Home | Register | Login | Contact Us

 
Auto Math
Classifieds
Forum
Gallery
Games
Garage
Tech Articles
Utilites
 
FAQFAQ    SearchSearch    RegisterRegister    Log inLog in    Log in to check your private messagesLog in to check your private messages    Forum Subscriptions1/4 Mile Table 

Questions on a 73 440 Mopar rebuild:

 
Post new topic   Reply to topic    SMOKEmUP.com Forum Index -> Mopar - Big Block
View previous topic :: View next topic  
Author Message
jeep_406
Member


Joined: 12 Sep 2002
Posts: 1661
Location: Tewksbury, Mass 01876
53123.48 points


1972 Chevrolet Nova

PostPosted: Tue Feb 18, 2014 1:05 am    Post subject: Questions on a 73 440 Mopar rebuild: Reply with quote

It's been awhile since I posted on SMOKEmUP.com
Have a friend who wants to pick up some performance with his 67 Satellite. It's got a 73 440 in it. He runs a 727 automatic with a stock converter and a 3.23 rear end gear.
Probably will never be taken to the strip. Figure we're best to try and pump up as much torque as possible and still run pump gas. It has power brakes.
Haven't done any BB Mopar work in years. Any stock heads to stay away from. I think it has an Edelbrock Dual Plane manifold. 73's are listed as having 8.2 compression. Any cam suggestions? Figure on keeping the redline around 5K-5500 RPM. Driving
Back to top
View user's profile Send private message Send e-mail
Big Dave
Moderator


Joined: 04 Dec 2005
Posts: 2622
Location: Tampa Florida
119003.04 points



PostPosted: Tue Feb 18, 2014 10:00 am    Post subject: Reply with quote

Consider the 440 to be an over sized small block Chevy. Anything you can do to improve a smog era SBC will work just as well on the 440 only you get better responses as the larger displacement and longer stroke magnifies the improvements. This implies higher compression pistons and new aftermarket heads.

Pistons cost about the same as you would find in any other big block as the same companies you would source for the SBC sell 440 pistons in all three materials found in street driven motors.

If a rebuild and the price of aluminum heads are prohibitive or you seek a higher level of power than a relatively stock normally aspirated motor will provide you can take advantage of the current motors low compression to turbo charge the stock motor.

Big Dave
Back to top
View user's profile Send private message
jeep_406
Member


Joined: 12 Sep 2002
Posts: 1661
Location: Tewksbury, Mass 01876
53123.48 points


1972 Chevrolet Nova

PostPosted: Tue Feb 18, 2014 11:15 am    Post subject: Reply with quote

Thanks Big Dave,
Don't know just what the guy is looking for right now. I believe he thinks he's going to kiss hone the block, put in rings and bearings, change the cam & make 450 HP. The engine has about 90K on it, so I'd be surprised if the bore is good.
Jeep Driving
Isn't turbocharging a kick. My son has a T-Type 3.8 Buick that went 135.55 MPH at New England Dragway last year before it took out a head gasket.
Back to top
View user's profile Send private message Send e-mail
af2
Member


Joined: 01 Sep 2003
Posts: 5541
Location: grassvalley, ca
70697.60 points


1933 Willys Coupe

PostPosted: Tue Feb 18, 2014 8:53 pm    Post subject: Reply with quote

Gene I had 2 440's. The last one was a 69 rated at 375 hp that I ran in my flat bed delivery truck, People used to get pissed when they couldn't pass me going up the hill towards the shop.

The first thing I would do with that 73 is put a set of pre 70 heads on it. The difference is amazing. But premium fuel is needed.
Back to top
View user's profile Send private message
jeep_406
Member


Joined: 12 Sep 2002
Posts: 1661
Location: Tewksbury, Mass 01876
53123.48 points


1972 Chevrolet Nova

PostPosted: Tue Feb 18, 2014 9:45 pm    Post subject: Reply with quote

Thanks Adam,
I think the owner may have access to some earlier heads. I'm pretty sure he doesn't have the money to update to a roller cam setup. If I get the job, I hope to start it in a few weeks. I'll keep you posted.
Gene
Back to top
View user's profile Send private message Send e-mail
af2
Member


Joined: 01 Sep 2003
Posts: 5541
Location: grassvalley, ca
70697.60 points


1933 Willys Coupe

PostPosted: Tue Feb 18, 2014 10:35 pm    Post subject: Reply with quote

Thinking again>>Another 440 with an Isky supercam was pretty impressive in the 80's. I think it was the 280...A friend ran in a boat/ car Fury. We used to call it a Furry LOL.

That was a 70 with the 10.5 compression.
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic    SMOKEmUP.com Forum Index -> Mopar - Big Block All times are GMT - 5 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You cannot download files in this forum
Home | Contact Us | Automath | Cam Files | Dyno Search | Forum | Garage | Picture Gallery | Reaction Timer

Copyright 1997-2016 SMOKEmUP.com All rights reserved.
Advertising Info     Disclaimer     Privacy Policy