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Old 02-05-2010, 11:53 AM
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Installing 454 in car that used to have 396

Ok, I have a question (well, more of my dad's question).

Right now my '67 El Camino has a 396 hooked up to a turbo 400 trans.

What problems would I run into if I find a good deal on a 454 to install in place of the 396?

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Old 02-05-2010, 12:32 PM
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What year 454?
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Old 02-05-2010, 12:40 PM
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I don't have anything spotted just yet. I'm still in the looking on ebay and craigslist stage right now. Just trying to learn what I can so I don't waste money.

As long as I stick to a Mark IV Series big block, all should be ok right?
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Old 02-05-2010, 12:50 PM
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You will need a 454 flexplate and harmonic damper , 396s are internally balanced, 454s are externally balanced. Not much else you should need...
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Old 02-05-2010, 01:42 PM
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I just want to run this by you guys.

454 out of a late 70s - early 80s Motor Home with tranny (turbo 400). Complete. Carbureted. $800

He didn't have the casting number when I called.
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Old 02-05-2010, 02:53 PM
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Quote:
Originally Posted by Chucky5150
I just want to run this by you guys.

454 out of a late 70s - early 80s Motor Home with tranny (turbo 400). Complete. Carbureted. $800

He didn't have the casting number when I called.
We've got a couple early 80's Chevy 1 ton pickups with that engine. Its a gas guzzling gutless slug that probably doesn't produce any more than 175 hp on the best day of its life. To replace a 396 with that motor would be going backward wide open IMO. I doubt you want to end up with a big block that'll get kicked to the curb by a half decent running 283, but that's how powerless the 454's from that time frame really are.
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Old 02-05-2010, 03:12 PM
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Quote:
Originally Posted by TubeTek
...Its a gas guzzling gutless slug that probably doesn't produce any more than 175 hp on the best day of its life....
X2,
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Old 02-05-2010, 03:27 PM
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Which 396 , the 375 horse had same block as a 427 so you could bore it to 427 spec and add a 454 crank and you have a 454.325,350,360 hp had a different block
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Old 02-05-2010, 04:09 PM
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My 396 most likely has a flat cam lobe(s)
It also has been rebuilt sometime in past 40 year. I got no idea what kind of parts. But it was good enough to use as a daily driver for about 3 months.


So do I spend a little more money and go for a 454 to rebuild or stick with the 396 and rebuild that?

Sorry if it sounded like I was just going to drop the truck 454 into my Camino.

attached is the casting number from the 396
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Old 02-06-2010, 08:03 AM
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Quote:
Originally Posted by Chucky5150
Ok, I have a question (well, more of my dad's question).

Right now my '67 El Camino has a 396 hooked up to a turbo 400 trans.

What problems would I run into if I find a good deal on a 454 to install in place of the 396?
Problems, If my memory serves me correctly you'll have hood clearance issues as the 396 is a short deck height block and the 454 is a tall deck. I think everything else is swap and go.

But hey I have fords so this memory comes from helping friends

Tony
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Old 02-06-2010, 09:02 AM
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Originally Posted by Ford Junkie
Problems, If my memory serves me correctly you'll have hood clearance issues as the 396 is a short deck height block and the 454 is a tall deck. I think everything else is swap and go.

But hey I have fords so this memory comes from helping friends

Tony
With the exception of the 366 and a 427 Tall Block Heavy Truck only series the 396, 402, 427, 454 and the various crate motors derived from them are all virtually identical in height, width and length. There were no tall block 454's but good to know a Ford guy does know there were tall block Rats.
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Old 02-06-2010, 09:09 AM
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Quote:
Originally Posted by Chucky5150
My 396 most likely has a flat cam lobe(s) ....attached is the casting number from the 396
According to MorTec it's a 1969 396 2 or 4 bolt main and it was actually a 402 but Chevy still called it a 396. Get us the engine code off the pad on the right front corner of the block and we can tell you exactly what it started out as.
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Old 02-06-2010, 09:11 AM
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Quote:
Originally Posted by Hippie
With the exception of the 366 and a 427 Tall Block Heavy Truck only series the 396, 402, 427, 454 and the various crate motors derived from them are all virtually identical in height, width and length. There were no tall block 454's but good to know a Ford guy does know there were tall block Rats.
LOL I knew there was one just confused on which one and your correct it was a 427 truck engine we used that the carb lacked enough clearance to close a stock flat hood on. Too much partaking of the spirits that night when one of the guys slammed that very nice original chevelle hood down without thinking of clearance

Tony
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Old 02-06-2010, 09:12 AM
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Quote:
Originally Posted by Hippie
According to MorTec it's a 1969 396 2 or 4 bolt main and it was actually a 402 but Chevy still called it a 396. Get us the engine code off the pad on the right front corner of the block and we can tell you exactly what it started out as.
I looked there before, but I couldn't make out the any numbers.
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Old 02-06-2010, 09:17 AM
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Quote:
Originally Posted by Chucky5150
I looked there before, but I couldn't make out the any numbers.
The block may have been decked then.
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