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1977 corvette -Tires

irongate

Member
Joined
Jun 7, 2019
Messages
11
Location
Rochester Mn.
Corvette
1977 Orange Coupe L-48 auto. -stock
New to this Forum , Just purchase a 77 orange L-48 ,auto Corvette with 56990 miles on it. The tire were put on in 82 plenty of tread on them, what tire pressure would be good for running them.
also Battery was replace back in 94, everything is good on it-should I replace it?

Paint is very nice on it.

What would be a good muffler system to install on it? As it needs to be replaced.
Dynomax Exhaust is this a good one?

Thank You all.
 

LLC5

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Joined
Sep 28, 2004
Messages
2,299
Location
Wa.
Corvette
98 black 6spd convert.
Replace the tires, they are way too old. Anything over 8-10 years needs to not be driven on.

Replace the battery, test it first if you want to but a 1994 battery will have o reserve capacity.
 

irongate

Member
Joined
Jun 7, 2019
Messages
11
Location
Rochester Mn.
Corvette
1977 Orange Coupe L-48 auto. -stock
Thank You, yes I would agree on the tires. ? what would be a good tire for this?
And what size battery does that call for?
Would you suggest replacing the shocks also and what kind?

The two owners before me kept all the records of what has been done to it, even when the first owner bought it at the factor where he worked at.

Thank You for time and help.
 
Last edited:

irongate

Member
Joined
Jun 7, 2019
Messages
11
Location
Rochester Mn.
Corvette
1977 Orange Coupe L-48 auto. -stock
The tires now are BF Goodrich Radial T/A P235/60R15
Question is is this a good size to run for this car?

Thank You.
 
Last edited:

bill81vette

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Joined
Jan 17, 2004
Messages
4,316
Location
Troy,NY
Corvette
1981 dark blue metallic
Welcome to CAC!!!!!
enjoy!!!
the tire size on the vette now is a good size.
double check your exhaust.it may look rougher than it really is.
I have an '81 and as far as I know,is original,except for the magnaflow mufflers.

any more questions don't hesitate to ask!!!!
 

irongate

Member
Joined
Jun 7, 2019
Messages
11
Location
Rochester Mn.
Corvette
1977 Orange Coupe L-48 auto. -stock
Welcome to CAC!!!!!
enjoy!!!
the tire size on the vette now is a good size.
double check your exhaust.it may look rougher than it really is.
I have an '81 and as far as I know,is original,except for the magnaflow mufflers.

any more questions don't hesitate to ask!!!!

Thank You
 

Tom Bryant

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Administrator
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Nov 9, 2000
Messages
7,323
Location
Edgerton, Ohio, United States
Corvette
1959 black 270hp (9/2/69) 1981 Beige L81(10/20/80)
Welcome to the Corvette Action Center

I agree that your tires are way too old to trust on the highway. A blown tire equals massive fiberglass damage. I keep mine stock with Radial T/A 225/70R15 but 235/60 should be close to the same diameter. Download a free GPS speedometer app on your cell phone and verify your speed with the speedo to be sure your diameter is right on. If your speedo reads faster then your tire is too small in diameter and vice versa.

I replaced the original shocks on my wife's '81 that she bought new with these Delco Performer shocks last year and I couldn't be happier. The ride is way improved and the handling and road feel is also much improved. Shock technology has improved greatly since these cars were new and these shocks really make a different car out of it without over spending on high end performance shocks that ultimately require other mods to fully realize their potential.

I'd stick with a Delco battery in the size recommended in your owner's manual. Over the years I have always been very satisfied with them and got good life. I keep a battery tender on them in the winter when it sits. That does make a difference.

Tom
 

irongate

Member
Joined
Jun 7, 2019
Messages
11
Location
Rochester Mn.
Corvette
1977 Orange Coupe L-48 auto. -stock
Tom Thank You.
Have new tires coming soon, went with 235 instead of the 225 in the BFG ones.
The list is there for new parts, trying to keep it stock as much as possible. It will take some time for it to come together like I want it.
The corvette world is new to me, but have had other cars and trucks and now a 2012 jeep unlimited-that the list is long to what I have done to it.
Take it nice and slow and do it right!
 

Tom Bryant

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7,323
Location
Edgerton, Ohio, United States
Corvette
1959 black 270hp (9/2/69) 1981 Beige L81(10/20/80)
One more thing. Menards sells the same Delco batteries usually for less than auto parts stores or dealers.

Tom
 

irongate

Member
Joined
Jun 7, 2019
Messages
11
Location
Rochester Mn.
Corvette
1977 Orange Coupe L-48 auto. -stock
Tom Thank You for that note, we have two of those stores here in Rochester.
 

irongate

Member
Joined
Jun 7, 2019
Messages
11
Location
Rochester Mn.
Corvette
1977 Orange Coupe L-48 auto. -stock
New 235's on it now BF one's. nice ride now.

Next item is exhaust.
 

Tom Bryant

Well-known member
Administrator
Joined
Nov 9, 2000
Messages
7,323
Location
Edgerton, Ohio, United States
Corvette
1959 black 270hp (9/2/69) 1981 Beige L81(10/20/80)
When I put the new BFG T/A's on the '81 a couple of years ago they felt funny on the drive home but after about a hundred miles they seems to run in and I really like them now. Got a four wheel alignment at the same time.

Tom
 

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