Re: Mondial Exhaust and Tach Sensor Questions
From: Charles Perry (charlescarolina-sound.com)
Date: Tue, 31 Aug 2010 08:36:07 -0700 (PDT)

I have an 87 TR with no cats (ANSA bypass pipes) and an ANSA stainless exhaust. The throttle response was definitely improved. The exhaust is not really a lot louder than stock but it does have a much sweeter sound. I put the pipes and the exhaust on at the same time so I can't speculate on how much one would have done without the other, but I do think it's my best sounding car. It's certainly a LOT quieter than my Diablo which has bypass pipes on the pre-cats but has the stock cats and a Larini exhaust.

 

I put the bypass pipes on because of the hazards of cat fires with TRs which have an ignition bank go dead. SC does not test emissions so that hasn't been a problem.

 

I have had no issues that I know of with higher manifold temps. I've never checked it, but the car's been like this for 12 years and been fine.

 

-- charles

 

From: rick Baumgartner [mailto:rickwr250 [at] hotmail.com]
Sent: Monday, August 30, 2010 5:05 PM
To: Charles Perry
Cc: The FerrariList
Subject: [Ferrari] Mondial Exhaust and Tach Sensor Questions

 

 
Hi Boys,
Wondering if anyone out there has had any experience with catless pipes?
 
I have a 87 Mondial 3.2 and was thinking of installing the cat pipe eliminators. Does it really give you better throttle responce? How much louder is the exhaust? Is there any issue with the increased temperature at the manifold from having a lower back pressure?
 
Also need to replace the sensor that drives the tach. One of you had mentioned that its the same sensor that is used to sence TDC and not the timing one . These sensors are identical. One close to the front cyclinder bank and one closer to the rear (rear of car) cyclinder bank. Does anyone know which is the position of the TDC sensor?
 
Thanks a bunch guys.
 
Rick
 
    

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