GT2860RS Vs GT2871R 0.64A/R

[RobDon]

OK so I have the GT2860RS turbo, but CR Turbos have said they can upgrade the compressor wheel from the 60 to the 71mm and turn the turbo into a GT2871R for £215.

Should I stick with the RS or go for the 71R? Will I get bored quickly with the RS? Has anyone had both turbos and can offer some feedback on both?

 

[gazcuprablk]

not sure if its much help but i was running a gt2860rs and now running the smallest gt3071 and this turbo runs 370hp+ so around the same kind of power the 2871 can run depending on spec but mine is a tad laggier and requires to be revved a bit more up in the rev range which im not so keen on until i get valves but had the turbo off a m8 very cheap as the bearings collapsed in my 28rs as i was told it was a 2871 but after putting the part no of it through owens development site was a 3071,

if it was my choice id have stayed with the 28rs due to the bit more lag i now get but as i had no cash to fork out for a new one this seems to be doing the job fine even with the load scale turned down.

 

[RobDon]

So you think the 60RS is the better all-rounder, quicker spool, etc.? What was the 60RS like right through the rev range, did it hold the power higher into the revs or drop off?

 

[gazcuprablk]

held power from about 4k to the red line 7.2k only thing is i dropped a valve last year on the way home from doing a trackday so not really keen on a massive turbo without the uprated valves id say its a better allrounder but others think othewise but from my experience i would of kept with the 28rs if i had the option although i did look at the option you are the 2871 upgrade when my bearings collapsed on mine, suppose if i went in ibiza alex's car i would say otherwise.

 

[RobDon]

I have uprated Supertech valves in mine already. If the 60RS spools fast and holds power right to the redline I may just keep it for now. Increasing the compressor wheel from 60mm to 71mm has to increase lag. I'm not bothered about peak bhp figures, I'd much rather have a broad, usable power band with quick spool.

 

[wild willy]

i would suck it and see Rob. Your new mani appears to give relatively easy acces to the turbo so changing it 6 months down the line to a hybrid shouldn't be more than a few hours work for you. I recon your 28rs will out spool your eliminator as it is plus i think across the rev range you will see quite a noticeable difference.
Your pulling very impressive bhp at the moment with your current setup which i think is helped alot by the extensive supporting mods (SEM etc) so i'd expect to see you creating more bhp than your average 1.8t user on the 28rs.

 

[RobDon]

I think you're spot on, removing the turbo will be dead easy with the BDM manifold and I know that for £215 I can turn it into a GT2871R if I want more power. Given that Alex got 359bhp from the same turbo and this guy below is up to 393bhp with very similar modifications to me, it's got to be worth a go!

http://www.seatcupra.net/forums/showthread.php?t=267901

 

[RobDon]

I have decided to stick with the GT2860RS for now. Once fitted, mapped and dyno'd we'll see what it's making and how it feels on the road.

I may wait until the winter and send it off to CR Turbos for the GT2871R upgrade for next year.