 Engine Compatibility? |
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| VWTortuga336 |
 Dec 19 2014, 07:44 AM
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Member  Group: Members Posts: 285 Joined: 5-October 14 From: Kansas City, Missouri Member No.: 17,979 Region Association: None  |
I think I know the answer to this, but I want to confirm before I make a purchase - are engines interchangable between years? I know there are displacement differences, compression differences, etc. I'm wondering about fitting a later engine into an earlier car.
Specifically, will a GC code from a '75 fit in my '74? |
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| bandjoey |
Dec 19 2014, 09:32 AM
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bandjoey Group: Members Posts: 4,926 Joined: 26-September 07 From: Bedford Tx Member No.: 8,156 Region Association: Southwest Region |
The exhaust might not fit. I think it's 1.8 and 2.0 that r the same. 1.7 different. I know someone more knowledgable will confirm or correct.
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| mepstein |
Dec 19 2014, 10:08 AM
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#3
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914-6 GT in waiting Group: Members Posts: 19,272 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region 
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QUOTE(bandjoey @ Dec 19 2014, 10:32 AM)  The exhaust might not fit. I think it's 1.8 and 2.0 that r the same. 1.7 different. I know someone more knowledgable will confirm or correct. 1.7 / 1.8 are the same. 2.0 differes. Use the heat exchangers with correct muffler and either one will work. They must be used as a pair. |
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| stevegm |
Dec 19 2014, 10:42 AM
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#4
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Advanced Member Group: Members Posts: 2,111 Joined: 14-July 14 From: North Carolina Member No.: 17,633 Region Association: South East States
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QUOTE(mepstein @ Dec 19 2014, 11:08 AM) QUOTE(bandjoey @ Dec 19 2014, 10:32 AM) The exhaust might not fit. I think it's 1.8 and 2.0 that r the same. 1.7 different. I know someone more knowledgable will confirm or correct. 1.7 / 1.8 are the same. 2.0 differes. Use the heat exchangers with correct muffler and either one will work. They must be used as a pair. I concur. The 2.0 heat exchangers are straight, whereas the others curve up a little. Therefore, you have to use 2.0 heat exchangers with a 2.0 exhaust. I have a few sets of 2.0 heat exchangers if you need them. I don't think I have a 2.0 muffler. |
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Posts in this topic
VWTortuga336 Engine Compatibility? Dec 19 2014, 07:44 AM
76-914 Yes and yes. Dec 19 2014, 07:56 AM Mark Henry Not much difference, GC often have smog holes in t... Dec 19 2014, 09:04 AM VWTortuga336 Thanks for the info. I'll be using the exhaus... Dec 19 2014, 09:13 AM
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Are the exhaust studs difficult to replace? What... Dec 19 2014, 09:35 AM |
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