Starting a motor that has sat for over 20 years at least

[jhiner1978]

What do I need to replace and look out for when trying to start my 62 corvair greenbrier

I got her to start for a few seconds on starter fluid in the carbs and that was just with replacing the spark plugs, lines, condenser, dist. coil etc...

Here is what Im doing please add any other advice

1. take out the gas tank, clean and coat it
2. replace the fuel lines
3. convert to electric pump
4. rebuild the carbs
5. replaced all the electrical, dist., points, lines, and spark plugs
6. Change Oil / Oil filter
7. New belt

Im sure if the thing keeps blowing smoke like it did when I got her to start i'll have to drop the engine and replace seals, gaskets, valve stuff etc... Not so ready for that. The only engine I have ever rebuilt was a 50cc 2 stroke motor in a 78 moped - same thing just six of them on this guy right

[Scott H]

this post should be helpful to you - viewtopic.php?f=225&t=5030

[mgkoret]

Make sure with the electric pump that you put on a pressure regulator piece in the lines
The pressure difference between the mechanical and electrical pumps can cause your floats to flood like crazy
Clarks sells them in the fuel pump section I believe.

Good Luck!

[terribleted]

Make sure with the electric pump that you put on a pressure regulator piece in the lines
The pressure difference between the mechanical and electrical pumps can cause your floats to flood like crazy
Clarks sells them in the fuel pump section I believe.

Good Luck!

You can just get a pump that has proper pressure. No regulator needed. a 3-5psi pump generally works good.

[bbodie52]

You mentioned converting to an electric fuel pump. For a standard Corvair Rochester carburetor configuration I tend to feel that converting to an electric fuel pump (and its associated safety interlocks to prevent the pump from running when the engine is not running) is a somewhat expensive and unnecessary conversion. The standard Corvair mechanical pump has withstood the test of time for over fifty years. There is nothing in an electromechanical fuel pump design that is inherently more reliable — they can fail too!

You may find the following article informative...

Corvair Forum viewtopic.php?f=55&t=5041&p=33774&hilit ... ump#p33774

Replacement mechanical fuel pumps are reliable and relatively inexpensive. A good electric pump, with proper safety switching can cost many times the price of a new mechanical pump. Corvair mechanical fuel pumps have been widely tested in hundreds of thousands of Corvairs for over 40-50 years, and they are a proven product with good reliability. They are also easy to remove and replace. Both the pressure and volume output of a pump should be checked. If the pump is not leaking, and the pressure is good but the volume is low, the cause can be a blockage on the suction side of the pump – possibly in the filter in the fuel tank or possibly a collapsed fuel line. If you feel that the fault is a bad fuel pump, replace it. But I would recommend against a conversion to an electric fuel pump. It is not worth the expense. You could purchase two mechanical pumps and keep one in the trunk as part of a spares kit, and still spend significantly less than the cost of an electric pump conversion.

CLARK'S CORVAIR PARTS MECHANICAL FUEL PUMP OPTION (Page 65)
http://www.corvair.com/user-cgi/catalog ... IN&page=65


Part number C3403A: 62-69 FUEL PUMP REBUILD KITS ARE NOT AVAILABLE
Weight: 2 lbs 4 oz
Catalog Pages(s): 65
Price:
1 - 1 $ 78.45
2+ $ 74.55
==========================================================================
ADDITIONAL ITEMS - Any products listed below are possible alternate choices:
Part number C3403 (Regular): NON-GM FUEL PUMP-62-69 WILL FIT 60-61 IF ORDER C259 ROD

Weight: 2 lbs 4 oz
Catalog Pages(s): 65
Price:
1 - 1 $ 59.10
2+ $ 57.35

CLARK'S CORVAIR PARTS ELECTRIC FUEL PUMP OPTION (Page 66)
http://www.corvair.com/user-cgi/catalog ... IN&page=66


Part number C10295: ULTIMATE ELECTRIC FUEL PUMP KIT INCLUDES BOTH STYLES OF SAFETY SWITCHES
This part is a Multi Kit, which contains the following parts:
Part Number C5606: 1 x ELECTRIC FUEL PUMP & FILTER -ALSO ORDER
Part Number C5607: 1 x ELECTRIC FUEL PUMP INSTALLATION KIT *
Part Number C5607X: 1 x SAFETY SHUT-OFF SWITCH WITH FITTINGS TO
Part Number C9848: 1 x FUEL SAFETY INERTIA SWITCH

Weight: 2 lbs 8 oz
Catalog Pages(s): 66
Price: $ 241.60

As you can see, just using the Clark's Corvair Parts pricing numbers, an electric fuel pump conversion can cost up to $241.60, while a replacement mechanical fuel pump (which is normally highly reliable and easy to replace) can be had for less than $60! You could buy two mechanical pumps, and keep a spare in the trunk, for half the cost of the ultimate fuel pump kit offered by Clark's!

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If the fuel pressure is high, you could replace the fuel pump. However, a new pump can also have excessive pressure. An alternative can be to add a fuel pressure regulator – like the one shown below – to your fuel system.

Here is a link for ordering the recommended Holley fuel pressure regulator...

http://www.jegs.com/i/Holley/510/12-804 ... 1797507184

Holley 12-804 - Holley Fuel Pressure Regulators — $34.99


Holley#510-12-804

Standard Pressure Regulator
Chrome Finish
For use with gasoline
Port Size: 3/8'' NPT Inlet/Outlet
1 to 4 PSI
Includes Mounting Bracket

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Here is a reference that may prove useful for fuel tank removal and replacement...

Fuel Tank Removal & Installation
Corvair Forum viewtopic.php?f=225&t=5779