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  #311  
Old 07-19-2011, 08:30 PM
67ragtp 67ragtp is offline
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Originally Posted by 69MSA View Post
I'm *only* running an 18x9 with a 275. However, the car is sitting so low with the half-height bushings, and springs, (which seem to keep settling a little after track days), that I had the wheels re-hooped half an inch wider on the outside, so that the wheels wouldn't scrape the control arms at close to full lock. Other than the rim width, we're running a nearly identical setup, so I'm thinking a little bit of grinding might solve the problem - if you can bring yourself to do it. Of course, having the fronts re-hooped and/or stepping down to a 9.5" would be the right way of doing things. I don't think you'd be sacrificing any significant performance. With DSE's rear bar, the car is fairly neutral in the corners.

Matt
Its funny that you mention the springs settling, the 450# springs delivered with the frame settled just sitting in my garage to a point where I just got disgusted. Not even test driving the car yet I popped the lower ball joint and installed the 500# hyperco's, they seem to be holding the ride height although I have not done any real spirited driving yet. I truly wish that I went with a 9 or 9.5 rim, these forgeline's have not been with out a lot of issues, my wheels have been back there twice for major leak down issues. I thought if I just reduced the outer hoop to 2.5 making the rim a 9.5 it would help but it wont. The tire will not really move in much according to scott. I need to leave the center where it is and move the whole wheel in a 1/2 inch.
Todds recommendation is good to get rid of the spacer but it doesnt move the tire inward. Im certainly not worried about a performance loss this thing will out perform me any day of the week, the recommendation I took on this wheel size is just wrong especially with the brake package. Live and learn, Im just not sure if I want to cut my losses with forgeline or buy new wheels, probably still cheaper to have all new hoops made. A smaller caliper moves the wheel in a 1/4 inch, might have to get that grinder out.
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  #312  
Old 07-19-2011, 09:02 PM
67ragtp 67ragtp is offline
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Nice car, great setup. Congrats.
Thankyou Stuart. Your car, Scott's car and Charlie's jackass were a huge inspiration to me before and during the build of the car.
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  #313  
Old 07-19-2011, 09:28 PM
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Vegas69 Vegas69 is offline
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If you increase the hat thickness to clear the caliper you can move the hoop/tire where it needs to be.
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  #314  
Old 07-19-2011, 09:49 PM
67ragtp 67ragtp is offline
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If you increase the hat thickness to clear the caliper you can move the hoop/tire where it needs to be.
I totally agree, I just have to come to terms with purchasing all new hoops.

I might just have new centers made with the additional .250 built on to the back side of the wheel mounting pad then adjust the hoops accordingly

Im running a 14.25" rotor, I wonder if a 14 inch smaller diameter rotor would move the caliper down a bit and maybe clear.
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  #315  
Old 07-19-2011, 09:54 PM
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Rich, I made the mistake of letting Scott shave a little off the hat to give me a little more wheel lip. I ended up having nut to caliper clearance issues with 14" rotors and didn't want the 1/4 spacer for obvious reason so I went to a 13" rotor as it was the cheaper alternative. If I ever replace the wheels, I'll likely put the 14" rotors back on since they don't have many miles on them and my 13's are getting used...
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  #316  
Old 08-03-2011, 02:45 PM
ModernMuseum ModernMuseum is offline
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Originally Posted by 67ragtp View Post
Its function is to house the Mass Air flow sensor. If you look towards the background of the pic you will see the MAF sensor protruding out. It is approx. 4 inches in length, many are made in Alluminum, mine is manufactured by PowerMAF made of some kind of plastic. It does extend the overall length of the intake system by 4 inches. The slot style Ls7 MAF sensor does include Intake air temp sensor as well, funny thing is I spent time trying to locate the sensor in the correct spot to avoid air turbulence problems and we ended up tuning the engine in a speed density mode which doesn't even use the darn MAF.
Hope this helps.
Man, I searched all over the internet last night for PowerMAF and couldn't find anything. Turns out it is spelled PowrMAF

http://www.powrmax.com/PowrMAF%20100.html

I think I'm just going to weld a MAF bung to a 4" piece of aluminum pipe and save some cash though.
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  #317  
Old 08-03-2011, 03:10 PM
Gandalf Gandalf is offline
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Spectre sells a 4" aluminum tube (about 6" long) with the bung welded on for a blade-style. It's about $30. I'd give you a direct link but their web site is absolutely lame. Go here: http://www.spectreperformance.com. Look in their catalog under "Modular Air Intakes", "Mass Air Flow Sensor Solutions" and "4" Polished Aluminum MAF tube".

Gregg
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  #318  
Old 08-03-2011, 03:52 PM
67ragtp 67ragtp is offline
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Originally Posted by ModernMuseum View Post
Man, I searched all over the internet last night for PowerMAF and couldn't find anything. Turns out it is spelled PowrMAF

http://www.powrmax.com/PowrMAF%20100.html

I think I'm just going to weld a MAF bung to a 4" piece of aluminum pipe and save some cash though.
Sorry about the mis- spelling, Im a gramatic(not sure if thats a word) nightmare. GM performance parts sells a 4 inch MAF aluminum housing also.
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  #319  
Old 08-05-2011, 04:51 PM
67ragtp 67ragtp is offline
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Made a bit of progress sorting this car out. Had to re-shim the hydraulic throw out bearing since it was barely disengaging and grabing right off the floor. Had to pull the trans to do it, no fun there. So while the exhaust was out, I got rid of the big rubber bands that magnaflow delivers to hang the mufflers. Replaced them with some nice stainlessworks hangers and those blue isolator thingy's. Amazing how much more secure the system is now. The clutch grabs closer to the middle of the pedal travel too, feels much nicer. Also installed a front spoiler, finishes off the nose. Heres a few car porn pics.

Rich






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  #320  
Old 08-05-2011, 06:32 PM
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Wow! Nice job Rich. How do you like the Magnaflows?
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