427 Side-oiler - approx. horsepower?

[vector1]

well just to verify and vilify, you all got me thinking, and i plugged numbers into eap.

using stock stroke & bore (not likely), the small edelbrock al performer heads (there is a larger size), stock dual plane intake with engine heat, crane cam that specified 10-1 compression, 10.5-1 compression, peak tq was 474 at 4500, peak hp was 467 at 5500. this is conservative.

larger edelbrock head showed 483/472 with no other changes,

stock 428 cj head showed 462/450 with no other changes,

large valve 302 boss heads showed less power yet.

and jeez man, this is the 429/460 forum. if you had one of those you'd be making a ton of power! hah, take that all you fe-aphiles.

[elmariachi]

Originally Posted by patrickt

Two four barrels will give you more horsepower, but you lose the benefit of the center hung floats.

There are no curves in south Texas so I can handle that.

Originally Posted by patrickt

You also lose the beautiful Turkey Pan.

Didn't have one yet anyway.

Originally Posted by vector1

peak tq was 474 at 4500, peak hp was 467 at 5500. this is conservative.

I have a fresh 427 SO, 4.250 bore, 9.8:1 compression, Comp 294S flat tappet (.605 lift), a set of new-out-of-the-box unworked medium riser heads, Erson roller rockers, Le Mans rotating assembly, Sidewinder intake and a 750 Mighty Demon and it made 451HP and 482 ft lbs of torque at the flywheel on a bonafide NHRA engine dyno. Plug that into your eap and tell me what it says. The software will claim much more.

[vector1]

Originally Posted by elmariachi

There are no curves in south Texas so I can handle that.



Didn't have one yet anyway.



I have a fresh 427 SO, 4.250 bore, 9.8:1 compression, Comp 294S flat tappet (.605 lift), a set of new-out-of-the-box unworked medium riser heads, Erson roller rockers, Le Mans rotating assembly, Sidewinder intake and a 750 Mighty Demon and it made 451HP and 482 ft lbs of torque at the flywheel on a bonafide NHRA engine dyno. Plug that into your eap and tell me what it says. The software will claim much more.

these are the same specs the other guy has engine-wise, he has more compression, i used the same cam, same intake, same carb. looks like your numbers are inflated. i'll take the newer edelbrock aluminum heads over your unworked medium riser heads anyday.