Shopping for BHP & making comparisons..

[fastco]

Hello mates been asked over & over again both sides the pond.. when comparing engines & there quality & BHP for the price. what should i look for when comparing two like engines.
Well here is a sample build sheet for a tipical entry level Cobra engine @ 300+ BHP / real world BHP.
Chevy 355cid / 300+BHP "True turn key driveline"

1- Chevy 350 block 1970's era SVA friendly 4 bolt main , tanked & magnafluxed , all oil drain back holes casts flash removed . Block oil feed holes champered & radius to increase oil flow to crank & brgs & valve train & oil flow back to oil pan & pick up.
Block bored & honed on Sunnen CK-10 .030 overbore & decked via Rotter bridgeport mill.
New Clevite 77 cam brgs loaded , new brass frost plugs loaded into block , all threaded holes
retapped.
Crankshaft is new Eagle ESP steel full CNC machined , cross drilled mains , 3.480 stroke, indexed heat treated , internal balanced. Damper is new 8’ Power Force, 360 degreed.
Connecting rods are Engine Works street race rods 5.700 long , ARP rod bolts loaded
finished machined on Sunnen Power Stroker & all dimensions checked.
Pistons are Badger USA hyperutectic alum. flat top comp 9.8:1 comp , pressed pin type
5/64 , 5/64 , 3/16 th ring lands.
Rings are Perfect circle moly race rings , file fitted to cyln top .025 th gap 2nd ring gap .018 ths
Bearings are Clevite 77 rod & main , rod bearing clearance .002 , mains .0025th
Oil pump is Melling HV-55 high volume with ARP 4130 forged pump drive , pump stud mounted
with ARP stud kit. Oil pump pick up is Kevko high volume , bolt mounted to pump body.
Oil pan is 7qt Kevko road race oil pan with trap doors & baffles installed.
Camshaft is Engine Works USA custom hyd cam , RPM range 2200 to 6000 RPM ,cam lift is intake
.444 exhaust .468 lift , duration is 214 / 224 dregrees @ .050 cam lift , cam lobe separation is 112
Lifters are TRW hyd set @ ¾ turn from 0 lash , set cyln to cyln intake & exhaust position method.
Chain set is Rollmaster true roller chain .250 dia pins seemless , billet crank gear 3 key.
Cam lock plate used is Engine Works USA , tabs bent over bolt heads to lock them in place.
Cylinder heads are Engine Works USA GM heavyweight heads full Serdi CNC machined , valve dia. are intake 2.02 & exhaust 1.600 , heads use induction hardened exhaust seats for unleaded fuel, Heads are loaded with Comp valve train parts , springs are 1.250 dia 110 lbs seat pressure @ 1.700 installed height 300 lbs @ .500 valve lift.
Valve guides loaded are bronze type with Vition rubber oil seals installed in guide bosses.
ARP 3/8 screw in studs are installed in heads .
Rocker arms are Engine Works USA forged roller tip rockers 1.5:1 ratio , pushrods are Manton 4130 forged + .100 longer then stock @ 7.900 long for rocker arm geometry correction.
Heads are installed using new heads bolts & washers

Intake is Power + Air Gap / polished RPM range 800 to 6000 RPM , dual plane square hole carb mount.
Carb is Quick Fuel USA / Holley 650 CFM vaccum operated secondary ,road race carb ,primary jets @ .68th seconday jets @ .74th with jet extentions installed & custom billet meter plate installed.
Power valve is 5.5 Hg with power valve protection kit installed.
Vaccum secondary is quick change spring type , spring installed is short silver , assorted selection of springs supplied to set secondary opening rate.
Fuel line is dual feed chrome with pressure gauge & fuel filter installed in line.
Fuel pump is Holley 80 GPH , chrome body 5 to 6 P.S.I. with brass fittings & SS braided lines.
Ignition is Engine Works USA custom HEI distributor , recurved for engine eg 28 degees mechanical all in @ 3800 RPM’s . Vaccum advance is fully adjustable , coil is 50,000 volt high out put
Cap is HD with brass terminals .
Wires are Mega-Fire 8.5mm reverse magnetic field SS steel spirol core.
Plugs are AC R44TS gap set @ .45 th . Wire looms are R&M billet alum , wires set custom made to looms .
Ignition amp is Mega-Fire CD multi fire system with built in soft rev limiter / 6000 RPM chip installed.
Water pump is new Engine Works USA high flow pump , thermostat is Moroso high flow 180F open
Altin is 100amp chrome 1 wire GM with custom brackets.
Starter is Dura-Last USA high torque , lifetime warranty.
Flywheel is Engine Works USA 153 tooth , billet steel 4130 S.F.I. tagged legal in all classes of racing
ARP flywheel bolts are supplied. Clutch kit is Dura-Trak HD 10.5 dia with Mr Gasket mount bolts.
All engine hardware / bolts / lock washers are stainless steel.
All engine covers , are custom polished aluminum , PCV is custom billet alum , breather is K&N.
Air filter kit is Engine Works custom alum 14’ dia. 3' high.

Transmission is new TKO-500 series with output yoke & comp shifter.
Bellhousing is Lakewood S.F.I. tagged with all hardware , clutch fork is Lakewood HD clutch fork ball is Lakewood , transmission input shaft brg is Lakewood roller brg.

Engine is primed & timed & ready to fire , add coolant to engine via manifold thermostat hole fill to top ,install stat housing & fill rad & over flow tank. Hook up 12 volts ad petrol
to tank & fire up engine.

BEWARE of the terms reconditioned, refurbushed,remanufactored ,tech
inspected , high performance. these are generic terms & mean used parts installed & cheapest parts we could find loaded into your engine.

Thats it mates all laid out no questions no gray areas ,no generic terms , hope this helps when comparing engine to engine when shopping for BHP & torque / Go & show as we say.
Best reguards!
Dr.Dee