355 Small Block
04-16-2010, 02:37 PM
#1
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Car: 1986 Pontiac Firebird Trans Am
Engine: 350 Small Block Bored .30 to a 355
Axle/Gears: 3:73
355 Small Block
I'm Just about my first Trans Am today. I'm Just wondering how much horsepower a 355 Small block puts out. It's got stuff done to it but i just want to get a rough idea how much HP its got in just the motor itself.
-Thanks
-Thanks
Last edited by BakerUSAF 86T/A; 04-16-2010 at 02:41 PM.
04-16-2010, 02:59 PM
#2
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Car: 1991 Camaro Z28
Engine: 357, Canfield heads, solid roller,
Transmission: Upgraded 03 Cobra T56
Axle/Gears: 9" 3.50 gears and Detroit Locker
Re: 355 Small Block
250 to 1000 depending on whats done.
04-19-2010, 02:54 PM
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Car: 1986 Pontiac Firebird Trans Am
Engine: 350 Small Block Bored .30 to a 355
Axle/Gears: 3:73
Re: 355 Small Block
Here's whats been done to it.
-.498 lift @ 292 Comp cam
-Keith Black Flat Top Pistons (Says gapped for N20)
-Melling oil pump
-Wieand High rise intake
-750 CFM Carb w/out choke
-Headman headers
-Cut converter, Flowmaster muffler
-6a MSD box
-Newer trans, 3.73:1 gears - Richmond
-B&M Shift Kit
-External Trans Cooler
...
What do you think?
-.498 lift @ 292 Comp cam
-Keith Black Flat Top Pistons (Says gapped for N20)
-Melling oil pump
-Wieand High rise intake
-750 CFM Carb w/out choke
-Headman headers
-Cut converter, Flowmaster muffler
-6a MSD box
-Newer trans, 3.73:1 gears - Richmond
-B&M Shift Kit
-External Trans Cooler
...
What do you think?
04-19-2010, 05:44 PM
#5
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Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Re: 355 Small Block
Heads are what tell the story, and you didn't mention that.
That's a rather aggressive cam though.
That's a rather aggressive cam though.
04-20-2010, 09:08 AM
#7
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Car: 1986 Pontiac Firebird Trans Am
Engine: 350 Small Block Bored .30 to a 355
Axle/Gears: 3:73
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04-20-2010, 12:02 PM
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Car: 1988 Flame Red Trans am GTA
Engine: Forged 355 4 Bolt, FIRST TPI
Transmission: 700r4
Axle/Gears: ls1 torsen 3.42 gear
Re: 355 Small Block
by pulling off the valve cover and getting the casting numbers which are located between the valve springs...
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