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413 motor

2469 Views 10 Replies 8 Participants Last post by  Smokey
will a 413 motor bolt up to a 360 fourspeed tranny?
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Well, the bellhousings are different from 413 to 360, but with the correct years of transmission, pilot bushing size and input shaft length, it oughta be doable. What years are the engine and transmission?
A 413 is a "RB" engine ( big block like the 440 ) and a 360 is a "LA" engine ( small block ). So, you'll need a big block bell housing.
the reason they don't interchange is because the starter is in a different location between the la's, b/rb's, and slant sixes.
the bolt holes and alignment dowels not lining up between a small block and big block would make a big difference as well. If you get a BB bellhousing, the starter will be where you need it also.
what years did the 413 come in and what vehicles i have a guy telling me there is no such thing as a 413 so what gives
I know it came out in the early 60's.. and have found it in a couple of trucks up till early 70s'. But don't have time to look up the exact years of production right now.
Sig Sauer the 413 came out in 1959 or 1960 in cars. Around 1963 it was dominating at the drag strip known as the 413 Max Wedge. 1964 I believe the 426 Wedge was introduced and it took over at the drag strips and circle track till the 426 Hemi came out. The 413 stayed in production till the mid 70's or so only available in large trucks. It was also available in Industrial form where it had 2 oil filters and a 8 bolt flywheel flange. Many dump trucks, grain trucks and school busses had 413's in them.
I think it was Dick Landy that actually had a 426 by late '62, but he was a "factory insider".

Grumpy Jenkins, famous for Chivolays later, first got famous building and driving 413s for someone else...

I'll try to find the photo I posted on RCC long ago, of a gorgeous 413 with 2 4bbls on the factory long ram intake. What a spectacularly beautiful engine..!

Yep, late '63 early'64 the 426 replaced the MaxWedge, and it was a bit quicker, but the 413 is/was no slouch, and continued in Imperials and 300s until (i think) '65. There are also hundreds, probably thousands, of old motor homes rotting in side yards... with 413s (and 440s) in them.

The only one that is hard to adapt is the large industrial and full marine 413, which had a lot of different bolt-ons.

The passenger car, medium duty truck and motor home 413s are essentially a bolt-in,.... IF you can find a bellhousing, otherwise, find a 413 automatic, and swap the tailshaft of a 4x4 727 onto the motor home 727, and have a ball...
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Here's some C300 info... confirming that the 413 was VERY real !

And some overview..

Some evidence of the motorhome linkage... from an interview with a Travco motohome executive

Note the mention of "high power" 318s that existed before NOx rules dropped the compression ratios...
TONY: Why did Travco put bigger and bigger engines in the motor homes? Did they realize they were underpowered at first.
JOE: No actually they weren't underpowered. Those first ones had the 318 engine in them. This was before CAFE (Corporate Average Fuel Economy) so they used leaded gas and got a tremendous amount of power out of them. I believe that engine produced 280 horsepower originally. Over the years, Travco also used a 383, a 413, and of course, the big block 440, then. Now that engine was a powerhouse. CAFÉ or a demand for better fuel economy forced all automobiles to rethink the engines they used and the amount of horsepower they could get out of them. In other words, as fuel economy had to increase, the engines could not produce as much power, so they had to go to a larger engine to boost horsepower back up. I believe yours has the 440. Now that 440, of course, that's just a workhorse of an engine. What do you get, about 10-12 miles per gallon?
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