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Assy: 4035253
Cust: 3960478
Model: HX35W
Good Bad ... PERFECT ?
What is your goal for the car? with that in mind you should size your turbo. I have been wanting to do an HX30 on a redblock for a while. An hx35 on a stock car is a waste of time and will make for a very laggy setup. Now if you have a worked head, big cam, big intercooler and MS then sure and HX35 makes sense but at that point going to a custom manifold will pick you up another 20-30whp over the 90+ and really help the engine wake up and make use of that size turbo.
There’s quite a lot of HX35 variations.
Turbine wheels, aside from a few unusual ones, are all the same size, and most are 12 blade, but some higher flowing 11 blade ones also exist.
Compressor wheels vary a lot, most common is 54 and 56mm inducer ones, 6 7 and 8 blade. Most I’ve ever seen from any of them is about 600 at the crank, and while the larger ones with less blades are supposed to make more power, I’ve seen similar numbers from them all.
There are HX35 wheels as small as 50mm though, which is much less power- Probably no more than 450 even pushed very hard.
And of course you can build hybrids using larger wheels from HX40s and aftermarket manufacturers.
HX35 usually has a 12cm housing. The HY35 has either a 9cm or 10cm housing.
My worn LH 8v was quite fun with a HY35 at 1.3 bar, 10cm (54 in 56 out). I drove against BMW 435i to 190km/h, I kept up perfectly with him (and he was quite surprised how fast the 1000euro Volvo was). Response was decent with a simple t3 flanged 940 manifold.
1 bar 3000 rpm 4th gear.
Easily hit full boost in first. 3500+ was near instant response in second gear and up.
Very nice turbo for stockish 8v's.
You're right, the 12cm twin scroll is the common smaller housing. The 10cm i got confused with was a custom one that i was looking at for a while made by timsturbos. It was a normal, non twin scroll housing that he had made. Not sure if he still sells them though.
That being said, i did just find this...
https://www.ebay.com/itm/NEW-GENUIN...164571&hash=item287c77fb58:g:~YIAAOSw4sNcGG40
Comes with free Corona virus.