 1.8 vs 2.0 OE Exhaust differences? |
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| pete000 |
 Feb 17 2011, 05:35 PM
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#1
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Senior Member  Group: Members Posts: 1,885 Joined: 23-August 10 From: Bradenton Florida Member No.: 12,094 Region Association: South East States  |
I am curious of what is the difference between the 1.8 and the 2.0 exhaust systems in the 914. I know that the 1.8 has the curved up section at the back and the 2.0 is straight.
Is there any other significant differences? Size of tubing, bigger ports, better flow for a larger displacement, etc...? Do the 2.0 heat exchangers and muffler set up bot on to a 1.8 based engine? |
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| Dave_Darling |
Feb 17 2011, 07:53 PM
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914 Idiot Group: Members Posts: 15,048 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California 
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The 1.8 spans two different types of exhaust. The 2.0 does as well.
The 75-76 exhaust is the same for the 2.0 and the 1.8, and it is pretty lousy. The 74 1.8 used the same (more or less) exhaust as the 1.7 did, with the kick-up near the end. The 73-74 2.0 did not have the kick-up. The pipes are also slightly larger diameter than the 1.7 exhaust, and they are a different distance apart. (Important if you are trying to mix and match parts!) SSI made versions of both the 1.7 and the early 2.0 heat exchangers, but the 1.7 version seems to be less common these days. The diameter of those pipes was the same on both versions, and evidently slightly larger than that of the stock 2.0 pipes. --DD |
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Posts in this topic
pete000 1.8 vs 2.0 OE Exhaust differences? Feb 17 2011, 05:35 PM
Drums66 .......Better exhaust flow with 2.0 :idea:
:wave... Feb 17 2011, 06:11 PM Tom Short answer is that stainless steel ex's will... Feb 17 2011, 06:25 PM TargaToy Sorry to hijak but how does one ID the stainless H... Feb 17 2011, 09:09 PM
Root_Werks
Sorry to hijak but how does one ID the stainless ... Feb 18 2011, 10:41 AM sean_v8_914 1974 only 1.8 has bigger tubes than the early 1.7 Feb 18 2011, 08:41 AM TargaToy Thank you, thank you, thank you. This is very nic... Feb 18 2011, 10:36 PM |
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