 2.7l exhaust size |
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| Cfletch |
 Jun 9 2015, 08:49 PM
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#1
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Member  Group: Members Posts: 104 Joined: 30-January 14 From: Santa Barbara Member No.: 16,941 Region Association: Southern California  |
What is the measurement for the 2.7l exhaust outlets? Going to buy a set of headers and see that there are different diameters? It looks like 1-1/2 inch, but I would just like to be sure before I spend the money
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| SLITS |
Jun 9 2015, 09:54 PM
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#2
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None  |
What year / engine type? I'll look it up tomorrow if you answer.
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| Cfletch |
Jun 9 2015, 09:56 PM
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#3
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Member Group: Members Posts: 104 Joined: 30-January 14 From: Santa Barbara Member No.: 16,941 Region Association: Southern California |
QUOTE(SLITS @ Jun 9 2015, 08:54 PM)  What year / engine type? I'll look it up tomorrow if you answer. 1974 2.7l with CIS if that matters. |
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| Steve |
Jun 9 2015, 11:40 PM
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#4
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914 Guru Group: Members Posts: 5,585 Joined: 14-June 03 From: Orange County, CA Member No.: 822 Region Association: Southern California 
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I ran MSDS 1 5/8" when I had a 74 2.7 in my car. However I was running webers instead of the CIS injection. Car ran awesome for over 10 years until it started pulling head studs so I sold it and bought a used 3.2. Check with MSDS for recomendations.
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| Cfletch |
Jun 9 2015, 11:55 PM
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#5
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Member Group: Members Posts: 104 Joined: 30-January 14 From: Santa Barbara Member No.: 16,941 Region Association: Southern California |
QUOTE(Steve @ Jun 9 2015, 10:40 PM) I ran MSDS 1 5/8" when I had a 74 2.7 in my car. However I was running webers instead of the CIS injection. Car ran awesome for over 10 years until it started pulling head studs so I sold it and bought a used 3.2. Check with MSDS for recomendations. So it's sounding like there can be different sizes? Or the diameter of the header doesn't matter? As you can see I'm pretty lost and want to be sure what to get. |
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| Maltese Falcon |
Jun 10 2015, 01:58 AM
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#6
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Advanced Member Group: Members Posts: 4,641 Joined: 14-September 04 From: Mulholland SoCal Member No.: 2,755 Region Association: None  |
The 2.7 will work best street/some track work with 1 5/8" od headers.
The headers will have a 1 1/2" id. Get the MSDS metallic ceramic coating and you'll be good to go. 914 World discounts too. PM me, or msdsinc.com Marty  |
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| Cfletch |
Jun 10 2015, 08:12 AM
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#7
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Member Group: Members Posts: 104 Joined: 30-January 14 From: Santa Barbara Member No.: 16,941 Region Association: Southern California |
QUOTE(Maltese Falcon @ Jun 10 2015, 12:58 AM) The 2.7 will work best street/some track work with 1 5/8" od headers. The headers will have a 1 1/2" id. Get the MSDS metallic ceramic coating and you'll be good to go. 914 World discounts too. PM me, or msdsinc.com Marty I would like to go ahead and get those headers you mentioned. I'm trying to get all the parts for my 1970 914 so I can finally put in this 2.7l. |
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| JmuRiz |
Jun 10 2015, 08:15 AM
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#8
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914 Guru Group: Members Posts: 5,426 Joined: 30-December 02 From: NoVA Member No.: 50 Region Association: MidAtlantic Region
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I bought Marty's headers for my 2.7 project....3+ years on I still haven't put the engine in :~
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| SLITS |
Jun 10 2015, 08:34 AM
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#9
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None |
Depending upon which engine you have:
(911) 911/92 or 97 .... 32mm intake / 33mm exhaust (911S) 911/93 or 98 .... 35mm intake / 35mm exhaust |
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| JStroud |
Jun 10 2015, 06:38 PM
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#10
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Senior Member Group: Members Posts: 1,463 Joined: 15-January 11 From: Galt, California Member No.: 12,594 Region Association: Northern California |
QUOTE(Maltese Falcon @ Jun 10 2015, 12:58 AM) The 2.7 will work best street/some track work with 1 5/8" od headers. The headers will have a 1 1/2" id. Get the MSDS metallic ceramic coating and you'll be good to go. 914 World discounts too. PM me, or msdsinc.com Marty That's what I ran on my 2.7 with CIS, worked great, now they're on my 3.2 with motronic....still love em, definately get the ceramic coating, worth the extra money, durable and looks awesome....and Marty is a pleasure to work with, and great pricing. (IMG:style_emoticons/default/beerchug.gif) Jeff |
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