Recent posts

#1

Engine, Transmission, Rearend, & Exhaust / Re: Best street cam for 440 HP...

Last post by Mike DC - Today at 02:13:45 PM

Here's a list of stock 383/440 HP cam specs that somebody posted on another site.  I'm not sure about the accuracy.   

https://www.forbbodiesonly.com/moparforum/threads/original-factory-cam-duration-383-440mag-was-it-228-241-or-213-225-or-208-221-ugh.85333/

440: Stock Hydraulic P4452783
Intake Duration, Nominal 268° Exhaust Duration, Nominal 284°
Intake Duration @ .050" 208° Exhaust Duration @ .050" 221°
Intake Lobe Centerline 113° ATDC Exhaust Lobe Centerline 117° BTDC
Lobe Separation Angle 115° Overlap 46°
Intake Opens 21° BTDC Exhaust Opens 79° BBDC
Intake Closes 67° ABDC Exhaust Closes 25° ATDC
Intake Lift .450" Exhaust Lift .458"
Note: original 440, Commando, 383 Magnum etc. high-performance cam
Note: 208/220° @ .050" (R. Karkashian)
Note: as installed on 113° centerline per Chrysler
 

The factory 383 Magnum had the same cam as the 440 Magnum, and the 383 Mag was civilized enough for mass production with power brakes and everything.  440 inches is about 115% of 383 inches.  So a 440 Magnum would need 115% of its stock cam airflow just to be as "souped up" as a stock 383 Magnum. 

But going bigger is only beneficial if you use it.  How often do you have the motor revving up high in real life?  If you use a camshaft to pile on more horsepower at 6000 then it's coming at the expense of grunt torque at 1500.  That may or may not suit your purposes.  Gotta keep the combo matched with the gearing & carb & manifolds. 

The motor's compression ratio is a factor too.  It affects the cam choice.  I bring this up because "stock rebuild" pistons are not always what they are advertised to be.  Some are lower compression.   
 

#2

Charger Discussion / Re: Modern Bullitt build

Last post by Mike DC - Today at 01:35:54 PM

                 
The Bullitt (stunt) Charger was not running stock tires.  There are conflicting stories about the details, but they said they were trying to slow the Charger down with smaller tires.  It was outrunning the Mustang too easily and screwing up the shots.     

The stock 1968 Charger size is F70-14.  These days the conversion charts usually call it 215/70r14 (or 225/70r14).  In reality 205/75r14 is a closer match but that size is mostly trailer tires now. 


This is an easy tire size comparison site.  You watch a little pop-up ad for like 10 seconds, and then it's ad-free for the next 24 hours.

https://www.blocklayer.com/tire-size-calculator

#3

Charger Discussion / Re: Modern Bullitt build

Last post by JMF - Today at 08:42:46 AM

Any idea what the correct tire size would be that the movie car used ?

I've heard they were F70 14 but how does that translate with the modern sizes ?

215/70/14 maybe ?

Also what would be the correct make whitewalls to buy ? Or close to it 

Thanks

#4

Charger Discussion / Re: Got a pic of your Charger?...

Last post by Kern Dog - Yesterday at 03:56:20 PM

Can't post any more picture. MY camera takes digital pictures, and this website doesn't accept my pictures. keeps sending back notice my pictures are too big with pixels. Bob Horman

If you can send the pictures to your email account, then transfer the pictures from email to your computer files, they automatically resize to under 400 MB.
I have to do that to post pictures here.

#5

Charger Discussion / Re: Got a pic of your Charger?...

Last post by John_Kunkel - Yesterday at 02:16:18 PM

Can't post any more picture. MY camera takes digital pictures, and this website doesn't accept my pictures. keeps sending back notice my pictures are too big with pixels. Bob Horman

If you're using Windows, there's an image resizing app built in.

#6

Movies and TV Shows / Re: General Mayham Road Kill 6...

Last post by Kern Dog - Yesterday at 01:07:35 PM

I agree. The shop they used was probably doing a rush job on a tight budget.
You pay more and give more time, you get a better outcome.

#7

Charger Discussion / Re: Got a pic of your Charger?...

Last post by b5blue - Yesterday at 12:24:06 PM

Down size to 1 meg.

#8

Charger Discussion / Re: Got a pic of your Charger?...

Last post by ran396 - Yesterday at 12:06:03 PM

Can't post any more picture. MY camera takes digital pictures, and this website doesn't accept my pictures. keeps sending back notice my pictures are too big with pixels. Bob Horman

#9

Movies and TV Shows / Re: General Mayham Road Kill 6...

Last post by Mike DC - Yesterday at 10:24:00 AM

   

The drag car conversion cut out parts of the car structure and replaced it with a roll cage. The diagonal trunk V bracing, trunk lid supports, the C pillar to wheel tub supports too.

It's mostly par for the course with big wheel tubs & cages.  I think some of the work on the 'Mayhem' could have been done better but it's not surprising.

#10

Aero Cars / Re: Status of my Daytona Build

Last post by DAY CLONA - Yesterday at 07:31:36 AM

Good day folks,

 It's been a while since I posted any updates on this thread. All I have added is the front wheel trim and my Pink Floyd dark side of the moon. Here is a couple of pictures. Almost 4 years ago. I have clocked over 3500 miles and enjoying every mile.

Curt

Curt I'm sure like most if not all here, I truly enjoy any and all updates and photos of this AWESOME build!...ALL the RIGHT STUFF! from start to finish, may you enjoy many more miles and smiles!

Mike