Ad another one to the family

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Scott H
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Ad another one to the family

Post by Scott H »

My dad recently bought this ‘62 convertible Monza.
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Scott H
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Ad another one to the family

Post by Scott H »

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It has been sitting for a long time and doesn’t run very well. The lifters have failed. We tried to adjust them last weekend and they just got noisy again. We also changed the wheels out.
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bbodie52
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Re: Ad another one to the family

Post by bbodie52 »

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:clap: Pretty exotic looking wheel and tire combination! Really stands out on that dark blue EM convertible. What is the wheel brand and specs and tires sizes you are running?

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Brad Bodie
Lake Chatuge, North Carolina
Image 1966 Corvair Corsa Convertible

joelsplace
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Re: Ad another one to the family

Post by joelsplace »

Lifters failed?
How long have you run it and what oil are you using?
"Got noisy again" so they were quiet? They are probably ok but either need some time put on them or adjusted again or both.
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Re: Ad another one to the family

Post by bbodie52 »

Scott H wrote:It has been sitting for a long time and doesn’t run very well. The lifters have failed. We tried to adjust them last weekend and they just got noisy again...
Image https://www.amazon.com/Marvel-MM13R-Mys ... en_US&th=1

Image https://www.amazon.com/Liqui-Moly-20004 ... uage=en_US

I've always heard additives like these can clean up sticky, gummed-up hydraulic lifters. Do you think your Corvair might benefit by giving it a try? Perhaps a chemical additive might clear up this problem. :dontknow:

Best Oil Additives for Lifter Noise and How To Fix It
:link: https://carpassionate.com/best-oil-addi ... ter-noise/

:whoa: Or is that just one of those...

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:confused:
Brad Bodie
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flat6_musik
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Re: Ad another one to the family

Post by flat6_musik »

Nice car. I love the '62s. Did you check if the adjusting nuts aren't just backing off easily?

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Re: Ad another one to the family

Post by bbodie52 »

:goodpost: I also have a special memory and fondness for the 1962 Corvair. I was married at age 19 in 1972 with a 1962 Corvair Monza serving us as our ride (honeymoon too, in Monterey, California and San Francisco)! My first engine rebuild (accomplished when I was 16 in 1969) was a 1963 engine that powered that 1962 Corvair. :clap: ::-):

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How long will we have been married this year? :think: :dontknow:

Starting date: April 1, 1972
Upcoming Anniversary date: April 1, 2020 (Changed from "Ending Date", which didn't sound so good!)

Number of days between dates: 17,532
Number of weeks between dates: 2,504.57
Number of months between dates: 576.00
Number of years between dates: 48


:oldtimer: :funnypost: :thumbsupwink:

Corvairs last a long time, and some of that longevity became a part of our marriage!
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:woo:
Brad Bodie
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Scott H
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Ad another one to the family

Post by Scott H »

joelsplace wrote:
Tue Mar 17, 2020 8:31 pm
Lifters failed?
How long have you run it and what oil are you using?
"Got noisy again" so they were quiet? They are probably ok but either need some time put on them or adjusted again or both.
I was able to get them to get quieter but not all of them. But after driving it home (25 miles) my dad said they were loud again.
He got some new ones already. We will install them in the next few weeks Lord willing.

Also the tires rub a little. 205/60/15 on 7" wide 0 offset wheels.
I think we will need to go with 205/50/15 to fix it. But that means not being able to run the BFG raised white letter tires as they don't make them in a 205/50/15.

It needs a few small things...carbs rebuilt, fuel lines put back to stock, new mirror on passenger side, seatbelts. But other than that its a really nice car.
It might need springs too. It sits slightly lower on the drivers side.
Scott

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Scott H
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Re: Ad another one to the family

Post by Scott H »

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Re: Ad another one to the family

Post by bbodie52 »

According to the Tire Rack website, the tires available in size 205/50R15 are EXTREME or ULTRA HIGH PERFORMANCE SUMMER or RACETRACK & AUTOCROSS ONLY/MAX PERFORMANCE SUMMER or some form of competition or summer tire. Only 3 tires are listed in GRAND TOURING ALL-SEASON or HIGH PERFORMANCE ALL-SEASON. The latter few have a Section Width of 8.4", a Tread Width of 6.5" - 6.9", and an Overall Diameter of 23.1".

The BF Goodrich RWL P195/60R15 is somewhere in-between your current tire size (P205/60R15) and the 205/50 series tires. Do you think this reduction in size for the BF Goodrich RWL tires would be enough?

ImageImage RADIAL T/A
:link: https://www.tirerack.com/tires/tires.js ... dial+T%2FA
P195/60R15
87S SL
400 A B---1,190 lbs---35 psi---11/32"---21 lbs---5.5-7"---6"---7.9"---6.7"---24.2"---859---MX
P205/60R15
90S SL
400 A B---1,301 lbs---35 psi---11/32"---22 lbs---5.5-7.5"---6"---8.2"---6.7"---24.7"---842---MX

Bryan Blackwell wrote:Having said all that, I surfed over to The B.F. Goodrich site to come up with some examples of tires that would work well on Corvairs. They have data sheets for all of their tires there, I used the specs from the Radial T/A here, other models will be a bit different. You should be aware that the sizes are a range, so it's a good idea to get the data sheet if you can, especially if you have chosen a size near the limit of what will fit. Unfortunately, BFG doesn't offer a 13" Radial T/A that will work well, these are 14, 15 and 16 inch:

P185/70R14 (all)
P195/70R14 (all, good replacement for 1960 - 65 6.50-13)
P205/70R14 (all, good replacement for 1966 - 69 7.00-13)
P205/55R15 (all)
P195/60R15 (all, good replacement for 1960 - 65 6.50-13)
P195/65R15 (all, good replacement for 1966 - 69 7.00-13)
P205/60R15 (all, good replacement for 1966 - 69 7.00-13)
P205/55R16 (a little tall, may rub on an early, fits lates)
:link: http://autoxer.skiblack.com/tires.html

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I was thinking that your current lifters may just have some "varnish" or deposits built up that are causing the internal pistons to stick and not adjust properly to keep the lifters quiet. Perhaps one of the oil additives will clean things up enough to allow you to keep the old lifters in service?
If the used lifters get mixed up, you should discard them and install a new set of lifters and break the cam in again as you would on a new cam and lifters. You can use new lifters on a good used cam, but never try to use used lifters on a new cam.
Brad Bodie
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Image 1966 Corvair Corsa Convertible

joelsplace
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Re: Ad another one to the family

Post by joelsplace »

New lifters are a bad idea. They are very hard on a used cam.
If you have some that are collapsed you can take them apart and clean them. If the face is damaged then the cam is also.
Where do the tires rub? I have 225/45R17s on an EM with 7" wheels and they don't rub with normal driving. You can make them rub a little bottoming out in a corner but they are bigger than yours.
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Re: Ad another one to the family

Post by Jerry Whitt »

Looks like an alternator was added. Good!


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Scott H
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Re: Ad another one to the family

Post by Scott H »

Ok we found the rubbing issue. Patch panel underneath was sticking out. We just bent it out of the way.
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Re: Ad another one to the family

Post by Scott H »

Another issue needs fixing.
The fuel gauge reads full all the time.


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Re: Ad another one to the family

Post by bbodie52 »

Here is some material, including some theory on how the fuel gauge circuit functions. Hopefully this will help with your troubleshooting...

The attached wiring schematic shows the fuel gauge circuit on the LM Corvair. This is a very basic circuit, with power coming from the fuse block via a 20 Gauge B/P (Black with Pink Stripe) wire to a connector on the fuel gauge. You should be able to measure 12V DC at this connector with a multimeter (with the key ON) with the other multimeter lead grounded. The other fuel gauge connector is a 20 Gauge T (Tan) / 20 Gauge BRN (Brown) (on 1963 and earlier) wire that is routed to the fuel tank sending unit. The sending unit must be properly grounded to function. When the tank is empty, the sending unit basically is at 0 ohms resistance, and full current flows through the gas gauge, giving an indication of Empty. As the fuel level rises, sending unit resistance increases, which reduces current flow and moves the needle toward Full. You should be able to ground the Tan wire at the fuel tank to obtain an Empty reading, and an open circuit (tank wire disconnected) should show a Full meter reading. Note that the gauge itself must also be properly grounded for the "F Coil" (as it is referred to in the description) to be properly energized to pull the needle to the F mark. If the ground connection on the instrument panel is faulty, the "F Coil" will not be energized properly, and the gauge will not function properly.

You should use a multimeter to verify the presence of 12V DC at the gauge input. The resistance (ohm) setting on the multimeter can be used to ensure that the gauge housing itself is properly grounded to the car chassis. You should also be able to measure 12V DC at the fuel tank wire, with the other test lead grounded. If the voltage is missing there, you may have a broken or loose wire between the gauge and the fuel tank sending unit. (All voltage checks are done with the key ON)

If the voltage is present where it should be (at the gauge input and at the fuel tank sending unit wire connector), and if you have a good chassis ground at the gauge housing and at the fuel tank sending unit, there is a possibility that the gauge itself has failed. If you determine that the gauge is faulty, you may be able to get a used fuel gauge on eBay.

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Brad Bodie
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Scott H
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Re: Ad another one to the family

Post by Scott H »

Thanks for the info on the fuel gauge.

We are going to try the marvel mystery oil and Lifter additive before we replace the lifters.
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We also flipped the front trim pieces over. They were on upside down. I see that allot on 62’s.
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