What turbo md321t, rcm450 or sc46
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What turbo md321t, rcm450 or sc46
Trying to decide on what turbo to get the garage that did my engine recommend the rcm450 but I have been looking at sc46 and md321t
The spec off my car is
2.5 cdb pinned
Acl racing bearings
RCM rods
RCM pistons
RCM oil pump
RCM 12mm to 14mm head studs
This is in a 08 sti hatch
So what would you go for and how
Thanks alan
The spec off my car is
2.5 cdb pinned
Acl racing bearings
RCM rods
RCM pistons
RCM oil pump
RCM 12mm to 14mm head studs
This is in a 08 sti hatch
So what would you go for and how
Thanks alan
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Looking to run about 450bhp and don't won't a lagge turbo don't no much about turbos that's how I am looking for someone to tell me the difference in them all
What I can see is you can pick the md321t up second hand any day off the week and you never see the rcm450 or the sc46 secondhand
What I can see is you can pick the md321t up second hand any day off the week and you never see the rcm450 or the sc46 secondhand
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MD321V billet works well on the 2.5
Spools well with almost no lag providing you compliment with the right supporting mods,
500 capable / more with meth
It will run 460 with little effort
Spools well with almost no lag providing you compliment with the right supporting mods,
500 capable / more with meth
It will run 460 with little effort
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#10
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the MD321V has been recommended to me for my forged/pinned SCB 2.5.
My T spools up quick, full boost by 3700rpm at 1.5bar but is disappointing mid and top-end.
The V can come with an alternative 58mm housing which curbs the power a bit but is still an £1800 outlay new.
Trev
My T spools up quick, full boost by 3700rpm at 1.5bar but is disappointing mid and top-end.
The V can come with an alternative 58mm housing which curbs the power a bit but is still an £1800 outlay new.
Trev
#13
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What about one of Andy Forrest's offering? His gt480 on a 2.5 made circa 470bhp and a whopping 520lbft. Yours is pinned so should in theory be good for it. Oh and he made that on an OE top mount. Comes in at £1395 which seems cheaper than similar turbos.
Does anyone have any experience of Andy gt480 or gt420?
Joe
Does anyone have any experience of Andy gt480 or gt420?
Joe
#16
On a 2.5 lag on any of the mentioned turbos won't be an issue. The SC42 is a bit small for 450 on V power only, I'd go for an MDX321T or a V if you fancy close to 500. The RCM turbos are very similar to the MD range & worth considering too. SC46 will do the job too, you have plenty of good options for your power level.
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What about one of Andy Forrest's offering? His gt480 on a 2.5 made circa 470bhp and a whopping 520lbft. Yours is pinned so should in theory be good for it. Oh and he made that on an OE top mount. Comes in at £1395 which seems cheaper than similar turbos.
Does anyone have any experience of Andy gt480 or gt420?
Joe
Does anyone have any experience of Andy gt480 or gt420?
Joe
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#22
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As Martin j says , sc46 will work a treat with right mods I run an mdx321v on a fully forged 2.5 hawkeye , still on standard top mount and injectors @ 1.4 bar tailing to 1.3 made 428 bhp and 407 torque ! Next mod will be front mount and bigger Injectors to get me some more power
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http://lateralperformance.co.uk/prod...450bhp__billet
As for prices I'm not sure, most of these guys/places have their own hybrid version of the GT 30 so I woulden't be surprised if Andy has tweaked it to his own design.
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I did Speek to John and he just filld my head off stuff I don't no about I told him what turbos I was looking at and started going on about different size housings what I don't no what it dus I just won't a turbo that has early spool and makes 450bhp or just over