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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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Quote:
I should be ok seeing as my engine is a smaller 3.0 As for the TB ...I don't have one! I don't have the center sections. That will be my next question! I have a 60mm Ford TB, but I'm sure it will need bigger than that. I'm removing and tearing down a 996 engine tomorrow, I'll see what size it has. Again I won't really know what I'm looking at till my 964 intake arrives. What size TB does the plastic intake have?
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. |
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03-03-2021, 05:44 AM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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SDS is just called and is shipping my ECU back.
 Brand new spec once I download the latest software and full data logging. Ross and Barry at SDS turned it around in less than 2 days. 
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. |
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03-03-2021, 10:42 AM
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Registered
Join Date: Feb 2004
Location: denver
Posts: 1,143
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FYI,
for comparison the stock throttle body on 3.2 Carrera was 63mm the 964 3.6 is 68mm. john |
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03-03-2021, 10:50 AM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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Quote:
It would be cool to be able to experiment with a couple different sizes of TB. I still think the 60mm Ford (4.2 F150) I have will be a bit small but they may have a few Ford sizes I can try that's the same mount pattern as this TB. So far no luck finding an interchange guide to see if the bolt patterns are the same as others. I may have to take a trip to the local scrap yards.
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. |
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03-03-2021, 01:18 PM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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Just measured a 996 3.6 TB and it looks like 73mm.
The Honda's have some different TB sizes in my range, might be a better option than a Ford TB. I would like to find different sizes 65-75mm, but the same bolt pattern, so I can test them. Also some TB's you can buy aluminum spacers, which will be perfect as a TB base plate for welding to a new center section.
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. |
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03-04-2021, 07:51 AM
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Racer
Join Date: Oct 2010
Location: Franklin, TN
Posts: 5,885
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You could just use restrictors.....
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Scott Winders PCA GT3 #3 2021 & 2022 PCA GT3 National Champion 2021 & 2022 PCA West Coast Series GT3 Champion |
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03-04-2021, 10:16 AM
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Registered
Join Date: Feb 2004
Location: denver
Posts: 1,143
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Since you are looking at making your own cross over tube to mount the throttle body maybe you could make it so it directs the intake flow like the IPD plenums.
https://www.ipdplenums.com/ john |
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03-04-2021, 11:15 AM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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Quote:
I have a IPD plenum here that I'm going to be looking at. 
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. |
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03-05-2021, 03:10 AM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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My 964 intake halves arrived last night.
I have to figure out the the stubs and center section details, might take a while as I'm super busy restoring several 914 2.0 Djet engines plus other projects this spring/summer. We'll see how much energy I have left over on the weekends. A 914world buddy is sending me the stubs and fuel rails, not sure if I will use them but anything to help the design or build is a good thing.  The EFI install itself only takes a weekend, it's the crank trigger and intake fabrication that sucks up the time. I could buy off the shelf... but where's the fun in that? 
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. Last edited by Mark Henry; 03-16-2021 at 06:38 AM.. Reason: Added pic |
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03-16-2021, 06:32 AM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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BTW I can weigh these if anyone wants, one of the arguments is that plastic is lighter. This likely is true but these manifold halves are pretty light, I'm not worried about the weight for my build.
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. |
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03-16-2021, 06:48 AM
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Registered
Join Date: Jun 2016
Location: Ontario, Canada
Posts: 112
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Intakes look good. Definitely watching and stealing all your good ideas. Ha ha.
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03-19-2021, 04:54 PM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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Quote:
 Post or PM me your build details, happy to help.
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. |
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03-20-2021, 06:30 AM
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Registered
Join Date: Jun 2016
Location: Ontario, Canada
Posts: 112
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Yes it is. Taking a 3 liter Weber carb and going with EFI. Likely with coil on plug. Also planning on fabbing a junkyard supercharger set up. Still humming and hawing over intakes and ECU’s. Did look at SDS. They are a consideration.
Steve Mc. |
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03-20-2021, 03:13 PM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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Quote:
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. |
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03-21-2021, 10:46 AM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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Things will progress very slow, as I've taken on several 914 2.0 engine builds, so likely this will be this coming fall/winters project.
But....My cheap $66 (Canadian with shipping) Ali-express 70MM TB arrived from China today and it looks good enough. This is a universal TB so it doesn't have extra holes and crap. I'll have to figure out how to do the throttle cable as it looks like the wheel take standard bicycle cable ends.  
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. Last edited by Mark Henry; 04-25-2021 at 10:03 AM.. |
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04-24-2021, 07:39 AM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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TPS mount doesn't line up with this bosch 3 wire TPS I have, but it fits the D shaft end. It will be easy to make a new mount plate and it will just be a bolt on mod to change the existing mount.
I'll also try a Honda TPS to see if it fits better. 
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. |
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04-24-2021, 07:40 AM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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The huge bonus is it came with this 9/16" (1.5cm) thick mounting flange (with bolts) that I can weld to the custom center section I will making.
It has an idle stop, but no idle air bypass screw, so I'll have to crack the plate open a bit for idle or another option is to drill a hole in the throttle plate.  
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. |
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04-24-2021, 07:42 AM
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Registered
Join Date: May 2004
Location: Boulder, Colorado
Posts: 7,275
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I wish I had 240 in my garage - then I might learn how to TIG (my attempts with a friend's set were what one might expect, though functional for their purpose). Does the manufacturer make smaller ones? Maybe ITB material?
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04-24-2021, 02:16 PM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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Quote:
This one is a universal TB that's not made for a particular car, I liked it because it didn't have stuff I didn't need. Basically you'll have to spend the time going through AliBaba searching for "40mm throttle body" then "41mm throttle body" then "42mm throttle body" and so on and so on. Good luck!
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. |
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04-25-2021, 10:02 AM
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