11.7@115mph

 

115mph sounds good...alright thanks.

 

i agree. my brother has a 69 at 3200lbs with dart pro 1 heads, holley 750, a similar cam, th350, 3.89 gears and runs low 12's. my 73lt has double hump heads, th350, 650holley, and 3.73 gears. it runs 12.7 with exhaust, 12.5 w/o.

 

you guys cant pin point a speed based on such little info.all cars and engines are different,theres no saying what hell do so stop guessing,why doesnt he put his money where his mouth is and get that sucker on a track,no bs excuses about ho wit was missing during the run or spun the tires hard.what u run is how fast i tis,period

 

You have got this wrong:

This isn't my car.

I was wanting estimates on it's capability.

Wanted to know what could be expected.

They are good estimates of it's potential.

No, the track time and mph it runs is not how fast it is. It is only as fast as the driver/conditions can make it. The car isn't in a solo here.

He isn't talking trash.

Estimates were inquired about...it gives a better idea.

Think about it...

 

simple if you want hp estimates.if you cant get 1 hp per cubic inch these days geta new engine builder.so start there,383.most guys are getting around 1.2 hp per cubic inch,so thats 459 hp,guys on the up and up are getting around 1.3 hp per cubic inch,so now your at 497...so figure somewhere between there.thats as good of an estimate as you can hope for

 

So let's say I had a 383 stroker with stock cam/stock heads/stock intake/carb.

Compare that to a 383 stroker with .591 lift cam(example)/Brodix Track 1 heads/air gap intake with bigger carb.

Do they still make the same hp/per cube



See my point...you can get a more solid ball park figure by getting similar combo numbers at the track (mainly mph is what I'm concerned with) than saying "go by cubes" which is busted by my example

 

no your being a wise ***.if you read my post i said you should get 1 hp per inch these days so your stock 383 should get close to 380-400 hp,that would be just about 1 hp per cubic inch ge tit?now you bolt on your nifty brodix heads and your in the 1.2-1.3 hp per cubic range,get it??that puts you into the 450-500 hp rANGE,GET IT?,NOW THES EFIGURES ARE GOOD BALL PARKS FOR STREETABLE ENGINES OF COURSE.WHEN YOU START GOING TO 230 CC HEADS AND 14-1 COMP AND 600 LIFT CAMS THEN ITS A WHOLE NEW GAME BUT YOU WONT BE DRIVING THOSE ON THE STREET

 

By Adding A Good Aftermarket Head Will Only Add 40-50 Hp To An Engine,give Or Take A Few Depending On Application.and A Bigger Carb Wont Neccessarily Translate Into More Horsepower.a Well Done 383 Should Get 450-475 Easy If It Has Half Way Decent Componenets

 

The thread was intended for a close guess looking at the title, based on knowledge or experience I think. Thats what I did anyways. A 383 with ok heads might only gain 40-50, my 388 with good heads has a lot more. Engines vary greatly depending on the combo, sorry if we mad ya mad with our simple guesses Anthony.

 

The responses were great...you can get pretty good estimates when people have similar combos.

I don't know why the 1 h.p per cube thing was brought up...that isn't near as accurate. Anthony was probably in a bad mood when he first posted

 

at least i got the fricking ***** to post my opinion unlike the "on the fence "goofs..........well maybe if and or but..........

 

Anthony - Calm down. It's the internet