Walbro Fuel Pump...

Heads, valves, pistons, rods, crankshaft, etc...

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azn2nr
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Post by azn2nr »

the 39 flows more air imo but ill see when i get there. im hooking up the fmic and a pump the same week the turbo goes in. ill only be running stock boost until i get some management.

get your car running right and we'll compare silps in the spring.
-jason
[quote="Scoobyniteowl"] Chasin' @$$ is a great form of exercise and if you do get any, then that is more exercise[/quote]
BAC5.2
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Post by BAC5.2 »

At 14.7psi, the 16G already flows more than the stock engine can injest at 14.7psi. So anything more isn't going to do a whole lot. I think the 16G flows like 505CFM, and the engine can ingest 450 or so. The VF22 flows like 480CFM, and the VF22 is bigger than the VF39 IIRC.

I don't recall, exactly, the compressor maps. Brat4by4 mentioned them and showed me the maps.
2009 Outback 2.5XT. 5MT. Satin White Pearl.
2009 Impreza 2.5i Premium. Blue.

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azn2nr
Fifth Gear
Posts: 2412
Joined: Sun Nov 30, 2003 8:02 am
Location: salt lake city

Post by azn2nr »

the 39 uses the same compressor section as the 22 just its not titanium and a different wheel. it also has a smaller exhaust housing giving it midrange.

if the 16g flows better than the 39 i think they (fhi)would have used it in the newer cars instead of going to a vf series of turbos. imo
-jason
[quote="Scoobyniteowl"] Chasin' @$$ is a great form of exercise and if you do get any, then that is more exercise[/quote]
azn2nr
Fifth Gear
Posts: 2412
Joined: Sun Nov 30, 2003 8:02 am
Location: salt lake city

Post by azn2nr »

so the 342 for wrx will work fine. right
-jason
[quote="Scoobyniteowl"] Chasin' @$$ is a great form of exercise and if you do get any, then that is more exercise[/quote]
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