427 Cammer, 427 Series - Ford Mustang Forum
 
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post #1 of 8 (permalink) Old 12-07-2006 Thread Starter
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427 Cammer, 427 Series

I understand that a variant of the 427 series was used in some mustangs during the late 1960's, and that some variants of the 427 Cammer could produce up to 600Bhp....these engines are of particular interest to me as they have a very high compression ratio, of between 10.5, 11.5 and 12.0

How would a stock GT fare if it was fitted with a 427 of some sort or another, how straight forward would the swap be and would todays Mustang be able for the torque produced?

From what I've seen and heard and read, the 427 is a tight fit in most engine bays, and it is recommended that you don't try to fit it in anything smaller than a boss 429, as per this article:

George Boskovich’s ’69 Mustang
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post #2 of 8 (permalink) Old 12-07-2006
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IIRC, the big block boss machines weren't exactly "factory". they were sent out to be modified pretty heavily to accept the big block engines. Most of the mods were engine compartment, and front suspension mods IIRC.

I don't know that I woudl want to shoehorn 600hp into a classic flimsy chassis to start with. The results could be really ugly with a 40 year old unibody.

Stick with the small block engine. IIRC, the big block machiens didn't handle exceptionally well either, and were a bear to get stopped. One article I think I remember well enough to quote said that after about 100mph the handling was so bad on these (big block) cars new that you didn't want to go any faster. It had something to do with the weight distribution bias with the big engines, and the weak link front suspension.

Good luck with that.

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post #3 of 8 (permalink) Old 12-07-2006
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Agreed, the big block machines were most definitely made for drag racing, not taking corners. If you want big power in a relatively light car and decent handling, your best best is a supercharger or other power adder on a mod motor or Windsor motor engine.

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post #4 of 8 (permalink) Old 12-09-2006 Thread Starter
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So what is todays Cammer all about? Would you class that in the same "Big Block" grouping?

Here is the cammer that is currently being sold, 4.6 and 5.0l variants of the original 427 {7000cc, 7.0l }

Would you consider that at all suitable for being dropped into a classic Mustang chassis, or even todays version?MachineDesign.com: Ford Cammer 5.0L V8 - Crate engine for grownups
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post #5 of 8 (permalink) Old 12-09-2006
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The new cammers are not a variant of the original 427. They are part of the modular motor series thatr Ford began using in the early 1990's. However, that 420 horse, 5.0L one is really strong. Too bad it's so expensive, they may actually have taken a large share of the crate motor market with a motor like that.

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post #6 of 8 (permalink) Old 12-20-2006
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Go for the big block, my friend!

There is a company by the name of Genesis Performance Castings in Indianapolis, IN. They purchased the 427 SO molds from Ford, improved it, and currently offer crate 427 SO engines in both cast iron and Aluminum. It is possible to produce aluminum 427 engines which weigh less than 400lbs, complete engine. As for installing the engine in your 'Stang, well, that depends on the year model. '67 to '73 all came with big blocks optional, mostly the 390. The mounts are the same. It is wise to weld your shock towers and install a monte-carlo bar when you put a lot of power in the old unit-body cars. You can also install frame rails and rear end links. I have a good deal of experience with the front end components, and I can tell you that nothing could be simpler than modifying the front suspension of a Mustang to hold up a big-block. Kits are available from California Mustang (where I got mine) and many other places. Upgrading to disc brakes is VERY easy, and even with a 390 installed, your pony will stop better than a comparable Camaro with a 350 (it will still be lighter!)

The biggest obstacle when going from a small block to a big block is the transmission and mount, but even that is fairly easy.

Long story short, the 427 is EXTREMELY expensive, but not the boat anchor you might think it is. Remember "Bullit"? That was McQueen's personal Mustang, with a big rompin' 390 under the hood. Properly set up, even a big block Mustang can out-corner the competition of the day. Certainly, a Charger had no chance at all. I owned one of those, too, and I can tell you that even the worst handling Mustang can easily out corner any Charger.

And I have driven the big block Mustang at speeds well over 100mph. As I said, properly set up, these are very stable cars at high speed. My '68 Cougar just gets cooler and cooler the faster I go.

Go for it, man! Slam a 390, 429, or 427 in that Mustang! You will learn a lot of curse words doing it, but once finished, you will NEVER regret it.
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post #7 of 8 (permalink) Old 12-22-2006
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Don't know if the Cammer will fit a modern Mustang or not but here are the measurements best thing to do is get out the tape measure and see.

427 SOHC width=32in length=34in heigth=30in weigth=680lbs

390/428 30in 34in 29in 625lbs

Boss 429 30in 34in 30in 635lbs

289/302/5.0 24in 29in 27in 460lbs

351W 25in 29in 29in 500lbs

You may really not need or in the end want the Cammer, its expensive and not actually the best street motor. Because of it's overbore design it is a high rpm motor i.e. it makes all its power on the top end. The 428 is actually a better street motor as it is designed more for torque in the lower rpm range where most cars live. The 427 is expensive the 428 less so but will still put a dent in your wallet.

Your best option may be a stroker, the small blocks fit everything and the weight savings are substantial. The 302/5.0 can be stroked to 347 cid and the 351W to 427 and beyond. In the end you get the power and torque you want with less weight and more cash left over for other upgrades on the car that you are going to need to do anyway to handle the increased power.

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post #8 of 8 (permalink) Old 12-22-2006
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The 427 SOHC fits a 94-98 car and presumably fits 99-04. There was a black 05 GT running around one of the major shows with a SOHC 427 in it, NASTY car

The 4.6s are nearly as wide as the cammer, it wouldn't surprise me if it fit well, and I know standard FEs fit.

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