help me start my 305,

[mexlokote]

I recently bought a 305 engine out of a 1976 Chevy c10
Now I was told it works good,
But I have some concerns if it really does work,
I have it in an small engine stand I want to try to get it started before I drop it in on my truck

I have never done this before,

I just want a simple start, maybe have it running for 10 mins,
I want help on how to do the wiring and all that stuff
Some diagrams would help!
Thanks
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[INSIDIOUS '86]

Battery power to the distributor. Ground the engine and battery to stand power to big terminal on starter. Small terminal closes to the terminal is ignition switch for the starter. Have a radiator and some water for ten min running time.
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[mexlokote]

Thank you!
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[INSIDIOUS '86]

Before you wire it up remember a toggle switch between the battery and distributor so your able to shut it off
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[mexlokote]

Wont forget that! Thanks again
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[tommartin]

did it start?

lets see some pics...

[geezer#99]

Originally Posted by tommartin

did it start?

lets see some pics...

A video would be nicer!
Of it flying around the shop if you don't use a proper engine run stand!

[mexlokote]

The starter does spin, but I noticed that the flywheel is short and doesnt even touch the
Starter,

the engine I bought is from a manual transmissiom, and the flywheel I have is from a automatic transmission,,

U found some info online that it says the starter from an auto trans is different from a manual trans,,,,, maybe thats the issue??

Or I have a wrong flywheel?
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[mexlokote]

I have a wire running from distributor to battery and I have the big wire running from starter to battery also I have the ground from engine to battery, what else do I need to wire up?
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[INSIDIOUS '86]

The signal wire to the small terminal on the starter. Hook that up to a button and when under power it will crank the engine over
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[INSIDIOUS '86]

Is it not reaching when it comes out or is it like the flywheel is to small?
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[mexlokote]

Too small I measured the diameter and its 13inch,
Provably one more inch and it will make contact,
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[INSIDIOUS '86]

You prob have the 153 tooth flywheel. Try a starter for that style flywheel
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[mexlokote]

I took it to autoparts store and I bought the right one,

I bought one from 70's
The one I had was from an 80's engine
So I got it home and installed it, I bought some gas, and hopefully tomorrow I will try to start it
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[1slo_camaro]

do you have this on an engine stand like one you can buy at autozone for like 40 bucks? or an engine run stand? even just to start it the rattle of the motor can easily tip that engine stand over and do a lot more damage thenyou will desire....

[mexlokote]

I bought a 1,000LB engine stand for $60
And just incase I have a heavy duty cherry picker holding the engine,
Incase if flips over the cherry picker will definitely hold it
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[1slo_camaro]

idk if id leave it running for 10 min, but that is just me, I have had a big block spin completely over before and luckily all it did was trash my valve covers and that was on a 1500lb stand with 4 bags of sand on the legs so i built an extremey sturdy engine run stand that has witheld me taking a big block up to 3500 rpm

[mexlokote]

Im not gunna be running it hard and probably not for 10 mins
I just want to make sure it doesnt have any wierd sounds or knocks,
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[geezer#99]

I still say take a video of it! So we can all see it bouncing around the shop!
An engine stand and a cherry picker isn't going to slow it down. Better to start it on the floor.

[mexlokote]

i will take a video lol

[mexlokote]

does anyone know how to wire the alternator on engine stand??

that way when im in the process of rebuilding i can test it and wont have to keep charging my bettery

[1slo_camaro]

Originally Posted by mexlokote

does anyone know how to wire the alternator on engine stand??

that way when im in the process of rebuilding i can test it and wont have to keep charging my bettery

how often do you plan on running it? lol but the main post should go to your battery power. and as far as i know you should be fine as long as you arent running for hours on end

[INSIDIOUS '86]

I'm in the process of wiring up my engine now. I do know that the bolted terminal on the alternator goes to the main starter terminal were the battery cable connects
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[mexlokote]

here is the video, i was not able to keep it running, it kept shutting off,
the guy i bought it from told me the carb had water in, so im guessing carb doesnt work,
but i do have an extra Holley carb,

also the carb was leaking gas everywhere, so im asking you guys how do u hear the engine? is it good?

it does start right up but it shutts off cuz theres not enough gas getting to carb

305 engine on stand first try to start - YouTube

[mexlokote]

successfully started my engine!!

i installed the other carb had in my shop
its a Holley 650 double pumper
it starts right up,

here some videos,

You Tube

You Tube

it does not shake too much on the engine stand and cherry picker that are holding the engine,