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> 993-914-6 heat exchangers
mb911
post Nov 27 2024, 08:19 AM
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I have been dragging my feet doing these but got a good start this morning. This is a hard process to quote that’s for sure as it is straight up custom. I run this set up on my hot 2.4 with 1.5” sleeves and they work really well. A good solution all the way up to 3.6Attached Image
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Steve
post Nov 27 2024, 08:48 AM
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Awesome that you are doing this, but is it less work than your previous heat exchangers? Seems to be a lot of used ones on Ebay for around $600.00 or best offer. I still have a set left over from my 3.6 project.
@mb911 would you trade my 993 heat exchangers to modify my front bumper for a GT?
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mb911
post Nov 27 2024, 09:02 AM
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QUOTE(Steve @ Nov 27 2024, 06:48 AM) *

Awesome that you are doing this, but is it less work than your previous heat exchangers? Seems to be a lot of used ones on Ebay for around $600.00 or best offer. I still have a set left over from my 3.6 project.
@mb911 would you trade my 993 heat exchangers to modify my front bumper for a GT?



Yeah would do the trade that’s reasonable. These are less work and I am in complete control of the product as I them entirely myself so no BS.
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tygaboy
post Nov 27 2024, 09:25 AM
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I'll be helping @napasteve Steve with his 3.6 swap. He has the '95 engine from @mepstein Mark and it has stock heat exchangers on it.
You all know I'm completely ignorant about "regular" engine swaps so help a brother out:

Does Steve need a set of these?

Thanks in advance.
Chris
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mb911
post Nov 27 2024, 09:28 AM
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QUOTE(tygaboy @ Nov 27 2024, 07:25 AM) *

I'll be helping @napasteve Steve with his 3.6 swap. He has the '95 engine from @mepstein Mark and it has stock heat exchangers on it.
You all know I'm completely ignorant about "regular" engine swaps so help a brother out:

Does Steve need a set of these?

Thanks in advance.
Chris



Yes it he wants heat or go with the junky b&b or find an old set of what I made years ago. The 993 heat exchanger is really a nice heat exchanger in general
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mepstein
post Nov 27 2024, 09:34 AM
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“This is a hard process to quote that’s for sure as it is straight up custom.“

At our shop, the translation is: if we charge you time and materials, the price will sound obscene so we’ll just settle on a price that we can both live with.

I appreciate you doing the set for me. I actually have another set that’s already been modified for my 67, 912/6 build but I guess that’s a lot easier than turning them around for a 914.
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Cairo94507
post Nov 27 2024, 09:44 AM
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@MB911 - Ben, can you post an installed picture with them hooked up? Do these flow better than your original, large-tube SS heat exchangers? Will they bolt up to a stock banana muffler? Thanks and Happy Thanksgiving, Michael (IMG:style_emoticons/default/beerchug.gif)
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mb911
post Nov 27 2024, 10:02 AM
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QUOTE(Cairo94507 @ Nov 27 2024, 07:44 AM) *

@MB911 - Ben, can you post an installed picture with them hooked up? Do these flow better than your original, large-tube SS heat exchangers? Will they bolt up to a stock banana muffler? Thanks and Happy Thanksgiving, Michael (IMG:style_emoticons/default/beerchug.gif)

Here is the prototypes on my car. Do they glow more I would no probably not. They are unequal length but 1.625 OD just like my old sets. They connect to a stock muffler that’s the idea. Attached Image
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mb911
post Nov 27 2024, 10:03 AM
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QUOTE(mepstein @ Nov 27 2024, 07:34 AM) *

“This is a hard process to quote that’s for sure as it is straight up custom.“

At our shop, the translation is: if we charge you time and materials, the price will sound obscene so we’ll just settle on a price that we can both live with.

I appreciate you doing the set for me. I actually have another set that’s already been modified for my 67, 912/6 build but I guess that’s a lot easier than turning them around for a 914.



I will probably do a second set like you and I discussed. As soon as I find my groove on these the build time will get faster and pay off.
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worn
post Nov 27 2024, 04:47 PM
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QUOTE(mb911 @ Nov 27 2024, 09:03 AM) *

QUOTE(mepstein @ Nov 27 2024, 07:34 AM) *

“This is a hard process to quote that’s for sure as it is straight up custom.“

At our shop, the translation is: if we charge you time and materials, the price will sound obscene so we’ll just settle on a price that we can both live with.

I appreciate you doing the set for me. I actually have another set that’s already been modified for my 67, 912/6 build but I guess that’s a lot easier than turning them around for a 914.



I will probably do a second set like you and I discussed. As soon as I find my groove on these the build time will get faster and pay off.

Is there any possibility that you could sell me the unassembled parts and let me try my hand at welding them up? Never mind if that is PITA question.
Warren
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NARP74
post Nov 27 2024, 05:33 PM
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I'm in for a set as soon as I get the donors to send you.
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Root_Werks
post Nov 27 2024, 05:39 PM
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My six conversion originally came with 993 HE's. Nothing as polished as what Ben's done, but do remember they worked well.

These look really clean.
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mb911
post Nov 27 2024, 05:49 PM
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QUOTE(worn @ Nov 27 2024, 02:47 PM) *

QUOTE(mb911 @ Nov 27 2024, 09:03 AM) *

QUOTE(mepstein @ Nov 27 2024, 07:34 AM) *

“This is a hard process to quote that’s for sure as it is straight up custom.“

At our shop, the translation is: if we charge you time and materials, the price will sound obscene so we’ll just settle on a price that we can both live with.

I appreciate you doing the set for me. I actually have another set that’s already been modified for my 67, 912/6 build but I guess that’s a lot easier than turning them around for a 914.



I will probably do a second set like you and I discussed. As soon as I find my groove on these the build time will get faster and pay off.

Is there any possibility that you could sell me the unassembled parts and let me try my hand at welding them up? Never mind if that is PITA question.
Warren



Once I get the details hammered out for more of a production setup sure
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NARP74
post Nov 27 2024, 06:04 PM
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@MB911 do the open ports in your pic get a hose from the engine blower fan? Left open? How is the power and heat? Some people live in cold climates...
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mb911
post Nov 27 2024, 09:16 PM
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QUOTE(NARP74 @ Nov 27 2024, 04:04 PM) *

@MB911 do the open ports in your pic get a hose from the engine blower fan? Left open? How is the power and heat? Some people live in cold climates...



lol I live in Wisconsin you don’t think it gets cold here? Basically the factory ports are shrunk so a standard hose will fit . I then cut a new opening for the heat valves and it works perfectly. It was 40 degrees the last time I was out driving and toasty in the car no problem
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mb911
post Nov 28 2024, 08:58 AM
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Starting the adapters. Attached Image
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NARP74
post Nov 28 2024, 10:08 AM
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The cold remark was for the CA folks that chime in and say they don't need heat, grrrr.
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mb911
post Nov 28 2024, 10:37 AM
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QUOTE(NARP74 @ Nov 28 2024, 08:08 AM) *

The cold remark was for the CA folks that chime in and say don't need heat, grrrr.



Gotcha. Will be adding those ports next.
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Cairo94507
post Nov 28 2024, 10:48 AM
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BRRRRRR!!! - It is 43 degrees outside right now; I am at the foothills of the Sierra, in Auburn, CA.
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mb911
post Nov 28 2024, 10:58 AM
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QUOTE(Cairo94507 @ Nov 28 2024, 08:48 AM) *

BRRRRRR!!! - It is 43 degrees outside right now; I am at the foothills of the Sierra, in Auburn, CA.


30 here
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