, air foils, kn filters, smog pump delete, and descreened maf's, "making a noticeable difference" LOL
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