The best rear end suspension system.

[james]

In all the cumulative years of experinece from you boys, what would be the best type of rear end suspension for getting traction? Would it be a four link, cal tracs, the maier system or something else. The car in question is a 1966 mercury comet cyclone pushing close to 900hp. And what is the biggest tire I can use? Even considering the crites system of gaining 2" (I think?) or some other way of making more room.  Thanking y'all in advance.

[Autoholic]

It all depends on the application. What works best for drag racing traction, will not be the best suspension design for road racing traction. A multi-link solid axle is usually better for drag racing, but IRS is better for taking corners.

[machoneman]

Yes, and you didn't say what the primary use of the vehicle is. Drag-only, street-strip, road-racing, primarily cruising with an occasional WOT blast ?

[jayb]

I've run as fast as 9.30 on Cal-Tracs, and they are reasonably street friendly.  Unless its a strip only car, that would be the way I'd go...

[james]

Yes, and you didn't say what the primary use of the vehicle is. Drag-only, street-strip, road-racing, primarily cruising with an occasional WOT blast ?

My bad, I kind of knew I should have been more specific. This is primarily for street use and no cornering. Thank you!

[scott foxwell]

I've run as fast as 9.30 on Cal-Tracs, and they are reasonably street friendly.  Unless its a strip only car, that would be the way I'd go...

X2 on the CalTracs. I have a friend who has an early Camaro with leafs and CalTracs and he's run 7's. Nitrous 10.5/275 car. They can be set up to work very well.
Biggest tire is whatever you're willing to work under the car. Mini tubs you can run 315's (12" tire) or bigger, depending on the metal work. I'm doing a 67 Fairlane right now and about the biggest you'll get under that with stock sheet metal is a 275/60. Your car should be very similar.

[TimeWarpF100]

In all the cumulative years of experinece from you boys, what would be the best type of rear end suspension for getting traction? Would it be a four link, cal tracs, the maier system or something else. The car in question is a 1966 mercury comet cyclone pushing close to 900hp. And what is the biggest tire I can use? Even considering the crites system of gaining 2" (I think?) or some other way of making more room.  Thanking y'all in advance.

I had 325 50's on my '66 Cyclone

x3 on the Caltracs. Put them on my truck and a HUGE difference.

[fryedaddy]

my 66 comet has hoosier quicktime pro 26x9.5 dot slicks on it with stock leafs with traction bars and thats about all i can get under it stock.but they fit good and i like them.

[FElony]

Doesn't matter what suspension you hang out back. 900 hp on the street and you are going to die. Cheers!

[Phil Brown]

Doesn't matter what suspension you hang out back. 900 hp on the street and you are going to die. Cheers!

Were all going to die  it would just be more fun with 900 hp.

[fryedaddy]

im guessing the 900hp engine is not fe

[james]

im guessing the 900hp engine is not fe

You would be guessing wrong. I've been a Ford guy since the early 1960's and my dad worked for
Ford for about 35 years. Born and raised in Detroit Michigan. The following is engine parts. https://i.imgur.com/LrnabJa.jpg

https://i.imgur.com/g1YQTCz.jpg  https://i.imgur.com/sz3EC9L.jpg  K-9 Kasse heads and hemi valve covers. Here's the 460 block at my engine builders.  https://i.imgur.com/fZYydqx.jpg

[Heo]

But a 460 aint a FE

[jayb]

Doesn't matter what suspension you hang out back. 900 hp on the street and you are going to die. Cheers!

Were all going to die  it would just be more fun with 900 hp.

^^^ This 

[Falcon67]

Another vote for CalTracs, leafs (either stock or Cal mono) and matching shocks.  They just work.  I haven't changed the settings on mine in years.  As for tire, I'd not be sure on a Cyclone.  My Falcon is tight, with rolled lips and 4.5" back space I can run 275-60x15 drag radials or 28x10.5 slicks and just barely clear the leaf springs.  Slicks grow enough to leave rubber on the leading edge of the rocker panel at the rear wheel well.  In fact, I did some "drag strip body work" in that area.  (several blows with a 2lb hammer - do what you gotta do to clear the tires, fix it right later)