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The Terminator
Engine/Tuning
Help Needed on 03 Cobra
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<blockquote data-quote="SlowSVT" data-source="post: 8179516" data-attributes="member: 20202"><p>You seem to be getting the hang of it........great more typing :dw:</p><p></p><p>Save your money and don't bother with level 5 axles. The hub design is a bit hoakey with the shaft spline does not engaging the entire length of the hub plus the inner bearing race is paper thin and will bend just by looking at it wrong. They are suppose to be stronger then stock but people have had problems with them. The stock shafts are not bad and will likely hold up as long as the car isn't wearing slicks. Not only that but the stock shafts are not very expensive and you would have to break about 1/2 a dozen before it would pay for a pair of level 5's</p><p></p><p>Billetflow diff brace defiantly. 26 spline tranny input shaft when you change the clutch you're going to burn out with the bigger huffer. Fluidyne single pass radiator and a Gords heat exchanger along with the head cooling mod.</p><p></p><p>Yes, keep your IRS and don't let anyone tell you otherwise unless it's a dedicated drag car. I strongly reccommend AC427's delrin bushings. Probably the best handling mod you can put on the car. The stock Bilstein shocks and struts for the street are about as good as it gets. Coilovers' Hmmmmmm let's just say I am not crazy about hanging the weight of the car off metal design to hold the shock in place unless you reinforce them. Many people don't have a problem with them but I would worry about metal fatigue over time.</p><p></p><p>Maximum Motorsports sub-frames will do just fine, just make sure they are welded "weight-on-the-wheels or your doors won't close. If you got the dough consider Global West which IMO are the best and will allow your car to be jacked up NASCAR style but they are a bit on the heavy side.</p><p></p><p>Replace the 13mm IRS front sub-frame mounting bolts with grade 12 14mm or better yet 9/16" grade 8+ bolts and urethane bushings and the "clunk" should go away.</p><p></p><p>The stock breaks are designed to slow the car down from 150 mph and are more then adequate for the street. Braided steel lines are a nice addition.</p><p></p><p>The helicoiled heads shouldn't give you any problems since the majority of 03 and some 04 with aftermarket blowers are still running around only 4 aluminum threads :uh oh:. Use Anti-Seize on the threads before installation.</p><p></p><p>I like the Whipple blower a little more not because it's a better blower because it isn't. It just looks like a blower and not a breadbox. Avoid a polished unit. A rough cast case has twice the surface area of a polished one and will run cooler. The stock throttle body is almost as good as a single blade power wise. The fuel system is a little more involved and should be investigated a bit before deciding what you wanna do. What you should do is overkill your fuels system so it won't break a sweat regardless of what you throw at it or you can say "nite nite" to your engine.</p><p></p><p>I'm sure I forgot a few items and others may have things they would add or change but I think I got you well on your way to going broke. </p><p></p><p>Dude I'm done and you owe me a beer.</p><p></p><p></p><p>:sleeping:</p></blockquote><p></p>
[QUOTE="SlowSVT, post: 8179516, member: 20202"] You seem to be getting the hang of it........great more typing :dw: Save your money and don't bother with level 5 axles. The hub design is a bit hoakey with the shaft spline does not engaging the entire length of the hub plus the inner bearing race is paper thin and will bend just by looking at it wrong. They are suppose to be stronger then stock but people have had problems with them. The stock shafts are not bad and will likely hold up as long as the car isn't wearing slicks. Not only that but the stock shafts are not very expensive and you would have to break about 1/2 a dozen before it would pay for a pair of level 5's Billetflow diff brace defiantly. 26 spline tranny input shaft when you change the clutch you're going to burn out with the bigger huffer. Fluidyne single pass radiator and a Gords heat exchanger along with the head cooling mod. Yes, keep your IRS and don't let anyone tell you otherwise unless it's a dedicated drag car. I strongly reccommend AC427's delrin bushings. Probably the best handling mod you can put on the car. The stock Bilstein shocks and struts for the street are about as good as it gets. Coilovers' Hmmmmmm let's just say I am not crazy about hanging the weight of the car off metal design to hold the shock in place unless you reinforce them. Many people don't have a problem with them but I would worry about metal fatigue over time. Maximum Motorsports sub-frames will do just fine, just make sure they are welded "weight-on-the-wheels or your doors won't close. If you got the dough consider Global West which IMO are the best and will allow your car to be jacked up NASCAR style but they are a bit on the heavy side. Replace the 13mm IRS front sub-frame mounting bolts with grade 12 14mm or better yet 9/16" grade 8+ bolts and urethane bushings and the "clunk" should go away. The stock breaks are designed to slow the car down from 150 mph and are more then adequate for the street. Braided steel lines are a nice addition. The helicoiled heads shouldn't give you any problems since the majority of 03 and some 04 with aftermarket blowers are still running around only 4 aluminum threads :uh oh:. Use Anti-Seize on the threads before installation. I like the Whipple blower a little more not because it's a better blower because it isn't. It just looks like a blower and not a breadbox. Avoid a polished unit. A rough cast case has twice the surface area of a polished one and will run cooler. The stock throttle body is almost as good as a single blade power wise. The fuel system is a little more involved and should be investigated a bit before deciding what you wanna do. What you should do is overkill your fuels system so it won't break a sweat regardless of what you throw at it or you can say "nite nite" to your engine. I'm sure I forgot a few items and others may have things they would add or change but I think I got you well on your way to going broke. Dude I'm done and you owe me a beer. :sleeping: [/QUOTE]
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