fuel injectors on a 86 S4 N/A . .400cc?
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Senior Member
Joined: May 2007
Posts: 277
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From: ca
fuel injectors on a 86 S4 N/A . .400cc?
Looking at replacing the leading fuel injectors on my FC 1986.
I seem to recall 400cc's were what came on the car? .. . . . . .What fuel injectors should I put in there to get it back to OEM stock so I can smog it?
I seem to recall 400cc's were what came on the car? .. . . . . .What fuel injectors should I put in there to get it back to OEM stock so I can smog it?
welcome to the board. 
i think they are something like 440s, but to get to your question, why not have your injectors refurbished - especially if you're keeping it stock? that way you don't have to mess around with trying to "find" some.
i think they are something like 440s, but to get to your question, why not have your injectors refurbished - especially if you're keeping it stock? that way you don't have to mess around with trying to "find" some.
Junior Member
Joined: Jun 2021
Posts: 47
Likes: 5
From: Houston
Second this, the OEM injectors are great.
I had my blocked, filthy injectors refurbished and flowed (within like 2%) by Maple Racing in North Houston. Cost was like $25/injector, but he does just a basic cleaning and flow for cheaper also. Car is now superlively compared to before and revs out fine whereas before I think the secondaries were dead, and the car would hit a wall at 3800 rpm or so.
I had my blocked, filthy injectors refurbished and flowed (within like 2%) by Maple Racing in North Houston. Cost was like $25/injector, but he does just a basic cleaning and flow for cheaper also. Car is now superlively compared to before and revs out fine whereas before I think the secondaries were dead, and the car would hit a wall at 3800 rpm or so.
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