I know it's not the best setup, but this is what I have to work with! What do you think I might make for HP?

69 350 stock bore with forged pistons
Trick Flow Twisted Wedge G2 heads w/ 1.5 rollers
Holley Stealth Ram with 52mm throttle body
23# injectors
Forgot what cam (will check at work)
Hooker 2055's with 3" y-pipe, catco cat, 3" back to Flowie


Thanks!

 

if you're lucky it might make 175 at the wheels, i forgot which cam i was thinking you're using when i came up with that number

 

... why so little?

 

Old 350s are dogs unlike the newer ones.

 

Except for the rear main seal and the roller cam, they are the same! What are you talking about?

 

BTW, this is that cam someone suggested.

Comp cam with lifters CCA-CL12-268-4
Basic Operating RPM Range: 1,800-5,800 RPM
Intake Duration 050 inch Lift: 224
Exhaust Duration 050 inch Lift: 230
Duration at 050 inch Lift: 224 int./230 exh.
Advertised Intake Duration: 268
Advertised Exhaust Duration: 280
Advertised Duration: 268 int./280 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.479
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.480
Valve Lift with Factory Rocker Arm Ratio: 0.479 int./0.480 exh. lift
Lobe Separation (degrees): 114
Hydraulic flat tappet


If anyone has recommendations for anything, do let me know.

 

Old 350s are just as good as a "new" 350. Roller engines area little better, but you can make any 350 a roller. The power comes from the cam/head/intake combo. The block is just a block.

 

I don't have desk top dyno but that combo should be between 315 and 350 HP at the crank depending on the little things and your tuning. What compression are we talking? Do you burn your own chips?

 

Compression will be whatever the pistons and heads decide to make it


I'm new to this engine bulding stuff, so I was just buying up good deals and was going to put it together!

This is what the pistons look like (I know, I have to paint this thing!)

 

Can't tell in the picture if those pistons are dished or flat-top. If flatop you are looking at around 10:1 compression with the 4 cutouts for the valves. Maybe a little less depending on who made the pistons. If dished who knows. Could be below 9:1.

Anyways with proper assembly, good exhaust system, good cold air intake, portmatched, with that cam, heads and Stealth Ram you have a high reving engine. I would say you can make 350HP at the crank and on up depending on the above factors. 400HP is not out of the question. However did you degree your cam??? It is things like that that will determine the final horsepower. If you don't do the little things expect the lower number. Allen

 

The pistons are flat across the top, except for the notches. So, that means 'flat top' right?

I have Hooker 2055's with a 3" exhaust the whole way back, restricted only by a 3" Catco and a flowmaster with 4" tips.

... degree my cam? Uh, what does that mean?

 

 

Anyone?