Anonymous
Unregistered
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Hi,
I was wondering if anyone had done this.
I was looking to build an adapter plate so that I could throw a air filter on my 87 4runner. The only problem is, the entrance into the MAF is about 2 in. by 2 in.
The real question is, is htere a way to modify/or buy a new MAF that has a bigger intake hole
or
does any company make intake for a 1987 4runner. The lowest year I have seen is for an 1988 4runner.
Thanks
-Ben
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matts
Body Damage is Cool
Reged: 01/04/02
Posts: 1611
Loc: S.E. Wisconsin
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A guy on this list, with the screen name "Mosk", would probably know the answer. I know that turbo Supra enthusiasts look for a certain Lexus AFM/MAF. I don't know what good it would do to have a larger MAF when you will still have a small throttle body. Now if you were pulling air through that thing with a turbo it might be a different matter. -- Matt
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'89 4runner SR5, 3.0, auto (fun)
'93 xtra cab, dlx,3.0, 5spd (work truck)
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kyle-22r
Body Damage is Cool
Reged: 08/10/02
Posts: 2101
Loc: Lacey, WA
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there's a certain supra AFM that will work on a pickup, it has a larger opening 
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'79 sport 4x4 longbed 
20/22R hybrid with EB's OS valves, 268c cam, offy intake, weber 32/36, thorley header, 5 speed swap, 34" LTBs, downey 3" springs, marlin hysteer, 4.88s and locked
'91 4x4 shortbed
22R-E, W56, the dd!
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D-runner
Mudrunner
Reged: 12/18/02
Posts: 262
Loc: Willows, CA / Henderson, NV
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Quote:
there's a certain supra AFM that will work on a pickup, it has a larger opening
Go to local junkyard and ask for a 1982 supra AFM, the number on top should be 22250-43110. The next step is to go to hardware store plumbing section and get a 2" to 3" rubber adapter coupling. Now remove intake hose from airbox, remove electrical connector to AFM, remove the 3 or 4 bolts and pull out the entire airbox. Remove the little adapter on end of intake hose and put on new 2" to 3" adapter. Take your cone filter (K&N universal cone filter part #2430) slide it onto the supra AFM and tighten hose clamp. Slide the supra AFM into the 3" adapter and tighten hose clamp. Plug in the electrical connector and your good to go.
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Adam W.
87 4Runner SR5 - 22RE w RV head & TRD Cam, LCE header, W56B-HD, 4" Stage II, 1.5" BJS, Rancho T-bars, F 5.29, R 5.29 ARB V6 FF w LC disks, 35" MT/R's
85 4Runner frame, 5" Marlin springs, 5:29 ARB HP front. Work in progress - Always!
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mosk
Body Damage is Cool
Reged: 02/11/00
Posts: 1059
Loc: Belmont, CA, USA
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D-runner is correct...but I would add that the stock AFM is fine for almost all normally aspirated motors. Based on my own experience with my turbo truck, I feel the stock AFM, which is the same size ob both turbo and non-turbo vehicles, is good to 180 hp or so. If you switch to a larger AFM you will have a lot of compensating to do, and it can be almost impossible to tune.
I have some more info on my site:
http://www.well.com/user/mosk/AFM1.htm#AnchorBigAFM
Good luck,
Jeff
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Jeff Moskovitz
1986 turbo 4X4 truck
1998 2.7L/M5 4X4 4Runner
Jeff's 22R-TE page
22RTE Turbo Truck Forum (advertising free)
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Anonymous
Unregistered
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hey,
thanks a lot
i'll look over the info and then decide.
thanks again.
btw...does anyone know if they make the intake piping for an 87?
thanks again
-Ben
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