355 Small Block

Reply Subscribe

Thread Tools

Search this Thread

Apr 16, 2010 | 02:37 PM

BakerUSAF 86T/A

Thread Starter

Junior Member

Joined: Apr 2010

Posts: 47

Likes: 0

From: Michigan City, Indiana

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

Last edited by BakerUSAF 86T/A; Apr 16, 2010 at 02:41 PM.

Apr 16, 2010 | 02:59 PM

built91Z28

Supreme Member

Joined: Feb 2010

Posts: 1,446

Likes: 2

From: Orlando

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.

Apr 18, 2010 | 03:13 PM

greatskiiiier

Junior Member

iTrader: (1)

Joined: Dec 2008

Posts: 91

Likes: 0

From: NY

Car: 98 z28

Engine: ls1

Transmission: t56

Axle/Gears: 12 bolt/ 4.11

Re: 355 Small Block

find out exactly whats done, but my guess is 300-450 all depends

Apr 19, 2010 | 02:54 PM

BakerUSAF 86T/A

Thread Starter

Junior Member

Joined: Apr 2010

Posts: 47

Likes: 0

From: Michigan City, Indiana

Car: 1986 Pontiac Firebird Trans Am

Engine: 350 Small Block Bored .30 to a 355

Axle/Gears: 3:73

Re: 355 Small Block

Quote:

Originally Posted by greatskiiiier

find out exactly whats done, but my guess is 300-450 all depends

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?