[Healeys] Dynamat or similar products

[John Homonek]

Richard,

I dug up my results of heat reduction test after installing FatMat in the
BN7. 
This was done last summer using a digital infrared thermometer. I live in
Atlanta.

I think the biggest heat culprits are air leaks from the engine bay through
the firewall and heat convection through the firewall, toeboxes and fresh
air ducts.

Check out the firewall temp reduction.
See below:

Before:                                              After

 
Outside Air Temp - 96                               same
Engine Temp - 170                                   same
Exhaust Manifold - 300+                             same
Firewall Temp - 122                                 107
 
I ended up retrofitting it all the way up the firewall to the shroud.  I
covered the box shaped air duct that runs from side to side, as well.  I
completely covered both toe boxes and recessed areas for pedal assembly too.


(I had already done the floorboards, transmission tunnel and rear bulkhead
years ago)

John E. Homonek II
1959 BN7
1974 Jensen-Healey

-----Original Message-----
From: healeys-bounces at autox.team.net [mailto:healeys-bounces at autox.team.net]
On Behalf Of richard mayor
Sent: Friday, January 06, 2012 8:47 PM
To: healeys
Subject: [Healeys] Dynamat or similar products

What is the best product out there for a heat and sound barrier? I know this
has been much discussed in the past. But, I was not interested back then -
and
I have not been able to find the thread in the archives.

Richard Mayor
BN7L-466  Vintage Racer
Portland, Oregon
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