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Performance Autosport Dec. Dyno Deals.

Old Dec 12, 2004 | 03:53 PM
  #11  
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Default Re: Performance Autosport Dec. Dyno Deals.

hmmmm
Old Dec 12, 2004 | 06:06 PM
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Default Re: Performance Autosport Dec. Dyno Deals.

hmmm indeed.
Old Dec 12, 2004 | 07:00 PM
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Default Re: Performance Autosport Dec. Dyno Deals.

Originally Posted by Not Stock
Thinking about going to a mid-length header instead of my current Sean Hyland customized long tubes. They will need to fit the 99 Cobra engine with modified baffled oil pan (collectors may need to go wider than stock) in a 97 chassis (99 engine sits lower, slightly diff k-member) around the Lakewood scattershield bellhousing (collectors may need to go wider than stock). Do you have any recommendations? Engine dyno'd outside of the car at 465 hp, so prob looking for 1-7/8" from the engine to 3" collectors.
If you go the midlength route go with JBA..proven hp for the 4.6 DOHC. Wider than stock? Ummm the stock headers dont come in contact with the oil pan If you want mid length its best not to go so big on the primaries, but keep it at 1 5/8-1 3/4 range. Our Mod motors need a little back pressure to keep some torque. Hell most longtubes arent even 1 7/8's

As for the front end, I hate to break it to you but there is no difference in a 97 cobra front end and a 99 cobra. K members are the same. The motor mounts are the same as well. If it is, you have a custom tubular one you made or you were lied to. Thats why you can get them for a 94-04

Last edited by Woodrow; Dec 12, 2004 at 07:08 PM.
Old Dec 12, 2004 | 07:28 PM
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Default Re: Performance Autosport Dec. Dyno Deals.

Ordered some stuff to help with the exhaust leaks. Will probably need to fire up the plasma cutter to cut some "doughnut" spacers to place under the front springs. Forgot who originally made some, but need to raise up the front end just a bit. Still looking around for a good set of mid-length headers (or non- equal length long tubes) that can be modified from stock rather than paying out the wazoo for custom ones. The equal length long tubes on there now are just too terrible to work with, as Tim O. can speak volumes about.
Old Dec 12, 2004 | 07:35 PM
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Default Re: Performance Autosport Dec. Dyno Deals.

Good to know about the k-member being the same. It appears my motor mounts are slightly different to get the 99 engine under the lower 97 hood. Can't tell very well from just poking around.

The aftermarket oil pan has been modified quite a bit. Deeper, wider than stock. Bottom end has been redone to fit the headers. Lemmie see if I can find a pic.


Last edited by Computer_Nerd; Dec 12, 2004 at 07:43 PM. Reason: pic added
Old Dec 12, 2004 | 07:40 PM
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Default Re: Performance Autosport Dec. Dyno Deals.

I know the 99 cobra hood still has a bulge on top like the 96-98's for the motor clearance.

As for headers Try JBA. Bob used them on his 99 cobra when he had it. very good gains from them. Alot of people have been getting good gains.
Old Dec 12, 2004 | 07:52 PM
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Default Re: Performance Autosport Dec. Dyno Deals.

Thanks, will check out the JBA headers. Right now, the headers of my headers are too large in diameter, they are sucking oil through. Forgot the technical name for it. Exhaust note is great, working around those things is not.
Old Dec 16, 2004 | 08:11 AM
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Default Re: Performance Autosport Dec. Dyno Deals.

Any possibility of an extension into january sometime? I got a wideband, I just got a friends car we're turboing and putting megasquirt'n'spark on and we'll need some tuning time. Maybe some special on an hour or something?

Thanks
-Andy
Old Dec 16, 2004 | 09:11 AM
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Default Re: Performance Autosport Dec. Dyno Deals.

For now it's just Dec. Jan 1 it will be back to $75/3 pulls w/ air/fuel.

I just dyno'd Carter's 240....damn, good stuff.
Old Dec 16, 2004 | 09:19 PM
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Default Re: Performance Autosport Dec. Dyno Deals.

Nice, clean shop. It was fun finally getting numbers.


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