 2.0 exhaust on a 1.7, Can I do this with a set of 2.0 headers? |
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| Localboy808 |
 Oct 18 2016, 05:58 PM
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#1
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Member  Group: Members Posts: 185 Joined: 17-July 16 From: Palmdale, Ca Member No.: 20,194 Region Association: None  |
I bought a Tri-Mil 4 tip exhaust off of Craigslist. But my noob self did not know there was a difference between a 2.0 exhaust and a 1.7/1.8! Well I do now! (IMG:style_emoticons/default/wink.gif) So my question is. Can I use this exhaust with a different set of j-tubes/headers? Or is it impossible? I've been trying to sell it. But if there is a way to use it I'd like to. Could this work?
Thanks, Scott |
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| jcd914 |
Oct 18 2016, 09:26 PM
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#2
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Advanced Member Group: Members Posts: 2,081 Joined: 7-February 08 From: Sacramento, CA Member No.: 8,684 Region Association: Northern California |
Depending on what the muffler is made to fit, 73/74 2.0L or 75/76 20L, you can replace your 1.7 Heat exchangers with 2.0 heat exchangers that match your muffler.
You also have to replace the muffler bracket on the back of the trans mission. There are only 3 different exhaust systems used on 4 cyl 914s. 70-74 1.7L/1.8L system 73-74 2.0L system 75-76 2.0L system You can use any system on any car but you need the complete system, including the muffler bracket. The heater connector parts (s-tubes, j-tubes) on 70-74 are all the same, 75-76 are different. Jim |
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| Localboy808 |
Oct 18 2016, 09:43 PM
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#3
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Member Group: Members Posts: 185 Joined: 17-July 16 From: Palmdale, Ca Member No.: 20,194 Region Association: None |
QUOTE(jcd914 @ Oct 18 2016, 10:26 PM)  Depending on what the muffler is made to fit, 73/74 2.0L or 75/76 20L, you can replace your 1.7 Heat exchangers with 2.0 heat exchangers that match your muffler. You also have to replace the muffler bracket on the back of the trans mission. There are only 3 different exhaust systems used on 4 cyl 914s. 70-74 1.7L/1.8L system 73-74 2.0L system 75-76 2.0L system You can use any system on any car but you need the complete system, including the muffler bracket. The heater connector parts (s-tubes, j-tubes) on 70-74 are all the same, 75-76 are different. Jim Thanks for the info Jim. This is the muffler I have.  How can I tell if it's an early or late 2.0? |
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| N_Jay |
Oct 18 2016, 09:51 PM
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#4
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Member Group: Members Posts: 283 Joined: 2-March 16 From: Chicago NW Burbs Member No.: 19,720 Region Association: None |
So, can anyone tell me why the copper exhaust seals are different?
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| cwpeden |
Oct 18 2016, 10:56 PM
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#5
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Great White North, huh? Group: Members Posts: 916 Joined: 20-August 06 From: Victoria BC Member No.: 6,693 Region Association: Canada |
I've been looking for one of those for years. Big pipes and tips with small mufflers.
Of that type of muffler it was way better than the Monza and way better sound. |
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| 914werke |
Oct 18 2016, 11:02 PM
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#6
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"I got blisters on me fingers" Group: Members Posts: 10,100 Joined: 22-March 03 From: USofA Member No.: 453 Region Association: Pacific Northwest 
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QUOTE(jcd914 @ Oct 18 2016, 08:26 PM) Depending on what the muffler is made to fit, 73/74 2.0L or 75/76 20L, you can replace your 1.7 Heat exchangers with 2.0 heat exchangers that match your muffler. You also have to replace the muffler bracket on the back of the trans mission. There are only 3 different exhaust systems used on 4 cyl 914s. 70-74 1.7L/1.8L system 73-74 2.0L system 75-76 2.0L & 1.8L system You can use any system on any car but you need the complete system, including the muffler bracket. The heater connector parts (s-tubes, j-tubes) on 70-74 are all the same, 75-76 are different. Jim Here use this (IMG:style_emoticons/default/bye1.gif) Attached image(s) 
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| Localboy808 |
Oct 19 2016, 07:21 AM
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#7
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Member Group: Members Posts: 185 Joined: 17-July 16 From: Palmdale, Ca Member No.: 20,194 Region Association: None |
QUOTE(rdauenhauer @ Oct 19 2016, 12:02 AM) QUOTE(jcd914 @ Oct 18 2016, 08:26 PM) Depending on what the muffler is made to fit, 73/74 2.0L or 75/76 20L, you can replace your 1.7 Heat exchangers with 2.0 heat exchangers that match your muffler. You also have to replace the muffler bracket on the back of the trans mission. There are only 3 different exhaust systems used on 4 cyl 914s. 70-74 1.7L/1.8L system 73-74 2.0L system 75-76 2.0L & 1.8L system You can use any system on any car but you need the complete system, including the muffler bracket. The heater connector parts (s-tubes, j-tubes) on 70-74 are all the same, 75-76 are different. Jim Here use this (IMG:style_emoticons/default/bye1.gif) Found that graphic after I realized this muffler wouldn't fit. But also realized looking at it that the correct exhaust pipes would have to also be shorter and maybe bent up higher? Just wasnt sure if the ends going into the heads would be the same or not. |
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