Thumper's engine on the Dyno


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By RB - 13 Years Ago
I just finished up dyno testing my 433 Lincoln Y block that is going in a 56 Mercury replica of the Thumper car that ran on Daytona Beach in 1956.

Engine specs are 4.1 x 4.1 433 cu in 9.25 compression 240@50 cam with .525 lift. For testing I used an adapted Victor Jr intake from a scrub and a 750 Holley. When it goes in the car it will get a M-335 2x4 intake. It should move that Merc along smartly.
By mctim64 - 13 Years Ago
Looks good!
By 46yblock - 13 Years Ago
The old Lincoln will make it's presence known Exclamation Mark .  Are the air/fuel ratios correct?
By RB - 13 Years Ago
Mike, I used E-85 as fuel. It takes about 30% more volume . Those A/F ratios translate to about 12.5 to 1 for gasoline
By yalincoln - 13 Years Ago
nice job royce, can't waite to see it at columbus. you don't have a youtub for sound?
By RB - 13 Years Ago
Pictures of the 433 Lincoln with the adapted Victor Jr manifold.

 

 

 

By mctim64 - 13 Years Ago
What kind of headers do you bolt to it?
By RB - 13 Years Ago
The adapters will take the ubiquitous scrub header that all dyno operators have on hand..

When is the next outing for Elwood?
By yalincoln - 13 Years Ago
say Royce, spread port sbc headers are real close. are you going to dyno the engine with the M335 intake to see how much difference it makes?
By glrbird - 13 Years Ago
Royce

I just LOVE the way you make crap work. You are a true hot rodder at heart!

By mctim64 - 13 Years Ago
RB (7/2/2011)
When is the next outing for Elwood?

If I can get the Uni all lined out for Bonneville there is another event at Eagle Field on the 31st, there is sposed to be timing equipment this time. Smile

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