phenolic dual port spacers
- sidemarkers
- Posts: 124
- Joined: Sat Oct 03, 2015 2:58 pm
phenolic dual port spacers
Trying to keep my end castings and injectors cooler. Are these spacers available?
- sideshow
- Posts: 3428
- Joined: Mon Oct 27, 2003 11:00 am
Re: phenolic dual port spacers
You mean Intake Manifold Gasket, Fuel Injected Type 1 (1975+), Each, 043-129-707 ?
http://vwparts.aircooled.net/Intake-Man ... 29-707.htm
I'm not certain but the inlet ports on the FI heads maybe a tiny bit smaller than the carb'ed ones. Not enough to matter on stock sized runners.
http://vwparts.aircooled.net/Intake-Man ... 29-707.htm
I'm not certain but the inlet ports on the FI heads maybe a tiny bit smaller than the carb'ed ones. Not enough to matter on stock sized runners.
Yeah some may call it overkill, but you can't have too much overkill.
- sidemarkers
- Posts: 124
- Joined: Sat Oct 03, 2015 2:58 pm
Re: phenolic dual port spacers
Ports are too small and unable to open up. I'm looking for solid versions.
-
- Posts: 17770
- Joined: Mon Nov 13, 2006 10:17 pm
Re: phenolic dual port spacers
I think there are a couple of guys with water-jet or plasma cutters. Whether they could or would it might be worth looking into.
I don't think plasma would work with phenolic but with a water jet it might. I don't remember ever working with phenolics but I did with CAD and I wouldn't think it would hard to make a tooling dataset for it.
Based on the photo it shouldn't be too hard if a pattern was supplied.
I don't think plasma would work with phenolic but with a water jet it might. I don't remember ever working with phenolics but I did with CAD and I wouldn't think it would hard to make a tooling dataset for it.
Based on the photo it shouldn't be too hard if a pattern was supplied.
- panel
- Posts: 4201
- Joined: Sun Sep 24, 2000 12:01 am
Re: phenolic dual port spacers
I bet Mario can make ya some.
'65 Bus with a JDM Subaru EJ20 Turbo
Built by Germans powered by Japanese and brought together by Canadians
Built by Germans powered by Japanese and brought together by Canadians
- petew
- Posts: 3920
- Joined: Sat Oct 07, 2006 4:05 pm
- sidemarkers
- Posts: 124
- Joined: Sat Oct 03, 2015 2:58 pm
Re: phenolic dual port spacers
Thanks guys! I found a company that makes phenolic insulators for many VW applications.
https://www.thegansmann.com/products/du ... insulators
https://www.thegansmann.com/products/du ... insulators
- petew
- Posts: 3920
- Joined: Sat Oct 07, 2006 4:05 pm
Re: phenolic dual port spacers
Just to clarify... how will these help in an EFI setup? It's not like we need to keep fuel bowls cool or the like.
-
- Posts: 48
- Joined: Wed Aug 29, 2012 11:21 am
Re: phenolic dual port spacers
In theory they insulate the manifold from the head, which should result in a lower intake air temperature. Lower intake air temperature, more dense air, more power. That's why most modern intake manifolds are made from fiber reinforced plastic since plastic resists heat soak much more than Al or steel.
-
- Posts: 17770
- Joined: Mon Nov 13, 2006 10:17 pm
Re: phenolic dual port spacers
Spacers can also be used for "tuning" by changing runner lengths and potentially some other things too.
-
- Posts: 17770
- Joined: Mon Nov 13, 2006 10:17 pm
Re: phenolic dual port spacers
I looked but did not find anything for VWs. Good find if you can find what you need.sidemarkers wrote: ↑Sun Jun 25, 2017 8:06 pm Thanks guys! I found a company that makes phenolic insulators for many VW applications.
https://www.thegansmann.com/products/du ... insulators
- sidemarkers
- Posts: 124
- Joined: Sat Oct 03, 2015 2:58 pm
Re: phenolic dual port spacers
I can't speak for other states but in Arizona, primarily in the summer, after shutting down the engine the injectors and rails can get hot enough to boil gas. This is even more likely due to the addition of ethanol with a lower boiling point.
I have an intercooler with a fan, and am running water/methanol injection which help keep it cool while running. If I can keep the efi intake from heat soaking it'll be less intake heat to dissipate once I fire it back up while doing errands.
- sidemarkers
- Posts: 124
- Joined: Sat Oct 03, 2015 2:58 pm
Re: phenolic dual port spacers
Sorry, try this link. https://www.thegansmann.com/Ol'fogasaurus wrote: ↑Mon Jun 26, 2017 3:16 pmI looked but did not find anything for VWs. Good find if you can find what you need.sidemarkers wrote: ↑Sun Jun 25, 2017 8:06 pm Thanks guys! I found a company that makes phenolic insulators for many VW applications.
https://www.thegansmann.com/products/du ... insulators
-
- Posts: 4720
- Joined: Thu Feb 15, 2007 9:28 pm
Re: phenolic dual port spacers
I find it hard to believe they will make a lot of difference but go ahead and use them...if you can log it show us the differences.
The only time the intake will be hot is with the heat soak but the engine should cool fairly quickly unless you are in and out in a couple minutes.
You can't do much for the Arizona heat except move but I would wager that the instant you restart your engine the cooler air flowing through the aluminum manifolds is going to make a bigger difference.
Probably the biggest reason the OEM's went to plastic intakes is because it saves weight and it is cheaper to build. That is the only reason they change anything on a vehicle. If they can leave a washer out they will do it to save costs......think of the millions of washers they wouldn't have to pay for or install.....that's the kind of savings they work off of.
The only time the intake will be hot is with the heat soak but the engine should cool fairly quickly unless you are in and out in a couple minutes.
You can't do much for the Arizona heat except move but I would wager that the instant you restart your engine the cooler air flowing through the aluminum manifolds is going to make a bigger difference.
Probably the biggest reason the OEM's went to plastic intakes is because it saves weight and it is cheaper to build. That is the only reason they change anything on a vehicle. If they can leave a washer out they will do it to save costs......think of the millions of washers they wouldn't have to pay for or install.....that's the kind of savings they work off of.
Stripped66 wrote:The point wasn't to argue air temps with the current world record holder, but to dispel the claim that the K03 is wrapped up at 150 HP. It's not.
- sidemarkers
- Posts: 124
- Joined: Sat Oct 03, 2015 2:58 pm
Re: phenolic dual port spacers
One needs only to grab the handle of a cast iron skillet compared to the bakelite handle of a pressure cooker to experience the benefit of phenolic spacers.
Even VW used heat insulating plastic spacers in late 70s for the fuel injection bugs.
Summer heat in Arizona is something else. Although it might only be 110 degrees here, the blacktop can easily be 170 degrees, which is permeating upwards as the car sits idle on it. It's like trying to cool off by taking a refreshing dive into a 170 degree pool!
Even VW used heat insulating plastic spacers in late 70s for the fuel injection bugs.
Summer heat in Arizona is something else. Although it might only be 110 degrees here, the blacktop can easily be 170 degrees, which is permeating upwards as the car sits idle on it. It's like trying to cool off by taking a refreshing dive into a 170 degree pool!