sc40 or harveys/andy forrest 20g or md321h
 

im thinking of getting one of the above.i have a forged p1 with a clutch that will handle the power.id like to hear for any mapper or anyone who has had one or more of these turbos.how do they spool compared to the standard turbo or your previous turbo?when is it at full boost and what power figures did it make.i thought this would be interesting to see from people that arent selling the turbos and people that have payed their hard earned out for the stated turbos.

Theres probably a hundred threads concerning these turbos already, search function is a handy thing ;)

Probably best turbo will be for forged P1 md321h and here is link for dyno plots.

https://www.scoobynet.com/general-te...yno-plots.html


Jura

already done a search.read the 50 page thread on scoobyclinics billet turbos.just would like like an upto date thread on the stated turbos by car owners not the companys selling them.:thumb:

thanks jura11.:thumb:

Or you can have look here https://www.scoobynet.com/752974-md3...gt2871r-3.html

And here is dyno plot again of MD321H
http://i188.photobucket.com/albums/z...6/SDC12599.jpg

Have you looked at the md 555 here ? http://www.turbodynamics.co.uk/ ?
Not cheap but hearing good reports & will be using one on my build.

Dave

no mate but a fellow owners club member has one and loves it.i will have a look:thumb:

Lee i know someone selling a s/h SC46 billet if thats any good to you.

how much matey?

anyone made 400bhp on pump fuel on one of the above 20gs?

I am about to start putting mods onto my bug sti and a AF 20g is in the box. 380 will make me a happy man :d

Hi matey this depend on more factors like turbo and pump,but usual BHP will be on V-Power 380BHP.



Jura

im having trouble sorting a turbo because theres so many to choose from!!!!theres a vf34 for sale on here.what sort of power and spool would that produce?would it be on par with an 18g as i have a greddy 18g sat here?:thumb:

MD321H on my old RA made 413bhp 378lbs/ft on v-power and pulled nicely all the way to the redline, only reason it came off was for a MD321T :)

whats the t like mate?is it on a 2.0?what was the h like on the road pal?:thumb:

Hi matey i have fitted VF34(1.4bar) and this turbo on 2.0 is probably best,fast spooling(spool faster better than VF35,VF30) ,great for 350-360BHP(some run 365BHP),but later this month i go replace for something bigger(i want go for 400-440BHP,and turbo not decision made at moment).
18G is good for around 360-380BHP(on some car make just 350bhp)
Really depend for what power you are looking?
MD321H is my weapon of choice.....
Jura

just want more than my last classic which was around 340 bhp.with a forged 2.0 what would be the max i could get from a vf34?i do fancy a md321h but cant afford the £1500+ pricetag as i have a simtek and injectors to buy.:thumb:

Hi matey if you have all ready at home GReddy 18g,use this turbo and you will see what power make.
Simtek is good ECU,but best is Syvecs(£1600 supplied and fitted with ALS etc.).
Try luck,maybe someone will sell MD321H for good price.


Jura

worried that greddy will be a little bit laggy and maybe a better option would be a harveys ported 18/20g or vf34.i may try the greddy and save a while for the 321h.i have a buyer for the greddy so just need to get my finger out and make a decision!!!:thumb:

Hi matey have look at this dyno plot and you will see.About Harvey's turbo i don't know nothing and i don't comment them,no dyno plot or other available files which can confirm better spool or other(against standard turbos).Everything depends on other factors like turbo...
Here is dyno plot:
http://surgeline.cobbtuning.com/dyno...rgb1=000000255



Jura

is that whp as it seems quite poor tbo:wonder:

Yes its WHP,really don't know but around 353BHP.Which is good for any T05-18G,not best,but still good.





Jura

its good with 92 ron fuel.spool didnt look great on the graph though.i may fit the greddy but if i can get a bigger turbo at the right price i will buy one:thumb:

OK,matey :thumb:





Jura