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Discussion Starter · #1 ·
Alright guys wondering if i should just drop 2200 on a 67mm efr turbo and run a single or just do hx35/s478.

Wanting to know which is better bang for the buck, trying to break 600hp with:

Benched pump
5x16s
DDP 042s

Savings? I own a cummins. I dont save my money.
 

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I think you could find a good single for cheaper than that one to break 600. That hx35 may make things a little hot with compounds at 600 horse. Somebody who has experienced will chime in and answer for sure though.
 

· Sasquatch
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The S478 isn't needed for 600, an S475 would be better for the savings or even better would be an S472 or S471 for quicker response. The HX35 in a compound set can get there, but it isn't the best secondary for that goal. If you're going to use the HX35 then I'd recommend porting the wastegate and drilling through to vent the other volute. An HX40 would be a better choice for a top turbo or an S300G if you can afford it. If on a pure budge and peak horsepower is your only goal then I'd recommend a large single, but if a fast street truck is the goal then I'd recommend compounds.
 

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Discussion Starter · #4 ·
I think you could find a good single for cheaper than that one to break 600. That hx35 may make things a little hot with compounds at 600 horse. Somebody who has experienced will chime in and answer for sure though.

Well the thing about singles capable of over 80 Lbs. A minute is that they tyoically dont spool fast, where as the 67mm efr will spool as fast as stock and flow 90 Lbs. A minute. Or a 64/71/.85 might/should support 600

Savings? I own a cummins. I dont save my money.
 

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Discussion Starter · #5 · (Edited)
Bumpppp

Savings? I own a cummins. I dont save my money.
 
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