Thread: 400M crank in 302 block?
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07-30-2010 03:58 AM #1
400M crank in 302 block?
So I got a bone stock 302 minus the cam,intake,and carb. I have a Edelbrock Torker 2 intake. The 302 is out of a 1970 Mercury Comet. The motor is completely taken apart and ready for the hot tank. My plans are to completely rebuild the motor and go with a 347 stroker kit. But I also have a running 400M out of a 1976 LTD 98,000 original miles. So my real question is would a 400 crank even work in a 302? why or why not? Also I'm trying to scrounge up some parts to complete the 302. If you got any and I mean any 302 parts sitting around, and wouldn't mind parting with them let me know. I'm would rather recycle used parts then buy new. I'm up for trades,partial-trades ,and cash. Oh and one last thing. Would the torker 2 intake be a good choice in a street car?
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07-31-2010 12:30 PM #2
The crank will not fit. Totally differnt engine blocks I believe.A Ranchero is NOT an El Camino
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07-31-2010 12:35 PM #3
I was thinking the same thing. As they say, anything can be made to fit anything else, but I think the cost to modify one to work would far exceed the cost of a good stroker setup..........IF you could find someone to do the work.
I weighed the options and decided on a 331 stoker kit for my 27 vs a 347. From what I was able to read on various forums the 331 presents less long term wear issues, and less initial clearance issues. I bought a Scat kit and it went in just like it should, although on initial fireup it is a little noisy. Once it warms up it gets quiet. According to conversations I have had with Scat and Keith Black Pistons, some strokers are noisy, some are not.
Don
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07-31-2010 02:21 PM #4
No it will not fit and even if it could it would hit the piston skirts.
The same problem exist with the 351 windsor.
Your better off buying a stroker kit
with the stronger rods and crank anyway.
You could build a Mexican style boss or a clever motor.
And they are fast as S__t. and are capable of 10,000 RPM's.
They use a stronger 289 rod on a 302 crank with a cleveland piston
and cleveland head with a specail intake. several company's are making the intakes now.
The engine needs to be balanced againand a better crank can be used but is not necassary if you stay below 10,000 RPM's.
Kurt
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07-31-2010 06:31 PM #5
That manifold is rated to make power 2500-6500, so you will need a looser torque converter if you're using an auto trans or you could use a manual transmission with it. The looser converter will allow the motor to rev past the dead zone (idle to 2500) on acceleration. The car will be a turd if you use a stock torque converter with this manifold.
http://www.edelbrock.com/automotive_...rker-289.shtml
http://www.edelbrock.com/automotive_.../5000/5021.pdf
I strongly suggest you pay attention to Don's suggestion of using a 331 kit instead of the 347 kit.
I would build the motor with 9.5:1 to 9.8:1 static compression ratio and install a retro roller hydraulic cam, something along these lines....
http://www.summitracing.com/parts/CRN-449601/Last edited by techinspector1; 07-31-2010 at 06:42 PM.
PLANET EARTH, INSANE ASYLUM FOR THE UNIVERSE.
Good to have her home finally, still need to go back and give her another polish after messing with the engine stuff. Made it up to Idaho. Also a local show.
New guy from Utah.