Help me understand the 3 different gt2560's

[48855]

On Garretts website, there are 3 different gt2560's. What are the differences?
Compressor Turbine
GT2560-1 46.5 60.0 60 .60 53.0 62 .64
GT2560-4 Same as above but better turbine housing/wheel matterial
GT2560-9 44.5 59.4 56 .42 53.8 62 .64 or .86

Basically -1 and -4 is the same but the -4 has better material on the turbine side.
My question is, how does the -4 and -9 compare?
Thanks.

[generationjdm]

The last one you cant get which was the original gt2560, the gt2560-4 uses a inconel turbine side which weighs almost 1.5 more and takes 4 months to get from garrett on average and cost is greater, theres really no benefits between the -4 verse -1 same turbo...

[48855]

Thanks.
I thought inconel was a lighter material?

[BastardS4]

http://en.wikipedia.org/wiki/Inconel

[generationjdm]

Thanks.
I thought inconel was a lighter material?

It's heavier for sure... I weighed the gt2560-1 none inconel and the 2560-4 inconel over 1.5lbs heavier

[BastardS4]

=laaaaaaag and power loss for sure.

but it would stand up to serious abuse.

[generationjdm]

I'm sure 99% of the weight is in the turbine housing it self and not the wheel

[BastardS4]

I'm sure 99% of the weight is in the turbine housing it self and not the wheel

My mistake, i thought only the wheels and shaft were iconel.

really, the whole housing? seems a waste.

plus be hard as hell to machine to clean up casting lines and crap if it was needed.

[generationjdm]

Ya the full housing and ive ported a few with zero troubles at all plus the garrett stuff is 1000% cleaner inside then the kkk stuff ive seen

[Unispeed]

ok, here it is.. small gt25 will get you in trouble, medium gt25 will get you in even more trouble, and a big gt25 will get you in heaps of trouble. lol ok, this is genjdm land and since I have no clue what I am talking about I'll be on my way.. hehe

[S4 in_lowplaces]

i have iconel in my exhaust, how much WHP am i looking at gaining?

[espo4442]

I have a turbonator and I make 500awhp!