[QUOTE=Granatelli;1946240]Let me start by saying I am a huge fan of Magnuson and we work hand and hand on projects. With that said please allow me to address a few of your statements:
That is subjective – As an example, when installing a turbo, you don’t spend extra money on pulley changes, you don’t need to drill into or install the crank pulley, you do not need to modify the heater hoses and plumbing, you don’t need to plumb hose to and from the heat exchanger (installing the heat exchanger for the Maggie is the same time it takes to install the Intercooler for a turbo.
the size of which can be challenging to route without modifying the car in some way
Nope. No piping or drilling of oil pan. Oil drains back into the valve cover. And most turbos these days do not require water cooling.
Where are you obtaining the oil to lubricate the turbo(s) then? You have to tap in somewhere...and tap in again to route to the valve cover(s)
Quote:
Originally Posted by hypurone
a lot more plumbing for the required air-to-air IC.QUOTE]
I agree there is more tubing with the turbo than with a Maggie system but no more than a Paxton, Vortech or Procharger set up and in exchange the discharge temps are way lower on the turbo then the Maggie. Air to air intercooling has a lower discharge temp then a Maggie at boost and cruisebut as with most front mount IC that are air-to-air and need to be very thick in comparison, car cooling suffers or has to be modified in some way to handle the extra heat shed into the rad by the IC
Nope. The Maggie sits smack in the center of the engine and compressing air makes heat regardless of the device that compresses it. If you have a top mount turbo I agree the Maggie is most likely cooler but twin turbo like the Hellion and TTi/GMS kit will have lower under hood temps than a Maggie for 2 reasons; 1. They are down stream of the stock exhaust manifolds and 2. They is nothing in the engine compartment to make the temp goes up – Naturally at boost the turbos create heat but the air from the turbo is cooled by the huge tubing and heat from the housings is dissipated by the air rush across them at cruiseturbos need to be close enough to the manifolds to have sufficient flow to spin them, if they are this close to be efficient, they are gonna add to the under hood temp and now you are talking 2 of them...unless of course you are going rear mount but then you suffer lag
It is pretty tough to run too small of a turbo when there are twins. Even 2 pewny turbos like 50mm each would make 800hp which is a ton of power – the Hellion turbos are 58mm and the Granatelli turbos are 62mm I can tell you there is no lag on the Granatelli system and looking at the Hellion numbers they don’t lag either. Admittedly the Maggie will make more torque below 2500 rpm a twin system adds complexity and additional points of failure
Again I agree the Maggie is nice and as easy to install as any other system. But if you talk about stress on the engine the turbos create les stress because they don’t drive and create crank shaft load. The number speak for themselves – if your goal is 600 rear wheel (100 more than a ZR1) then you can get there for less money with w twin turbo set up and have less stress on the motor because it will take less boost
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Not arguing here, just pointing out some stuff that I have seen in the past and can make a difference in some folks minds and some kits don't address...
