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Preparing First-Start of New Engine
Posted by: Frog ()
Date: September 14, 2018 10:51AM

I'm nearly at the point of staring my "new" engine. New meaning new pistons, cylinders, camshaft, lifters, carburetors, and fuel pump.

The carbs and fuel pump are rebuilt. Do I need to "prime" the carbs or will they fill up after a few revolutions of attempting to start the engine?

I've spun the oil pump with break-in oil. Engine will be tight. I keep thinking the starter won't turn it fast enough to start . . .

Thank you.

Frog

Rob Lane
Clayton, in the Northeast Georgia Mountains.
1964 500 Coupe
Purchased by me in April of 1964.

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Re: Preparing First-Start of New Engine
Posted by: toms73novass ()
Date: September 14, 2018 11:06AM

If you are using a mechanical fuel pump you should do the "fozzy bear" routine. With all fuel lines hooked up you loosen the fuel pump retaining bolt which allows the fuel pump to rise up a little bit and it will easily move up and down in the bore a bit. The press down on the top of the fuel pump and release, you will get a "waka, waka, waka" sound and you will then start to fell hear a bit of a change when the fuel starts to get to the pump. You want to continue a bit till the float bowls fill.
At that point if you move the throttle linkage you should get a squirt of fuel above the throttle plate.

If electric, just run a bit till you get the squirt with throttle linkage movement.

-Tom


63' Monza Spyder Convertable (in process) MY Build Thread
65' Monza MY Build Thread
73' NovaSS 454 Big block
86' BMW 325es
98' Dodge 2500 12v Cummins Diesel with 1200 lb torque!
98' VW Jetta TDI, for daughter
01' Audi Allroad Stage 3 twin turbo

NFCC
Grand Island, NY

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Re: Preparing First-Start of New Engine
Posted by: toms73novass ()
Date: September 14, 2018 11:09AM

Also, when you spun the oil pump did you rotate the crank slowly with a wrench? If you did not the oil will not have fully filled through the crank ports and some of the bearing will not have oil in the galleries before the initial start.

-Tom


63' Monza Spyder Convertable (in process) MY Build Thread
65' Monza MY Build Thread
73' NovaSS 454 Big block
86' BMW 325es
98' Dodge 2500 12v Cummins Diesel with 1200 lb torque!
98' VW Jetta TDI, for daughter
01' Audi Allroad Stage 3 twin turbo

NFCC
Grand Island, NY

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Re: Preparing First-Start of New Engine
Posted by: Frog ()
Date: September 14, 2018 11:15AM

Thanks for the quick reply. That procedure sounds cut and dry.

Regarding spinning the oil pump; I followed the procedure. In fact, I'd forgotten to tighten the valve-cover bolts and oil leaked out from them. I also saw oil seeping out from the main bearings.

Thanks, again.

Frog

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Re: Preparing First-Start of New Engine
Posted by: Wagon Master ()
Date: September 14, 2018 12:04PM

It used to be a nervous moment starting a fresh engine. That goes away with proper preparation. Fuel, ignition timing and everything else should be double checked so it starts INSTANTLY. Should fire off like you shut it off this morning.

'29 Ford Model A Tudor
'61 700 Lakewood 110 4 speed
'69 Monza Convert. 140 Auto.
'70 Dodge Challenger R/T 440 4 speed

Been aircooled since 1973
Northwest Ohio

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Re: Preparing First-Start of New Engine
Posted by: Frog ()
Date: September 14, 2018 12:33PM

Yeah, at 75, I can't take too much stress.

What you're saying Wagon Master is that even though this engine is tight, my starter shouldn't have any problem spinning that thing around enough for it to fire off presuming fuel flow, ignition timing, along with all that other double-checking.

If you've "Been aircooled since 1973," you're not that much younger than I.

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Re: Preparing First-Start of New Engine
Posted by: Wagon Master ()
Date: September 14, 2018 01:01PM

If the starter is in good condition with a fully charged battery it should turn it over fine. If it doesn't.......find out why.
You should have already done a static valve adjustment. Hopefully correctly.
Do distributor install per this guide.
[autoxer.skiblack.com]
Fill carbs. through vent until you just see a trickle out the venturi cluster.
Set chokes.
If it doesn't start after 10 seconds.......STOP. Find out why. Quite cranking.


'29 Ford Model A Tudor
'61 700 Lakewood 110 4 speed
'69 Monza Convert. 140 Auto.
'70 Dodge Challenger R/T 440 4 speed

Been aircooled since 1973
Northwest Ohio

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