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    braking capacity

    Pat, The Baer/Alcon 4 piston calipers have staggered sized pistons. 1.50" and 1.625" if I remember correctly, supposedly to help reduce pad taper between the leading and trailing pad edges. Here's a couple of older picts of the calipers/rotors.
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    7000rpm /480hp

    You might inquire about the use of Gene Berg's larger IDA flanged carbs. They make them in 48,50, 52, 54, 56, and 58mm sizes. I've never used these particular pieces, but have used many, many other Berg parts throughout the years. Not inexpensive, but the best quality stuff you'll find. I've...
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    braking capacity

    Jim, Ben O'Conner at Bear was most helpful in getting a set of brackets to mount the Alcon calipers and 13" rotors to fit my uprights and wheels. My Alcons are 4 piston on the fronts and will easily but controllably lock the 245 width tires at 100 mph. Pad squeel at low speed is the biggest...
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    What Kind of GT40 Have You Got?

    Jim, I'm out there waving the flag. I've put over 2700 miles on mine since the last week of October. Rain and snow days knock the average down a bit. A normal ride is 100 - 200 miles.
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    Stainless bellhousing bolts vs grade 5 bolts

    A visit to ARP's website is most informative. See for example http://www.arp-bolts.com/pages/tech/matspec.html and http://www.arp-bolts.com/media/pdf_files/BF_60-64.pdf ARP stainless fasteners are a quality product and are certainly not cheap to buy. ARP rates their tensile strength...
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    Stainless bellhousing bolts vs grade 5 bolts

    Hey Lloyd, I used ARP 12 point stainless for the bell housing to the engine. The bolts from the ZF to the bell housing are metric socket head cap screws supplied by ERA. I powder coated mine so they matched the rest of the non stainless bolts on the engine/transaxle. Dave
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    Exhaust System Ceramic Coating

    I will be getting my system coated in the next few months. I had hoped that this thread would have generated more discussion because there are a lot more players than the two discussed. I had a system coated with Jet Hot some years ago. As with all the vendors, it looked nice when new but...
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    braking capacity

    Jim IMHO, you want as much brake as you can fit. It's better to have too much braking power so you can regulate it than to not have enough. I fit 13" Baer rotors and 4 piston Alcon calipers in 16" wheels on the front, and 12" Baer rotors and standard Corvette PBR single piston calipers in 17"...
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    Primary pipe length formula

    I purchased all the bends, tubing, collectors, etc for my system from Burns. Vince at Burns input all the data from my engine into their software to arrive at tubing sizes. The engine runs to 6K rpm. Calculated values for my 351C with 2V heads. Primary diameter was 1-3/4". Secondary...
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    In The Market For Hydraulic Roller Valve Springs

    Lynn, Cutting the valve guide bosses on the Cleveland heads was no problem when the machine shop did the valve job. I'm using Crane springs (dual springs with a damper)with Crane teflon seals and a Crane hydraulic roller cam. They also machined the spring seats so the ID and OD of the spring...
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    17" BRM Pattern pin drive wheels???

    Re: 17\" BRM Pattern pin drive wheels??? I'm also running Jongbloeds. 16x9.5" fronts, 17x12" rears. 2500 street miles, no problems. There is a bit of tire sidewall to absorb impacts. Big hits may bend the spun aluminum rims, but they are pretty robust. Mine use an aluminum center casting...
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    Best One Yet

    The wife and I were out for a ride (last one of the season?) in the GT a few weeks ago. It was maybe high 30's, low 40 degree F range. We went through a small town that has a single traffic signal. On the way out of town, speed limit about 40 mph, houses on both sides of the road, we notice a...
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    low torque and high torque motors

    Kevin, Yes, I'm running Gulf flairs. 245/16 tires on the front. 335/17 on the rears. I'd have to measure the bars. They are ERA's standard size. I like the aluminum flywheel. Other than allowing the engine to rev/decel a little faster, you wouldn't know it was aluminum. Very good street...
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    low torque and high torque motors

    Re: low torque and high toque motors 351C 2V heads with roller cam, EFI, and aluminum flywheel. 415HP, 410 lb-ft (385lb-ft @ 3500rpm) ZF-2 transaxle Stock stroke, .020 overbore. The engine is in a mild state of tune and should handle those power levels with ease. As I noted in another post...
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    XtremeClassics Headers advance look

    Mark, Very nice work on the headers! One thing I notice is your throttle cable coming in from the left side of the engine over the exhaust system. I did my car the same way except using TWM throttle bodies. I can pass on a few things I've encountered. My exhaust system is also 304...
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    Alternator Grounding

    I was about 60 miles from home on Sunday when the alternator light came on. The ammeter showed a 30 amp discharge. The light went off and came on several times, then stayed on. I shut off all the electrical drains I could. Still a 15 amp discharge. The EFI didn't like it too well, but the...
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    Pin-drive adapter nuts and sockets

    I have RH knockoff nuts on the left side of the car an LH nuts on the right hand side. They should tighten based on wheel rotation. My experience is that it didn't matter how hard you hit them with a hammer, one or two would be loose within 10 miles. I now safety wire mine. Cheap insurance...
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    Is it REAL?

    The people I've met so far seem to fall into two catagories. Those that know exactly what a GT40 is, and those that don't have a clue. Of those that do know what it is, only a few ask if it is original. I guess what set this guy apart was that he knew what it was, but seemed to be totally...
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    Is it REAL?

    I've had the GT on the road less than 1 month. In that time, I've put almost 1800 miles on it. It is almost (but not quite) as fun watching people's reaction to the car when they see it, as it is driving it. Driving it is a real blast. The wife and I stopped at the local Pizza place on the...
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    Canards and other options

    Knighton, As a new GT owner/driver, I can comment on my experiences so far. Traction control/launch control- I'm running a 351 CI engine with 400+ flywheel HP and torque, aluminum flywheel. 335/35/17 rear tires. No traction or launch contols at all. I have yet for the car to spin it tires...
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