NateZ Posted January 5, 2005 Report Share Posted January 5, 2005 How come My buddy can boost like 15 lbs or alittle more of boost on his eaton supercharger on his cobra, but magnachargers kinda fall short around 10lbs? Just curious Nate Link to comment Share on other sites More sharing options...
Dylan06SS Posted January 5, 2005 Report Share Posted January 5, 2005 i don't think it really matters... with the compression being as high as it is the SS couldn't handle 15lbs of boost could it? Link to comment Share on other sites More sharing options...
zippy Posted January 5, 2005 Report Share Posted January 5, 2005 cubic inches to start with. i don't believe they are the same blower though. Link to comment Share on other sites More sharing options...
TurbochargedBerserker Posted January 5, 2005 Report Share Posted January 5, 2005 i don't think it really matters... with the compression being as high as it is the SS couldn't handle 15lbs of boost could it? <{POST_SNAPBACK}> No. 12 psi would be the upper safe limit on 10:1 I'd think. The cobra's can only do it on stock internals for a short while. Link to comment Share on other sites More sharing options...
NateZ Posted January 5, 2005 Author Report Share Posted January 5, 2005 Im not at all sayin i want to do it on the SS, i'm content with my 6lbs. I was just wonderin. Even the 5.3 guys on ls1tech say there eatons start belt slipping around 10lbs? Nate Link to comment Share on other sites More sharing options...
ctrow Posted January 5, 2005 Report Share Posted January 5, 2005 Keep in mind the new Cobras have forged bottom ends from the factory along with obvious lower compression. My buddy that has an 03' is always showing me stuff that's available for them. They're a pretty stout motor. Link to comment Share on other sites More sharing options...
misterp Posted January 5, 2005 Report Share Posted January 5, 2005 I am also a fan of the Mod motor - they really are impressive. Just not big enough! Mr. P. Link to comment Share on other sites More sharing options...
ChevySSandChevy8.1 Posted January 6, 2005 Report Share Posted January 6, 2005 Keep in mind the new Cobras have forged bottom ends from the factory along with obvious lower compression. My buddy that has an 03' is always showing me stuff that's available for them. They're a pretty stout motor. <{POST_SNAPBACK}> those cobras are pretty tough, I'm looking forward to see what the new SVT cobra is going to come with Link to comment Share on other sites More sharing options...
styleandspeed Posted January 6, 2005 Report Share Posted January 6, 2005 Cobras also have composite rotors in their eaton blowers which allows them to spin faster and create a bit less heat. Also on the cobras you change the lower pulley which doesn't decrease the surface area of the belt on the blower pulley therefore you can spin it faster w/o belt slippage because more of the belt is actually in contact with the blower(upper) pulley. Also a change in the lower pulley size makes more of a difference in how fast the blower will spin than a change in the upper pulley will. Cobras also have a bigger intercooler under the blower which allows them to dissipate more heat so you can run more boost safely. Also as zippy said they are only 4.6L which is easier to fill than 6.0L Aaron Link to comment Share on other sites More sharing options...
NateZ Posted January 6, 2005 Author Report Share Posted January 6, 2005 Cobras also have composite rotors in their eaton blowers which allows them to spin faster and create a bit less heat. Also on the cobras you change the lower pulley which doesn't decrease the surface area of the belt on the blower pulley therefore you can spin it faster w/o belt slippage because more of the belt is actually in contact with the blower(upper) pulley. Also a change in the lower pulley size makes more of a difference in how fast the blower will spin than a change in the upper pulley will.Cobras also have a bigger intercooler under the blower which allows them to dissipate more heat so you can run more boost safely. Also as zippy said they are only 4.6L which is easier to fill than 6.0L Aaron <{POST_SNAPBACK}> Aaaahhhhh....... Nate Link to comment Share on other sites More sharing options...
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