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  #21 (permalink)  
Old 12-27-2014, 08:04 PM
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I am looking for the sound for the record I was curious that essentially glass packs were too much exhaust.
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  #22 (permalink)  
Old 12-28-2014, 06:45 AM
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Quote:
Originally Posted by Detroit Bill View Post
What have you done to the suspension?
Cobra Valley adjustable sway bars with solid links
Olthoff Bilstein shock and spring package
Howe Racing adjustable height ball joints
Adjustable tie rod ends
Solid diff mounts
Poly Olthoff engine/trans mounts
And working on replacing the squishy factory control arm bushings

Keep in mind I race this car and that these changes do sacrifice road comfort a bit.
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  #23 (permalink)  
Old 12-28-2014, 08:00 PM
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Love mine.
to each his own... but after a day in it... you will not want another.
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  #24 (permalink)  
Old 12-29-2014, 09:28 PM
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It is fine to upgrade the suspension, but you think the suspension is the limiting factor in the SPF performance? How many hours do you have racing? Start out with a stock SPF suspension and you will be fine. The exhaust is perfect on my 427/520 HP engine. It is loud, but mostly from wind noise, not engine noise unless you are on it. When you are on it for the few seconds it takes to reach 100 MPH, ear plugs are the farthest thing from your thoughts..... If you set the ride height, you will be really close to a properly balanced suspension. At least that is my experience. Ride height set to specs, corner balance scales said it was perfectly balanced. I have 17" rims with 275/45 in the front and 335/35 in the back. The front wheels just touch the frame when all the way turned. I only know because I can see the tire marks on the frame. I never noticed it driving. When I put on my Hoosier autocross slicks of the same size, my left rear tire scrapes the forward, inboard wheel well fiberglass. I know some dealers cut out that section and reverse it to avoid the rub. When you buy a SPF you don't have to do anything but enjoy driving it. Of course, it is plenty fun just to look at it too... Good luck!
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  #25 (permalink)  
Old 12-30-2014, 12:36 PM
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Default Visited a Superformance Dealer in MI

Had a great field trip today with my two sons.

We visited the local Superformance dealer
His showroom is located in Ligenfelter Performance
Lingenfelter Performance Engineering | Perfecting the art of performance for over 41 years

We then visited RM Motorsports
RM Motorsports – Wixom Michigan

First the dealer had two rollers for us to look at. The cars looked good, fabrication looked good, glass work was straight. Very sexy car, is it authentic? I am not sure I care that the body lines are "correct", they are in good proportion and look good. I am still seriously considering 17" rims so the authentic part is questionable anyway. I sat in the cockpit and the pedal setup would take some getting used to. Everything is jammed up to the left.
I guess that is the price for cramming a large engine in a small car. I have to say overall it looked like a quality build. I would put two roll bars in. I know this is frowned upon by everyone buy Patrick and I like the look better with one but I think it is prudent to have two (if they mount to the frame).

Two things the ERA web site questioned was where the outboard portion of the roll bar mounted. From an assembled car I could not tell. Second the body side of the door latch is not mounted to the frame but mounted in the fiberglass. I could not confirm either of these. Has anyone had one torn down enough to tell me where the outboard leg of the roll bar mounts? Can anyone confirm what the body side of the door latch is mounted into.

I can say except for those two questions I would be comfortable with a Superformance Chassis.

Lingenfelter was very cool. They have 2 engine dyno's and one chassis Dyno. Lots of Chevy stuff everywhere. There was a 1000 hp Vett on the lift next to the Cobra.

RM motorsports was even more interesting. They do Cobra engine and trans installs for the dealer and are certainly capable of that. Their business is to rebuild old race cars and help people race them at vintage races. It was an awesome operation with older race chassis being rebuilt and prepped.



Overall a very interesting afternoon.

I spoke to ERA and I am getting a quote on a chassis prepared similarly to a Superformance so I can do somewhat of a comparison.

Bill
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  #26 (permalink)  
Old 12-30-2014, 12:44 PM
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Both your questions are answered specifically on this page: ERA vs Superformance FWIW, I'm 6'4" with 12EEE feet. That's one of the reasons I flew up to New Britain and had what they call a "butt in seat" fitment. Suffice to say I fit quite nicely, and they moved the pedals around so my feet fit as well. It is now all second nature and I would say the car fits me like a glove.
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  #27 (permalink)  
Old 12-30-2014, 12:47 PM
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Quote:
Originally Posted by patrickt View Post
Both your questions are answered specifically on this page: ERA vs Superformance FWIW, I'm 6'4" with 12EEE feet. That's one of the reasons I flew up to New Britain and had what they call a "butt in seat" fitment. Suffice to say I fit quite nicely, and they moved the pedals around so my feet fit as well. It is now all second nature and I would say the car fits me like a glove.
Yes, I referenced that is where I got the information. But they are competitors and I wanted to see for myself or get information from someone who tore one apart.
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  #28 (permalink)  
Old 12-30-2014, 12:54 PM
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Quote:
Originally Posted by Detroit Bill View Post
Yes, I referenced that is where I got the information. But they are competitors and I wanted to see for myself or get information from someone who tore one apart.
I've got pics of every aspect of my car, and have taken most of it apart and put it back together just for fun. I'll see if I can find some pics that show the mounting locations for you but, trust me, the specs on the ERA are as they are stated. Someone like Mark IV can tell you way more on the technical specs of the SPF than I.
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  #29 (permalink)  
Old 12-30-2014, 01:04 PM
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Superformance Accident Investigation Website - SP799

Stumbled across this. Not sure the roll bar or shock mount is made the same way I suspect not.
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  #30 (permalink)  
Old 12-30-2014, 01:05 PM
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Here's how my roll bars are mounted (passenger side mirrors the driver side). They go straight to the frame.


Last edited by patrickt; 11-08-2016 at 01:22 PM..
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  #31 (permalink)  
Old 12-30-2014, 01:06 PM
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Quote:
Originally Posted by Detroit Bill View Post
I can say except for those two questions I would be comfortable with a Superformance Chassis.

Bill
Superformance also has names like Bob Bondurant and Bob Olthoff associated with the development of the MKIII...

Superformance | News

-

Last edited by LightNFast; 12-30-2014 at 01:09 PM..
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  #32 (permalink)  
Old 12-30-2014, 01:08 PM
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Quote:
Originally Posted by Detroit Bill View Post
First the dealer had two rollers for us to look at. The cars looked good, fabrication looked good, glass work was straight. Very sexy car, is it authentic? I am not sure I care that the body lines are "correct", they are in good proportion and look good. I am still seriously considering 17" rims so the authentic part is questionable anyway. I sat in the cockpit and the pedal setup would take some getting used to. Everything is jammed up to the left.
I guess that is the price for cramming a large engine in a small car. I have to say overall it looked like a quality build. I would put two roll bars in. I know this is frowned upon by everyone buy Patrick and I like the look better with one but I think it is prudent to have two (if they mount to the frame).

Two things the ERA web site questioned was where the outboard portion of the roll bar mounted. From an assembled car I could not tell. Second the body side of the door latch is not mounted to the frame but mounted in the fiberglass. I could not confirm either of these. Has anyone had one torn down enough to tell me where the outboard leg of the roll bar mounts? Can anyone confirm what the body side of the door latch is mounted into.

I can say except for those two questions I would be comfortable with a Superformance Chassis.






Bill
The door latch receiver is mounted to a steel plate that is embedded in the fiberglass. Likewise the pins for the top and tonneau are machine threads into an embedded steel piece.

The outboard roll bar mounts to the frame, you do not see the mount as it is behind the bulkhead unlike the inboard downward leg of the bar which is in the cockpit.

Any "Cobra" with an FE will have the pedals offset to the outside. You get used to it quite quickly. When you have a Windsor engine you can have a larger footbox with more room.
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  #33 (permalink)  
Old 12-30-2014, 01:18 PM
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Quote:
Originally Posted by Mark IV View Post
The door latch receiver is mounted to a steel plate that is embedded in the fiberglass. Likewise the pins for the top and tonneau are machine threads into an embedded steel piece.

The outboard roll bar mounts to the frame, you do not see the mount as it is behind the bulkhead unlike the inboard downward leg of the bar which is in the cockpit.

Any "Cobra" with an FE will have the pedals offset to the outside. You get used to it quite quickly. When you have a Windsor engine you can have a larger footbox with more room.
You don't happen to have any photos or drawings of how it mounts?
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  #34 (permalink)  
Old 12-30-2014, 01:22 PM
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And here's a shot of my latch. It has aluminum between it and the frame, but if you go here: FIA Chassis illustration and here: http://www.erareplicas.com/427/chassis.htm you can see how mounts below the aluminum.


Last edited by patrickt; 11-08-2016 at 01:23 PM..
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  #35 (permalink)  
Old 12-30-2014, 01:26 PM
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Quote:
Originally Posted by Detroit Bill View Post
I sat in the cockpit and the pedal setup would take some getting used to. Everything is jammed up to the left.
I guess that is the price for cramming a large engine in a small car.
The pedals are offset to the left slightly in all SPF and CSX Cobras that I've ever seen due to the transmission tunnel, as were the originals. I suppose it might be possible that Backdraft or others have compensated for that. I never noticed it (at least to the degree of making me uncomfortable) when driving it.

The bigger thing is the cramped quarters. Big feet with big shoes don't fit well. I drove mine with sneakers almost all of the time. I never got into the specialized driving shoes.

The other thing is that the horizontal pedal offset of the brake to accelerator make heel-toe throttle blip/braking difficult if not impossible for most people. That's just the way they are!
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  #36 (permalink)  
Old 12-30-2014, 01:54 PM
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Originally Posted by twobjshelbys View Post
The pedals are offset to the left slightly in all SPF and CSX Cobras that I've ever seen due to the transmission tunnel, as were the originals. I suppose it might be possible that Backdraft or others have compensated for that.
Behold... the brake pedal's right edge is straight down from the middle of the seat, and I can heel-and-toe with no difficulty. I can blip the throttle with my right heel, while on a hill at a stoplight, without the slightest trouble. Now, they did do some adjusting on everything so it would be like this. And yes, that's a dead pedal on the left.




Last edited by patrickt; 11-08-2016 at 01:23 PM..
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  #37 (permalink)  
Old 12-30-2014, 03:13 PM
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The ERA has floor pedals. The CSX has top pedals. It was going to be a bear to change the planarity of the throttle with that configuration.

Different construction.
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  #38 (permalink)  
Old 12-30-2014, 03:55 PM
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Quote:
Originally Posted by patrickt View Post
Behold... the brake pedal's right edge is straight down from the middle of the seat, and I can heel-and-toe with no difficulty. I can blip the throttle with my right heel, while on a hill at a stoplight, without the slightest trouble. Now, they did do some adjusting on everything so it would be like this. And yes, that's a dead pedal on the left.



Patrick - did you mention the reason the seats line up with the pedals is because the seats are also canted slightly to the outside.
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  #39 (permalink)  
Old 12-30-2014, 04:02 PM
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Originally Posted by twobjshelbys View Post
The ERA has floor pedals. The CSX has top pedals. It was going to be a bear to change the planarity of the throttle with that configuration.

Different construction.
Is that a typo? Or did you have a CSX4xxx series car that did not have floor mounted pedals?
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Old 12-30-2014, 04:04 PM
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Patrick - did you mention the reason the seats line up with the pedals is because the seats are also canted slightly to the outside.
Mine are not set in the stock holes -- they are back from the original holes and certainly appear to be plum square.
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