# dyno #s sbc
 

Any guessers out there.

:whistle:Dart shp block 385 cid
Eagle 3.75 forged crank,& 6" rods w/their esp treatment
-16 Srp slugs fitted w/Mahle rings.
Clevite
Madara (rm builder ) stick
lsa 112, 6.9 overlap, 1.5 ratio, duration I=228 E=234 lift
.5553 .53415
Morel retro
Manley pushrods
AFR 195 aluminum milled to 70cc
Scorpion 1.5 rockers
Rpm air gap
Pro Systems carb
Msd ignition
all Arp fasteners

I would be surprised if it didn't make 450 HP and 475# TQ....with the right tune.

The cam is to small for big power i have 335ci with 12.1 with 58cc alum heads 740 lift rollor cam made 685hp

418 hp @ 5800 rpm

I would say 480 lb/ft @ 4500 RPM and 470hp@ 5500RPM. These are through the dyno headers. I would expect one of Bob's cams to hold the hp within 2 for about 4-500 RPM. My 383 was very similar with Bobs cam in it and a set of ported trick flows, I was running a single plane though.

fixx
 

ya @ 7500 rpm's..

sbc #s
 

462h 459t
Incorrect metering blocks out of the box. Patrick to ship new ones ASAP. don't know if I'll pull again.
This engine replaces a 1988 350 mag 250-270h 300-325t.
Going in a 5000# bow rider.
Mr Gadgets building me a BADD AZZ B 1 . Thanks for the intrest.
Lots more of this story to follow.
P.T.L.
Rory

what RPM did they happen to occur at?

hp @5700 tq@4700

@3600 h=295 t=430

What are good a/f #s ??. Thanks for the input.
P.T.L.
Rory

Kind of depends. No load idle you can run 13.8-14.0 when warmed up.

For a N/A motor 12.8-13.2 is usually a safe starting point.