Archer Fabrications
10+ Year Contributor
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- May 9, 2011
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Scottsdale,
Arizona
I think I'm gonna do -6 since thats what my fpr came with.
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I think I'm gonna do -6 since thats what my fpr came with.
Open up the restrictor a bit. The .078" is too small if you're seeing warm idle and cruise pressures that low.
((CM x 8) - 7) / 100 = a/r ratio
some conversions below.
6 cm2 = 0.41 A/R
7 cm2 = 0.49 A/R
8 cm2 = 0.57 A/R
9 cm2 = 0.65 A/R
10 cm2 = 0.73 A/R
11 cm2 = 0.81 A/R
12 cm2 = 0.89 A/R
14 cm2 = 1.05 A/R
16 cm2 = 1.21 A/R
18 cm2 = 1.37 A/R
21 cm2 = 1.61 A/R
Download the correct Service Manual for whatever model you're rebuilding...everything you need to know is inside.interested what's the torque spec for tightening the nut on compressor wheel
I know it's been a few months but what housing did you end up going with? Why didn't you just have the HX35 housing machined for the HX40?I know this thread has been dead awhile but didn't want to start another, so anyway. I just swapped my twin scroll 7 blade hx35 for a 60mm 7 blade hx40. The hx40 has an 18cm^2 housing on it and I tried it out. Man, holy lag. 35 psi by 5500 or something like that. I'm not liking it. I was looking around for another housing, was thinking to myself about a 14cm or something but then I saw turbolab it seems just came out with this: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&cad=rja&uact=8&ved=0ahUKEwjdpPfdlKvMAhUGPCYKHa8NA0IQtwIINjAE&url=https://www.youtube.com/watch?v=EVyIrxQUjC8&usg=AFQjCNEtHCiF7Uxy2m5qX-ZFGgkP8BboyA&bvm=bv.120551593,d.eWE Its a .82 t3 housing for hx40s. Thoughts? Im kinda leaning towards it, and its about $150.