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Duane Black

S197 k member question- you seemed like good guys to ask!

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Duane Black

Hi there! I autocross and run HPDE, and recently began instructing in nasa. I dont run spec iron, but you guys seemed to be good ones to ask. 

 

Some seen to think my s197 v6 could use a lighter k member like the offering from bmr. I have also seen a maximum motorsports offering that weighs in similar to the stock part on an s197 but provides rigedity. I understand many parts suppliers for Mustangs are primarily geared towards drag racing and sometimes it feels like us track guys have to fend for out selves when it comes to reliable information. 

 

I am also concerned about shifting the engine too much. I dont want to cause issues with the tolerance on the cv joint on my DSS aluminum shaft, and I dont want to be in a modifying position where one modification decision leads to another modification system where another $240 control arm is now necessary to band aid the $550 modification you just made.

So, would any track guy pulling 1.2 g at 100 mph with a sense of self preservation lighten a structural piece like a k member by 20 lbs if all he cares to do is run hpde and rules allow it? Or should he invest his $550 in a solid life insurance plan instead?

 

link if interested:https://www.jegs.com/i/BMR-Suspension/142/KM018R/10002/-1

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Roman V.
7 hours ago, Duane Black said:

Hi there! I autocross and run HPDE, and recently began instructing in nasa. I dont run spec iron, but you guys seemed to be good ones to ask. 

 

Some seen to think my s197 v6 could use a lighter k member like the offering from bmr. I have also seen a maximum motorsports offering that weighs in similar to the stock part on an s197 but provides rigedity. I understand many parts suppliers for Mustangs are primarily geared towards drag racing and sometimes it feels like us track guys have to fend for out selves when it comes to reliable information. 

 

I am also concerned about shifting the engine too much. I dont want to cause issues with the tolerance on the cv joint on my DSS aluminum shaft, and I dont want to be in a modifying position where one modification decision leads to another modification system where another $240 control arm is now necessary to band aid the $550 modification you just made.

So, would any track guy pulling 1.2 g at 100 mph with a sense of self preservation lighten a structural piece like a k member by 20 lbs if all he cares to do is run hpde and rules allow it? Or should he invest his $550 in a solid life insurance plan instead?

 

link if interested:https://www.jegs.com/i/BMR-Suspension/142/KM018R/10002/-1

Your stock K-Member is plenty strong. The only reason to go with the aftermarket one, is to achieve a better suspension geometry and reduce weight. It also requires lots of other modifications to the front of the car. Maximum piece would be my choice as they are heavily involved in road racing and HPDE scene. They have great tech information on every part they sell. Hope this helps. 

https://www.maximummotorsports.com/MM-K-member-Mustang-2005-2014-P1476.aspx

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Duane Black

I am looking at weight reduction in several ways and trying to determine how to get there. Off the front axle seems a great way to start.. but doing so safely is important as well. I could trim about 10 lbs by getting boss 302 seats (airbag needed) or the stock mufflers are heavy so I could swap out for something lightr.. but who wants a loud v6 ricer muscrat?

Edited by Duane Black

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Roman V.
2 hours ago, Duane Black said:

I am looking at weight reduction in several ways and trying to determine how to get there. Off the front axle seems a great way to start.. but doing so safely is important as well. I could trim about 10 lbs by getting boss 302 seats (airbag needed) or the stock mufflers are heavy so I could swap out for something lightr.. but who wants a loud v6 ricer muscrat?

It seems that the Maximum K memebr for S-197 is actually a little havier than stock but offers better grip levels in the front. 

I would do a lighter hood, seats. Not much you can do if you want to keep comfortable on the street, i.e. removing AC.

 

Roman

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