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-   -   Holset HX60 over HX40... (https://www.dieselbombers.com/5-9l-12v-performance/102729-holset-hx60-over-hx40.html)

angelic0- 09-28-2012 11:32 AM

I think it's a good setup, because i was going to do a HX52 over a HX35, but the HX35 has such a small exhaust housing that it would make crazy drive pressures...

I'm thinking that since both HX40 and HX60 are non-WG and have big exhaust housings this will clean up much better and still have the EGTs in order since i have the 4k GSK...

I'll just start off in 1st gear if i have to tow heavy and keep them breathing... no low boost smoke hauling with something heavy...

---AutoMerged DoublePost---


Originally Posted by 94 12valve (Post 942473)
the 370's can get you pretty far, if your dead set on them raise the pop press and keep your timing in check.

How much should i raise the pop? they're set at 260bar... should i go 20bar up?

94 12valve 09-28-2012 01:17 PM

id go 280 to 290

angelic0- 09-28-2012 01:28 PM

what difference will it make to raise the POP?

i'm trying to keep EGTs in check aswell....

angelic0- 10-02-2012 11:04 PM

HX60 has 32cm^2 exhaust housing...

cummin_un_glued 10-03-2012 10:47 AM

That should work fine. What about the 40?

Sent with a Droid RAZR in one hand and 14,000 volts in the other.

angelic0- 10-03-2012 12:06 PM


Originally Posted by cummin_un_glued (Post 944694)
That should work fine. What about the 40?

Sent with a Droid RAZR in one hand and 14,000 volts in the other.

18 or 16cm^2, both are non-WG

I think this will work fine... and drive pressures should be minimal...

cummin_un_glued 10-03-2012 01:22 PM

I would go with the 16 then maybe an external gate later

Sent with a Droid RAZR in one hand and 14,000 volts in the other.

angelic0- 10-03-2012 06:26 PM

I have both exhaust housings, so i can choose what to use...

I think that 18cm^2 won't be too laggy with 4k GSKs...

cummin_un_glued 10-03-2012 10:08 PM

ah then you can see which one yalike better the 16 would spool a couple hundred rpm sooner

angelic0- 10-04-2012 06:05 PM

ok, just bolted my head down with "Special Marine Bolts" from a local Cummins dealer, 8 steps... 150lb.ft... hope they hold up :)


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