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04-26-2021, 10:54 AM | #1 |
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59a stroker motor?
Being new to the flathead world, I have a question that may be dumb. I recently picked up a 59a engine from the estate of a dead relative. The engine is supposedly rebuilt, and was going into a '33 pickup. Aside from the Offenhauser heads, Navarro intake, and Winfield cam, it has a note with the engine stating "3/8 x "3/8. Would that refer to a stroked engine?
Last edited by threepointsmach; 04-26-2021 at 10:55 AM. Reason: misspelling |
04-26-2021, 11:01 AM | #2 |
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Re: 59a stroker motor?
Yes sir. 3 3/8” bore & a 4 1/8” stroke crank which is 3/8” more stroke than stock 3 3/4”. The crank maybe a Mercury 4” stroke offset ground to 4 1/8”. If so would have 2” crankpins & possibly 21a or 91a rods with floater bearings. Combination was commonly call 296 “Killer “ engine. A great combo. Enjoy
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04-26-2021, 12:23 PM | #3 |
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Re: 59a stroker motor?
Thank you! That answers my question. It has a great sound. We just installed it yesterday, and I wasn't sure what I had. I'm happy!
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04-26-2021, 01:17 PM | #4 |
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Re: 59a stroker motor?
As well you should be.
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04-26-2021, 02:10 PM | #5 |
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Re: 59a stroker motor?
This is the original HI Tec engine of the early 50"s. C&T automotive sold the stroker assys for $199 and Janns pistons. Compression was very high back then and dentation was common. Shouldn't have any problem today
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04-26-2021, 03:02 PM | #6 | |
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Re: 59a stroker motor?
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KIWI, How will the L-100 cam work in a 296? Streetable in a '40 sedan? Thanks! |
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04-26-2021, 03:58 PM | #7 |
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Re: 59a stroker motor?
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04-26-2021, 05:20 PM | #8 |
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Re: 59a stroker motor?
That's the cam I used, exelent combination.
Gramps |
05-02-2021, 12:41 AM | #9 |
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Re: 59a stroker motor?
KiWinUS, How does the L-100 compare to a Comp Cams Mother Thumpr cam? Last edited by 40 Deluxe; 05-02-2021 at 03:36 PM. |
05-02-2021, 05:07 AM | #10 |
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Re: 59a stroker motor?
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05-02-2021, 03:34 PM | #11 | |
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Re: 59a stroker motor?
Quote:
Glenn, Have you had any experience with either cam in a street vehicle? |
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05-02-2021, 04:05 PM | #12 |
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Re: 59a stroker motor?
None with these two. I have an Isky Max1 now and am pleased with it but at least for me, I always wonder what another XYZ cam would be like. :-)
This is a chart I complied on another thread here. I was fooling around with it today to add the CompCam but stopped lacking enough information @0.050". Since you asked, here it is. |
05-02-2021, 09:50 PM | #13 |
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Re: 59a stroker motor?
You can compare charts and dyno results all day but until you actually try a cam IN YOUR ENGINE, you can never know how they suit YOU for your type of driving.
Winfield cams are generally good for the street. Even his Bonneville grind was very mild and streetable. It would idle at 500. |
05-03-2021, 10:07 AM | #14 | |
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Re: 59a stroker motor?
Quote:
That's the hard part and expensive thing to do! So where did you start and what made you decide on your Winfield cam? Did you consider these attributes and/or others? - The longer the duration and overlap, the higher up the rpm scale the power band will be, but not ideal at low rpm for the street - The greater or larger the lobe separation for the cam, will be good at low RPMs but not so great at higher RPM. - High lift gives you more fuel-air in but can lead to longer ramps with longer duration Expensive for anyone to experiment with the same engine and dyno a bunch of cams. Glenn |
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05-03-2021, 01:34 PM | #15 | |
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Re: 59a stroker motor?
Quote:
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05-03-2021, 01:38 PM | #16 |
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Re: 59a stroker motor?
Thanks Pete!
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05-03-2021, 04:47 PM | #17 |
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Re: 59a stroker motor?
I've run the 1007B in several engines and the Max#1 was also very popular. However the 1007B seemed to pull harder and higher thru the revs. Bith have a nice idel. It might be the lift rate difference I've never measured the area under the graph/ I've only done that once as it takes time and and allot of measuring. I used 30 degrees either side of TDC. Quite a difference.
Gramps |
05-03-2021, 05:00 PM | #18 |
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Re: 59a stroker motor?
Let's face it; unless you really blow it and order a cam from "Go Cat Speed Shop" or someone similar, the choice of a camshaft in a street-driven flathead is a matter of vanity and braggin' rights.
I personally would not waste my time or money ($400) on something marketed as a "Mutha-Thumper". Pure poser. |
05-03-2021, 10:42 PM | #19 | |
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Re: 59a stroker motor?
Quote:
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