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 Post subject: basic rebuild ideas
PostPosted: Fri Aug 21, 2020 7:02 am 
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4 BBL ''Hyper-Pak''

Joined: Sat Dec 12, 2015 4:54 am
Posts: 26
Location: Pekin, Illinois
Car Model: 1938 Plymouth 4 dr. sedan
Cheap Chuck here. FINALLY tore down my 225 /6 basically to reseal, found a bad cam lobe, so am tearing completely down to rebuild. Am able to use stock size rings, main/rod bearings but need new cam. Still using 1 bbl carb for now anyway, basically a stock rebuild. Would the Comp K64-247-4 cam kit cam be too much? 260 * duration both sides. Gives me cam, lifters, springs, seals, timing gears/link pin chain all in a "together" kit. Having the head trued up be ok too? Any suggestions would be appreciated.

_________________
Street rod an old car and then drive/use it. I'm a NSRA safety inspector if anyone ever wants that done to their car.


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 Post subject: Re: basic rebuild ideas
PostPosted: Fri Aug 21, 2020 7:14 am 
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Supercharged
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Joined: Thu Jan 27, 2005 8:32 pm
Posts: 7834
Location: Portland-ish
Car Model: Fiat 500e
That cam kit is for a hydraulic lifter engine. Do you have a hydraulic lifter engine? While not a bad choice there are cams better suited to the 225. To run a cam of that duration and no lose low speed torque you'll need to increase the compression ratio a fair amount. You'll need to measure piston deck height and combustion chamber volume to see where you're starting before making changes by milling the block and/or head.

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Joshua


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 Post subject: Re: basic rebuild ideas
PostPosted: Fri Aug 21, 2020 10:59 am 
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4 BBL ''Hyper-Pak''

Joined: Sat Dec 12, 2015 4:54 am
Posts: 26
Location: Pekin, Illinois
Car Model: 1938 Plymouth 4 dr. sedan
thanks. currently the engine has solid lifters, had to be knocked out. will look around some more.

_________________
Street rod an old car and then drive/use it. I'm a NSRA safety inspector if anyone ever wants that done to their car.


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 Post subject: Re: basic rebuild ideas
PostPosted: Fri Aug 21, 2020 12:57 pm 
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Supercharged
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Joined: Thu Jan 27, 2005 8:32 pm
Posts: 7834
Location: Portland-ish
Car Model: Fiat 500e
If you don't have hydraulic valve gear to fit to the engine you cannot use a hydraulic lifter cam.

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Joshua


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 Post subject: Re: basic rebuild ideas
PostPosted: Fri Aug 21, 2020 1:40 pm 
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Guru
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Joined: Sat Oct 12, 2002 11:22 am
Posts: 3740
Location: Sonoma, Calif.
Car Model: Many Darts and a Dacuda
This book will be helpful and answer a lot of questions about rebuilding a SL6.
https://www.cartechbooks.com/chrysler-s ... odify.html

I have a couple of new stock cams and lifters, as well as some "street performance" cam grinds so send me a PM if interested.
DD


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