Hi David,
I thought that Chrysler discontinued the 413 in 1966. I would guess that
the engine in the 70's motorhome would be a 440. But even if 413's were
made into the 1970's, you will have problems because:
1. 1961 was the last year for the cast iron torqueflight tranny. The tranny
in the motorhome is probably a aluminum case 727 that uses a column shift
arrangement. Definitely not compatible with your pushbuttons in your 1961
Chrysler which actuate a shift cable to the tranny.
2. The 1961 and earlier 413's have a different flange on the crankshaft that
bolts directly to the torque converter. The 1962 and later 413's have a
flange on the crankshaft that bolts to a flex plate, that in turn bolts to
the torque converter. Again, not compatible. If you could find a 413
crankshaft from 1961 or earlier, you could switch it with the one in the
70's engine and then it would bolt up to the torqueflight tranny currently
in your 1961 Chrysler. You may be better off trying to find a 1961 or
earlier 413 if you want to avoid a crankshaft swap.
3. On the 1961 413 engines, there should be an engine code stamped into a
flat boss up front near the distributor. The code should be "R41", "R" for
1961 and "41" for 413. The 61 Newports came with a 361 engine as standard,
so you might see "R36". Similarly, for a 383 equipped 1961, you would see
"R38". The 300G's with the 413 crossram engine will have the code "R41HP"
since these engines had dual valve springs, a higher performance timing
chain, etc, in addition to the crossram induction arrangement.
4. Sorry, I don't know much about performance parts availability for the
413. Best regards, Jiim
-----Original Message-----
From: David Charles Gedraitis <dcg@xxxxxxx>
To: L-FORWARDLOOK@xxxxxxxxxxxxx <L-FORWARDLOOK@xxxxxxxxxxxxx>
Date: Wednesday, February 07, 2001 8:19 PM
Subject: [FWDLK]
>hi list,
>
>alrighty-as far as I know, there were two different types of 413 out
>there. One was for trucks, one for cars. Is there anyway to tell without
>having to pull the motor apart to look at the bolt pattern on the crank?
>I've been offered one fairly cheap from a 70's motorhome-any thoughts on
>how well this will fit in my '61 newport? Is this motor different from
>the ones that came in the 300's? And if this is the motor I think it is,
>what trannies could I bolt it up to? Would they fit in my car? and what
>performance parts are out there for this? I'm looking for some real power,
>so i'm looking for some thoughts on building up a motor like this?
>thoughts in general?
>
>~dave
>
>'61 Newport
>'67 Kaiser M-715
>'55 Windsor Wagon
>
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