Guess horsepower [Archive] - Chevelle Tech

: Guess horsepower


69malibu350
Nov 30th, 07, 11:45 PM
Hi all,
I have a 350 bored 30 over with 2256f flattop trw pistons, trick flow twisted wedge heads, isky 292 mega cam 505 lift, crane hi intensity roller rockers, weiand team g intake, 750 holley dp, msd billet 55551 distributor with 6al box, hooker 1 5/8 headers, 2 1/2 inch full exhaust with muffers. Any hp number estimate.

Thanks,
Troy

69bu
Dec 1st, 07, 9:12 AM
I would guess from 400-425.

onovakind67
Dec 1st, 07, 9:53 AM
What's the altitude in Wyoming?

DOUG G
Dec 1st, 07, 10:23 AM
375ish

69malibu350
Dec 1st, 07, 10:01 PM
5000 feet in my home town.

davis95
Dec 1st, 07, 10:09 PM
At least 400. Maybe a little more with proper tuning.

69malibu350
Dec 1st, 07, 10:42 PM
Ok thanks guys.
Have always wondered what a ball park figure would be.

Troy:beers:

onovakind67
Dec 2nd, 07, 12:52 AM
EA3.2 sees it like this at 5000' with a belt-driven pump and clutch fan, typical windage and production bearings and rings. You lose about 75 hp at that altitude.

RPM···········2000····2500····3000····3500····4000 ····4500····5000····5500····6000····6500
Brake_Tq······186·····222·····253·····264·····285· ····323·····322·····294·····263·····233
Brake_HP······70.7····106·····144·····176·····217· ····277·····306·····308·····300·····288
Exh_Pres······.1······.2······.3······.4······.6·· ····1.0·····1.3·····1.5·····1.6·····1.8
Int_Vacuum····.2······.5······.6······.6······.6·· ····.6······.8······.9······1.0·····1.2
Vol_Eff_%·····62.0····67.5····74.7····78.9····85.5 ····95.2····98.1····96.0····93.3····91.0
Actual_CFM····137·····187·····248·····305·····378· ····475·····543·····584·····619·····654
Fuel_Flow·····41.7····56.7····75.3····92.8····115· ····144·····165·····177·····188·····199
A/F_Mix_Qal···92.1····100.0···98.5····100.0···100.0· ··100.0···100.0···100.0···100.0···100.0
BSFC··········.589····.537····.521····.528····.529 ····.522····.539····.575····.626····.690
BSAC··········7.418···6.755···6.561···6.644···6.65 7···6.571···6.788···7.245···7.884···8.688
Friction_HP···20······29······39······51······66·· ····86······108·····133·····162·····197
Mach_#········.156····.195····.234····.273····.312 ····.351····.390····.429····.468····.507
Piston_Spd····1160····1450····1740····2030····2320 ····2610····2900····3190····3480····3770
Piston_Gs·····258·····403·····581·····790·····1032 ····1306····1613····1952····2323····2726
Overlap_%VE···-6.3····-5.1····-2.6····-3.3····-2.1····2.5·····2.5·····-.4·····-2.0····-2.5
Int_AvgVel····105·····131·····157·····184·····210· ····236·····262·····288·····315·····341
In_InertiaPrs·.0······.2······.6······1.1·····1.6· ····2.1·····2.4·····2.5·····2.4·····2.2
In_ResTunPrs··0.0·····0.0·····.0······.0······.0·· ····0.0·····0.0·····0.0·····0.0·····0.0
Ex_AvgVel·····134·····168·····201·····235·····268· ····302·····335·····369·····402·····436
ExTun_Prs·····.6······.4······-.3·····-.1·····-.6·····-1.5····-1.8····-1.9····-1.3····-.9

69malibu350
Dec 3rd, 07, 12:06 AM
Thats pretty cool.
Thanks onovakind67:thumbsup: