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What rearend can I put in a 74 nova?
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skipin45
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Sep 23, 2013, 7:54 PM
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What rearend can I put in a 74 nova?
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I have a 74 Nova Hatchback. It has 308 gears. I want to put a posi rearend in t. But I don't know what to get. Please help.
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Tom Greenleaf
Ultimate Carjunky
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Sep 23, 2013, 8:14 PM
Post #2 of 12
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Re: What rearend can I put in a 74 nova?
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What is your objective?
T
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skipin45
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Sep 24, 2013, 6:57 AM
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Re: What rearend can I put in a 74 nova?
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Pretty much so when I do a burnout I don't look stupid, and more traction on take off if that make srnce. Don't laugh I'm new to this, this is my first old car.
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Tom Greenleaf
Ultimate Carjunky
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Sep 24, 2013, 8:23 AM
Post #4 of 12
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Re: What rearend can I put in a 74 nova?
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This is already stupid. I'm out of this thread,
T
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Hammer Time
Ultimate Carjunky
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Sep 24, 2013, 8:33 AM
Post #5 of 12
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Re: What rearend can I put in a 74 nova?
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It's pretty simple. You call around to junkyards for a car that has a posi rear end and they can advise you on which ones are interchangeable.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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skipin45
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Sep 24, 2013, 9:50 AM
Post #6 of 12
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Re: What rearend can I put in a 74 nova?
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How is it stupid to ask a question? I was told for being a muscle car it should have posi traction. I said I was new at this and this is my first old car. I don't know much that's why I'm asking.
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Tom Greenleaf
Ultimate Carjunky
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Sep 24, 2013, 10:52 AM
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Re: What rearend can I put in a 74 nova?
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I apologize and not on earth to discourage anyone's fun or hobby out there that is harmless (if so) to anyone.
American muscle cars pretty much ended in model year 1972. 1973 imposed the 5 MPH bumper law and emissions were the mandate so very few OE cars had the balls of the year before. 1974 was last model year before leaded fuel was to be phased out and forget high octane and insane HP pretty much. TMK most locale's will now allow you to do what you want that is street legal to a 1974.
Grew up with these thing new and wasn't my thing to just waste rubber which was a sport. The family station wagons could do that with no alterations.
My trouble is that you should know that a spinning wheel smoking away is not getting traction. It's when it's static to road surface the you make the insane accelerations and 1/4 mile times so posi would help for plain straight line acceleration without just burning up rubber.
So if you just want to burn rubber get a low geared rear end and lousy traction rated tires while keeping load in the back of the car low as well.
That whole era was 99% just wild HP and who could beat who off of a stop light type game. Sure, plenty of fun backing up at 40 MPH, slam into forward with wells spinning away make all kinds of fun black stripes in the road.
Parts were affordable and I just watched while wild metal parts just blew all over the place all broken from treating a car like that. No problem you had spares of everything and back at it in no time.
If you wanted to compete as a real sport on tracks and raceways made just for this is still out there now.
The muscle cars of the day lacked handling horribly. Tires were inferior as well for the best of that.
It's me - I thought it was dumb then and still do. For real sport another thing as said OFF ROADS.
I'll leave it that if you want to burn rubber only would be one objective and to take off like a rocket another.
Have driven many OE well designed plain American muscle. Have your fun and be safe and don't get hurt. Sad but we used to count the death rate of a high school graduating class back when right where I went that was unnecessary lost to that game,
T
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MarineGrunt
Enthusiast
Sep 24, 2013, 12:52 PM
Post #8 of 12
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Re: What rearend can I put in a 74 nova?
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Check ebay. There are some complete posi rear ends. Or, if you have the housing already check into an Eaton. Just give them a call and they'll be able to help tell you which one you need.
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skipin45
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Sep 24, 2013, 5:34 PM
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Re: What rearend can I put in a 74 nova?
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I also apologize, I probably explained what I meant wrong. I do want it to take off like a rocket. And I was told if I ever did a burnout I would look funny doing a one wheel burnout.
Thanks for all the answers
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Discretesignals
Ultimate Carjunky
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Sep 24, 2013, 5:41 PM
Post #10 of 12
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Re: What rearend can I put in a 74 nova?
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What engine and transmission do you have in your car?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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skipin45
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Sep 24, 2013, 5:47 PM
Post #11 of 12
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Re: What rearend can I put in a 74 nova?
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It has a 1989 454 .40 over, TH 350 trans and a TH 400 tork converter rear-end has 308 gears
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Discretesignals
Ultimate Carjunky
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Sep 24, 2013, 8:38 PM
Post #12 of 12
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Re: What rearend can I put in a 74 nova?
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12 bolt or ford 9 inch with shorter gear ratio and some type of posi unit would really get that moving quick. 3.55-3.73 is a good all around street gear, but you'll be running some higher rpms on the highway. 3.08 is mainly a highway gear made for fuel economy.
Understand that when you posi it, that means your going to have more traction which means you have a higher chance of breaking something, especially from the torque generated by a big block.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Sep 24, 2013, 8:40 PM)
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