Thread: 400M crank in 302 block?
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07-30-2010 04:58 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 01:30 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 01:35 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 03:21 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 07:31 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 07:42 PM.
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