Rear mount turbo

Neat idea but i bet the lag is huge

 

AH no, look at the pics on the dyno - looks ~3500 RPM. Remember 5.7L V8 (thats 3.7 more liters displacement)

 

probably but its going to a V8, theres plenty of power there already, just a little extra up top now.

 

Point of high validity

 

I remember reading up on the rear moutned STS kits. Turns out they dont have anymore lag than ones mounted off the manifold. How? Beats the hell out of me.

 

a few things that i would not like
-having the weight of the turbo hang from rubber hangers (you would not want to hard mount it because it is an exhaust)
-having all the piping lead up to the front (possibly crush going over speed bumps or damaged by rocks)
-filter at the back behind the tires = water in filter, then water in turbo which is not good for bearings)
-damaging turbo if it hangs too low
-adding an oil return pump plus the added oil line

those are just some quick things about that.

mounting the turbo away from the engine (similar to ams's race car) is a good idea though to keep the heat away, but rear mounting... there could be a happy medium

 

Friend has a WS6 with an STS rear-mount turbo kit. Thing has some ***** and sounds insane. FTW he put down 579 rwhp on pump gas

 

I know a guy with a w6 firebird with a rear mounted turbo. With a stutterbox there is no lag from a dig, and that massive v8 takes no time at all to spool his t78. 700+ whp and 10's to prove it.

 

The return piping is coated with a chemical that disperses heat. Essentially, it acts as the intercooler, cooling the air on its return. As for the lag, they specifically stick with larger displacement motors for a reason. I don't know if they've messed with any smaller engines (maybe a v6, but no 4's that I've seen). I spoke with one of the techs a while back about running a setup on a v6...he pretty much said "We're only doing 8's right now." This was a couple years ago, so who knows.

They have plenty of information on their site...so if you're really interested, I'd check it out.

 

I can just see the next generation of asymetrical twin turbo EVO's now.... stock turbo up front with GT45R out back

Keith