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360, 383 or 440 - which is best for the beast?



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Paronaold

Lurker

Thu 10 Jan 19 13:12

360, 383 or 440 - which is best for the beast?


This is someting I often ask myself, having owned an FF (with an E-series , high compression 383) and now an Interceptor (with a J series "woofly" 440).

I had looked at fitting a 484 into my FF https://bestarny.com/%D1%81arburetors-for-383-stroker/ (a 383 block with a 440 crank I believe) but got concerned about the fuel consumption..

Very interested in all your views....



Last edited by Paronaold on Mon 14 Jan 19 07:08; edited 1 time in total. [8 %]

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roscobbc

Committee Member

Thu 10 Jan 19 18:18

Re: 360, 383 or 440 - which is best for the beast?


Paronaold wrote (View Post):This is someting I often ask myself, having owned an FF (with an E-series , high compression 383) and now an Interceptor (with a J series "woofly" 440).

I had looked at fitting a 484 into my FF (a 383 block with a 440 crank I believe) but got concerned about the fuel consumption..

Very interested in all your views....


Kinda think you've come to the wrong place - the clue is that this is CCCUK (Classic Corvette Club) and not a Mopar forum...................
When I had a 489 stroker big block Chevy built for my Vette - at the time when dyno'd it had the second highest torque figure for a NA engine (606 ff/lbs) - the highest? a NA 496 stroker Mopar engine - beat mine my 30 ft/lbs or so Yes



Last edited by roscobbc on Thu 10 Jan 19 18:19; edited 1 time in total. [3 %]
--------------------
CCCUK Chairman
'68 coupe - 4 speed - 3.08 - 489 cu in - 570 bhp @ 5850 rpm - 606 ft/lbs torque (821 Newton Metres) @ 3850 rpm
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Redlevel

Club Member

Thu 10 Jan 19 18:40

Re: 360, 383 or 440 - which is best for the beast?


Hi..
We totally have a resident Mopar fiend on board here.. I'm sure he'll be along the noo..

Cheers,
Steve..

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roppa440

Club Member

Thu 10 Jan 19 21:47

Re: 360, 383 or 440 - which is best for the beast?


The 440 is a physically big engine for the interceptor which is why they tend to run quite hot. It's just a bloody tight fit.

If I was you I would use a 400 block and 440 crank. Something l8ke 451 inches from memory. Physically smaller and lighter than the 440. Larger standard bore than either the 383 or 440.

People like 440 Source in the USA sell good priced kits. You also have the option of a stroker crank in the 400 making it 500 inch.

The flat tappet street/strip 440 I built for my Challenger put out about 530hp at the crank and on a run I could get as much as 13 MPG on the motorway.

My mate has built a street/strip 500 inch 400 with a roller tappet cam and that dynoed at 626hp at the crank. I doubt it will get double figures on the MPG front.

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