S&M Autosport stainless steel and aluminum injector cups

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S&M Autosport stainless steel and aluminum injector cups

Postby vwnut8392 » Sun Mar 01, 2015 8:00 pm

These are machined stainless steel injector cups for the AAN and 3B engines. These replace the crummy over priced plastic ones that we are always stuck buying and using. These are the prototypes which we will be testing here in the near future. We will also be creating billet aluminum versions that will just thread in and another version for welding into the intake. The black plastic one in the pictures is the only one i have ever managed to remove without completely destroying.

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Last edited by vwnut8392 on Fri Mar 13, 2015 12:53 pm, edited 1 time in total.
"The really good drivers got the bugs on the side windows." Walter Röhrl

1984 4000S quattro-AAN swapped
1983 UR coupe quattro
1995 URS6 avant
1992 GTI VR6
1992 GTI G60 X-flow turbo
1986 16V jetta coupe
1985 golf 4 door-AKA the monster golf
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Re: S&M Autosport stainless steel injector cups

Postby All_Euro » Mon Mar 02, 2015 10:08 pm

Nice work - these are pretty popular with the 1.8T crowd too. Our OEM cups have the same habit of cracking after a few too many heat cycles. Good to see an I5 option in the works :thumbsup:
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Re: S&M Autosport stainless steel injector cups

Postby Draky » Wed Mar 04, 2015 5:38 pm

I'm looking to replace my injectors this year or possibly next year... once you have the final product I know I will be interested.
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Re: S&M Autosport stainless steel injector cups

Postby my2000apb » Wed Mar 04, 2015 5:54 pm

sweeeet
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Re: S&M Autosport stainless steel injector cups

Postby Marc » Thu Mar 05, 2015 9:08 am

how much?
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Re: S&M Autosport stainless steel injector cups

Postby ringbearer » Thu Mar 05, 2015 11:16 am

On fb around $100 for the set was mentioned
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Re: S&M Autosport stainless steel injector cups

Postby Marc » Thu Mar 05, 2015 11:30 am

not bad at all. Kind of a pain in the butt part to make from a machining standpoint. I think its around $15 each for the plastic ones.
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Re: S&M Autosport stainless steel injector cups

Postby vwnut8392 » Thu Mar 05, 2015 7:05 pm

ringbearer wrote:On fb around $100 for the set was mentioned


Thats right, i did quote in the one group on there around a 100.00 bucks for a set of 5. i figure if we all are going to get robbed 75.00 for 5 plastic pieces of crap we might as well spend 25.00 bucks more and get a metal one you never have to worry about again. The goal is affordable parts that provide longevity. some of the factory parts on the AAN are garbage in my opinon like the crappy powdered metal crank and cam gears that love to break on me. marc has that covered with the beautiful and durable tommis billet crank and cam gears.
"The really good drivers got the bugs on the side windows." Walter Röhrl

1984 4000S quattro-AAN swapped
1983 UR coupe quattro
1995 URS6 avant
1992 GTI VR6
1992 GTI G60 X-flow turbo
1986 16V jetta coupe
1985 golf 4 door-AKA the monster golf
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Re: S&M Autosport stainless steel injector cups

Postby mushasho » Fri Mar 06, 2015 2:29 pm

also NLA metal thermostat housings...
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Re: S&M Autosport stainless steel injector cups

Postby vwnut8392 » Fri Mar 06, 2015 3:07 pm

mushasho wrote:also NLA metal thermostat housings...

machined thermostat housings is a pretty good idea! might have to look into that one.
"The really good drivers got the bugs on the side windows." Walter Röhrl

1984 4000S quattro-AAN swapped
1983 UR coupe quattro
1995 URS6 avant
1992 GTI VR6
1992 GTI G60 X-flow turbo
1986 16V jetta coupe
1985 golf 4 door-AKA the monster golf
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Re: S&M Autosport stainless steel injector cups

Postby ringbearer » Fri Mar 06, 2015 3:36 pm

The "T" coolant temp sender hose connection at the back of the block would sell too.
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Re: S&M Autosport stainless steel injector cups

Postby ChrisAudi80 » Fri Mar 06, 2015 8:54 pm

Are the AEB (1.8T) injector cups different from the AAN?

Also, why would people want to remove the plastic ones? Do they really crack and break all the time?
I do have some weird discoloration around the injectors on my AAN.
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Re: S&M Autosport stainless steel injector cups

Postby vwnut8392 » Sat Mar 07, 2015 4:36 pm

ChrisAudi80 wrote:Are the AEB (1.8T) injector cups different from the AAN?

Also, why would people want to remove the plastic ones? Do they really crack and break all the time?
I do have some weird discoloration around the injectors on my AAN.


yes the 1.8T ones are different. i remove them because i wanted to clean and powder coat my intake manifold.
"The really good drivers got the bugs on the side windows." Walter Röhrl

1984 4000S quattro-AAN swapped
1983 UR coupe quattro
1995 URS6 avant
1992 GTI VR6
1992 GTI G60 X-flow turbo
1986 16V jetta coupe
1985 golf 4 door-AKA the monster golf
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Re: S&M Autosport stainless steel injector cups

Postby EDIGREG » Mon Mar 09, 2015 12:17 pm

The OE plastic cooling system parts last at least 10 years. I don't see a market for metal ones unless you're able to offer them cheaper than new plastic ones (good luck)

The aluminum parts can be a pain in the ass as well, as they corrode and pit on the sealing surfaces over time and end up leaking.
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Re: S&M Autosport stainless steel injector cups

Postby vwnut8392 » Tue Mar 10, 2015 2:21 pm

EDIGREG wrote:The OE plastic cooling system parts last at least 10 years. I don't see a market for metal ones unless you're able to offer them cheaper than new plastic ones (good luck)

The aluminum parts can be a pain in the ass as well, as they corrode and pit on the sealing surfaces over time and end up leaking.


I know the demand will be low and thats why we're making the parts to order. i personally feel once the metal cups are in there they shouldnt have to be removed ever again. if the aluminum cups would corrode and pit wouldnt the aluminum intake corrode and pit as well? i dont see the stainless corroding anytime soon too.
"The really good drivers got the bugs on the side windows." Walter Röhrl

1984 4000S quattro-AAN swapped
1983 UR coupe quattro
1995 URS6 avant
1992 GTI VR6
1992 GTI G60 X-flow turbo
1986 16V jetta coupe
1985 golf 4 door-AKA the monster golf
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Re: S&M Autosport stainless steel injector cups

Postby EDIGREG » Tue Mar 10, 2015 5:59 pm

I was not talking about the injector cups, those are definitely worth your time. I was referring to the aluminum cooling system parts (thermostat housing since that is the only OE aluminum part).

searched quickly to find this photo - I've seen it much worse than this though. Granted, it is a 15 year old part, but the plastic ones last for a long time in my experience.
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Re: S&M Autosport stainless steel injector cups

Postby vwnut8392 » Wed Mar 11, 2015 2:13 pm

ohh yeah! the old MK1 VW's had aluminum thermostat housings and they used to do that. we was thinking about stainless steel ones along with aluminum. i know the stanless ones would be probably be expensive but they would definitely be a buy it once and have it for life part.

by the way ed, my friend ryan contacted you about your silver S6 for sale on CL, did you get a buyer for it? i told him to jump on it because it was your car so i know it was very very well taken care of.
"The really good drivers got the bugs on the side windows." Walter Röhrl

1984 4000S quattro-AAN swapped
1983 UR coupe quattro
1995 URS6 avant
1992 GTI VR6
1992 GTI G60 X-flow turbo
1986 16V jetta coupe
1985 golf 4 door-AKA the monster golf
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Re: S&M Autosport stainless steel injector cups

Postby EDIGREG » Wed Mar 11, 2015 2:17 pm

yeah, he texted me last week but Taylor already bought the car
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Re: S&M Autosport stainless steel injector cups

Postby ringbearer » Wed Mar 11, 2015 3:01 pm

EDIGREG wrote:yeah, he texted me last week but Taylor already bought the car


So you feel like a 3900lb weight has been lifted off your shoulders? ;)
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Re: S&M Autosport stainless steel injector cups

Postby vwnut8392 » Wed Mar 11, 2015 10:10 pm

EDIGREG wrote:yeah, he texted me last week but Taylor already bought the car


i was hoping ryan bought it, oh well.
"The really good drivers got the bugs on the side windows." Walter Röhrl

1984 4000S quattro-AAN swapped
1983 UR coupe quattro
1995 URS6 avant
1992 GTI VR6
1992 GTI G60 X-flow turbo
1986 16V jetta coupe
1985 golf 4 door-AKA the monster golf
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Re: S&M Autosport stainless steel and aluminum injector cups

Postby vwnut8392 » Fri Mar 13, 2015 1:04 pm

well guys here's the aluminum versions! after crunching numbers i came up with a 130.00 shipped in the USA for a set of 5. i havnt had a chance to personally test them yet as i dont have new intake valves yet for the S4000. these will also fit a 16V intake manifold too after some test fitting so if you have an EFI converted 16V a set of 4 is a 100.00 shipped in the USA.
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"The really good drivers got the bugs on the side windows." Walter Röhrl

1984 4000S quattro-AAN swapped
1983 UR coupe quattro
1995 URS6 avant
1992 GTI VR6
1992 GTI G60 X-flow turbo
1986 16V jetta coupe
1985 golf 4 door-AKA the monster golf
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Re: S&M Autosport stainless steel and aluminum injector cups

Postby ringbearer » Fri Mar 13, 2015 1:44 pm

Very nice!
6061?
How fast does ethanol eat aluminum? Not an issue for me...
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Re: S&M Autosport stainless steel and aluminum injector cups

Postby vwnut8392 » Fri Mar 13, 2015 2:39 pm

ringbearer wrote:Very nice!
6061?
How fast does ethanol eat aluminum? Not an issue for me...


Their 7075 aluminum. ethanol doesnt eat aluminum, it will clean it though.
"The really good drivers got the bugs on the side windows." Walter Röhrl

1984 4000S quattro-AAN swapped
1983 UR coupe quattro
1995 URS6 avant
1992 GTI VR6
1992 GTI G60 X-flow turbo
1986 16V jetta coupe
1985 golf 4 door-AKA the monster golf
User avatar
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Location: PA

Re: S&M Autosport stainless steel and aluminum injector cups

Postby EDIGREG » Wed Mar 18, 2015 12:22 pm

Another example of what happens to aluminum thermostat housings over time... try to get a hose to seal on this bitch!

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Re: S&M Autosport stainless steel and aluminum injector cups

Postby vwnut8392 » Wed Mar 18, 2015 1:31 pm

EDIGREG wrote:Another example of what happens to aluminum thermostat housings over time... try to get a hose to seal on this bitch!

Image


it looks like we're backed in a corner with those things lol. the plastic ones break and the aluminum ones corrode. seems like the only solution is to make them from stainless steel.
"The really good drivers got the bugs on the side windows." Walter Röhrl

1984 4000S quattro-AAN swapped
1983 UR coupe quattro
1995 URS6 avant
1992 GTI VR6
1992 GTI G60 X-flow turbo
1986 16V jetta coupe
1985 golf 4 door-AKA the monster golf
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Location: PA

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