1949 EL motor / cam question

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thepigstye
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1949 EL motor / cam question

#1

Post by thepigstye » Thu Oct 11, 2018 3:09 pm

Is there any issues with running a "61" cam in a 49 EL that has 74" cylinders?
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RUBONE
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Re: 1949 EL motor / cam question

#2

Post by RUBONE » Thu Oct 11, 2018 4:35 pm

It will just be slow. The 61 cam is low lift short duration made for better performance at low RPM, so it has little top end. It was also used in 74 inch engines (FLE) that were supplied after the 61 was discontinued to offer similar low end power characteristics for use in city traffic. It will work fine if keeping up with modern traffic isn't an issue.

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Re: 1949 EL motor / cam question

#3

Post by VPH-D » Thu Oct 11, 2018 6:33 pm

The Andrews J cam is a good small cam for a Pan.
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thepigstye
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Re: 1949 EL motor / cam question

#4

Post by thepigstye » Thu Oct 11, 2018 6:43 pm

I've been running a J grind in my 57 FLH since 1989. I like it. So I guess it'a ok to run a stock H cam in this set up? I have a few of them laying around.

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Re: 1949 EL motor / cam question

#5

Post by RUBONE » Thu Oct 11, 2018 10:41 pm

If you run an H cam it is imperative that the case bushing be sized properly. The journal size changed in '58 (it became larger) so the bushing in an early engine needs to be sized to the '58 up size or disaster can occur in the right case. Same with aftermarket cams, they are all sized for the needle bearing and not the bushing.

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