[DeTomaso] DeTomaso Digest, Vol 86, Issue 24-tuning

Sat Sep 24 11:29:08 EDT 2011

won't the sudden lack of or addition of muffler induced back pressure
greatly affect your tuning and performance?  Given that, if true, which one
are you tuning for OR are you retuning at each kind of venue?  I would be
concerned about running lean and causing valve damage of I did not retune.

Michael Shortt
On Sep 24, 2011 11:00 AM, <RCBSONS1 at aol.com> wrote:
> Going to the muffler shop today so we can figure
> out the length of the Track mufflers we can put
> on my car.. it only has 10" mufflers now and he
> stated the megaphones do not help with the noise
>
> So we are going to a 16,18 or 20"-- 3" muffler and he
> will make me three sizes of turn downs so I can
> figure out what I can run to get down to 103 on
> the race tracks
>
> This will be my California Track mufflers and until
> we figure it out what works I am going to wait
> on tweaking the tuning
>
> I will of course run my louder exhaust on the
> Street.. makes a lot of sense to me
>
> I will be joining the Pantera boys at Thunderhill
> in Norcal in a few weeks also one of my favorite
> tracks... although they have recently been cracking
> down on the noise so I finally have to change the exhaust
>
> Really love the Nevada tracks with no Noise limits
> We always use to remove the mufflers when we
> raced ....now it it the other way.. I getting too old
> or really confused or both
>
> Bob Benson #3 Black Pantera
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