Heater Box’s and Tin Delete

For those who couldn't care less how their 356 left the factory!
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Cliff Murray
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Re: Heater Box’s and Tin Delete

#16 Post by Cliff Murray »

Crazy phone cameras can cause some strange shots. I had to look 2 or 3 times to understand.
1957 Speedster
1959 Sunroof
1960 Devin D Porsche racer
1963 GS2133 Coupe
1967 911S
2003 575M
Various vintage motorcycles

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Martin Benade
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Re: Heater Box’s and Tin Delete

#17 Post by Martin Benade »

I studied the picture, it is strange how the cylinders don’t show at all as if the heads are attached directly to the case. Obviously you have cylinders.
Cleveland Ohio
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56 VW
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Craig Colaluca
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Re: Heater Box’s and Tin Delete

#18 Post by Craig Colaluca »

The car is not on the lift anymore so it wasn’t as easy to get a good picture but here are the deflectors.
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1B0A67B1-19EB-4656-AE7F-6F9A7BAA7E5F.jpeg
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76 911S Coupe
91 964 C2 Targa
92 964 C2 Coupe
76 BMW 2002 (my handsome son’s car)
66 Mercedes 230SL Pagoda (my beautiful wife’s car)
Greenville, SC

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Cliff Murray
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Re: Heater Box’s and Tin Delete

#19 Post by Cliff Murray »

Seeing is believing!

The oil leaks are from the head "bolt" o-rings. Often that is caused by forgetting to use a washer under the short version "bolt". That will crush the o-ring so forcefully that the o-ring "explodes" and no longer seals. Conversely, if two washers are used, the o-ring is not compressed and does not seal. Also, any incorrect "bolt" and washer combination causes problems with the mounting and alignment of the rocker assembly.

Those problems can be fixed with the engine in the car.
1957 Speedster
1959 Sunroof
1960 Devin D Porsche racer
1963 GS2133 Coupe
1967 911S
2003 575M
Various vintage motorcycles

Craig Colaluca
356 Fan
Posts: 308
Joined: Thu Jun 20, 2019 11:50 am
Location: SC

Re: Heater Box’s and Tin Delete

#20 Post by Craig Colaluca »

Thanks for the info and the good news that I don’t have to pull this engine again Cliff.
By the way Cliff. This video is just for you. A couple of your favorite cars...if I remember correctly. The SS belongs to a friend.
https://vimeo.com/551442258
76 911S Coupe
91 964 C2 Targa
92 964 C2 Coupe
76 BMW 2002 (my handsome son’s car)
66 Mercedes 230SL Pagoda (my beautiful wife’s car)
Greenville, SC

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Cliff Murray
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Posts: 930
Joined: Mon Apr 07, 2014 11:18 am
Location: 30 miles west of Phila. PA

Re: Heater Box’s and Tin Delete

#21 Post by Cliff Murray »

1600 and disc brakes, just the way I like them! It sounds like the engine is modified, light flywheel and higher compression. Beautiful color!
1957 Speedster
1959 Sunroof
1960 Devin D Porsche racer
1963 GS2133 Coupe
1967 911S
2003 575M
Various vintage motorcycles

Craig Colaluca
356 Fan
Posts: 308
Joined: Thu Jun 20, 2019 11:50 am
Location: SC

Re: Heater Box’s and Tin Delete

#22 Post by Craig Colaluca »

That’s impressive and accurate. Engine was just rebuilt by GTM and sons in Greenville. Still under the break in mileage unfortunately. Looking forward to seeing it stretch it’s legs. That is a beautiful color.
76 911S Coupe
91 964 C2 Targa
92 964 C2 Coupe
76 BMW 2002 (my handsome son’s car)
66 Mercedes 230SL Pagoda (my beautiful wife’s car)
Greenville, SC

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Greg Bryan
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Re: Heater Box’s and Tin Delete

#23 Post by Greg Bryan »

It would seem that adding the Euro tin as the P factory did would aid in more uniform cooling. Hard to find, no doubt but was designed to direct the air around the heads and cylinders to a lesser degree when Porsche added the euro heater boxes and dropped the flappers which served a similar purpose.
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Greg Bryan

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Greg Bryan
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Re: Heater Box’s and Tin Delete

#24 Post by Greg Bryan »

Numbers 3 and 4 in diagram - similar parts on the other side.
One piece is used on both sides - there is a slight change in the screw location on the other so there are two for this case. Looks like the same stamping but has the screw part welded in by hand.
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Greg Bryan

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Greg Bryan
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Re: Heater Box’s and Tin Delete

#25 Post by Greg Bryan »

Here's a close up of what I am trying to explain above - slight variation of the screw hole to the same stamping.
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Euro tin cu.jpg
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Greg Bryan

Craig Colaluca
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Re: Heater Box’s and Tin Delete

#26 Post by Craig Colaluca »

Thank you Greg. I may have a connection who has some of those.
76 911S Coupe
91 964 C2 Targa
92 964 C2 Coupe
76 BMW 2002 (my handsome son’s car)
66 Mercedes 230SL Pagoda (my beautiful wife’s car)
Greenville, SC

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