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recently inhierited a '48 flathead V8.
what type of spark plugs do i need?
what should i set the timing at?
should i convert to 12v?
what could the hp range be?
tripple dueces on edelbrock intake, offenhouser heads, thats about all i know.
what should the max rpm be?
should i use lead addative?
what octane gas?
what type of oil?
or should i just let it sit in the garage and look at it?LOL
recently inhierited a '48 flathead V8.
what type of spark plugs do i need?
what should i set the timing at?
should i convert to 12v?
what could the hp range be?
tripple dueces on edelbrock intake, offenhouser heads, thats about all i know.
what should the max rpm be?
should i use lead addative?
what octane gas?
what type of oil?
or should i just let it sit in the garage and look at it?LOL
Is this a 48 truck engine 8RT or car engine 59A? And what do you plan to do with it? This is important info.
If it takes 14mm plugs I only run Autolite 216's
Assuming its a truck engine, there is a bump on the crank pulley that is your initial timing mark (preset 4 deg.)
I run 12 V and love it in my daily driver. Up to you.
HP could be anything above 100 (stock) just too many variables - depends on the cam, do you have headers, etc? Check into msn groups 1932-53 flathead. Those guys have the scoop you need.
Wild full race engines are turning 6-7000 rpm, but for the street 3500 is about all i want to crank it.
No lead additive is needed.
For street use I use regular 87 octane. If your compression is too high, it'll ping - increase octane until it quits. This is where you might want to use an octane booster.
Oil - if it is a new rebuilt or is clean inside, I'd run regular modern oil in it. 10W-40. If it was run for years on non-detergent oils it probably has a good bit of crud inside in the nooks and crannies that can break loose with detergent oil and plug your oil pump - not a good thing. In this case use non-detergent 30 wt oil.
They do look pretty!
At This Point I'm Not Sure What I'm Going To Do With It Yet. Any Ideas?
So many ideas, so little $$
T-bucket with finned heads and megaphone-style headers
Any early coupe with a removable hood to let the engine show
8N or 9N Tractor conversion
Any T or A conversion
Any pickup that would have had a flathead in the first place
etc, etc, etc............
By the way, as you probably know the 8RT has water outlets at the front of the heads, distributor slants to the passenger side like a modern engine and the 59A has the outlets in the center of the head and the distributor is on the very front of the engine - driven directly off the cam shaft.
Dandee
That sounds like a dangerous engine for the uninitiated, lucky for you that I'm just an hour or so away and can save you from that hazardous situation.
Gimme a call and I'll be right over.
ha ha, you guys, i may not be initiated but i'm no fool.
i checked, the engine is a 59A, and like i mentioned it is in a car now so maybe i'll just take on another project.
Q , you mentioned something about finned heads, are those rare?
No, the heads aren't rare. If they were used much and have been sitting for a few years they may be corroded enough that they should be checked out before using. Offenhauser finned heads are still being produced today.
Don't scrap the engine. The 59 series is the traditional hotrodder's engine of choice because it has the right 'looks' with the center water outlets and front distributor. Thus it has some value - how much would depend on condition.
I hate to disagree with a fellow Fordbarner, but I would use a lead substitute in the fuel to protect the valves from burning. I would also use modern detergent oil. either straight 30 weight or 20W50.
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