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SVT Shelby GT500
JBA ceramic shorty vs FRPP thread
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<blockquote data-quote="KingCobra07" data-source="post: 16357972" data-attributes="member: 138178"><p>Wow. So the driver side was a bit more than i could have imagined....aside from the problematic flange being incorrectly machined for the lower bolt holes, the upper machined out portion was even worse. So here's the multi day install...</p><p></p><p>Started out same as passenger side, lifting the motor and pulling the solid mount, also pulling the steering shaft and setting it out of the way</p><p></p><p>The instructions on this side that came with the headers said you must install the lower, rear most bolt first, followed by the top bolts. The first problem i ran into was the bolt fitting on the hole.</p><p>[ATTACH=full]1621014[/ATTACH] </p><p>So, knowing the holes were going to be off anyways, i upped the size another 3/16s of an inch. First to 3/8, then to 13/32nds. Bolt still didn't quite want to slip in, so...</p><p>[ATTACH=full]1621015[/ATTACH] </p><p>So, bolt in, got it threaded into the head. This is after i figured out the header wont slip into place without loosening the coolant hard line that runs along above the oil cooler. Undid the oil cooler bolt, bolt above alternator, and loosened the bolt on the back of the head to be able to slip the thing up in there. So, bolt in....</p><p>[ATTACH=full]1621016[/ATTACH] </p><p>then did as the instructions said and went top side to put the bolts in. Cylinder 5 bolt went right in, cylinder 6, probably off 3mm. Not even close to the threads, almost cross threaded the thing trying to start it. So, manifold comes back out. I decided to try it as the instructions on the passanger side said, to install all the upper bolts first, slide the manifold on, and start doing the bolts on the under side. So, slipped the manifold back in, and no dice. After trying to get that bottom bolt in i gave up. Threads were far off again. Decided to run to the store to pick up some 1/4 round inch stones for my die grinder, and proceeded to take down all 4 of the angled channels on the header. Opened them up 1/16, tried it with the bottom bolt first, then again ran into problems when trying to thread in cylinder 6, while cylinder 7 and 8 looked like they were going to be near impossible to get my hand to. Header out, grind more, but this time grind the hell out of it, so the flange still will hold the bolt flange, but its close. Decided to put the top 4 in, only about 3 or 4 turns into the threads. So far so good. Slipped it up and managed to be able to hold the header off the head far enough to make the back bolt thread in. The next 3 lower bolts were a breeze and i put my ratcheting 11mm wrench to good work. Sorry for the lack of pictures, but i was about ready to purposly light the car on fire. </p><p></p><p>I put the steering shaft back in ppace along with the engine mount and set it back on the perch with the spacer. I was a little worried about the cast mount but on this side it has a slight bit of clearance.</p><p>[ATTACH=full]1621017[/ATTACH] </p><p></p><p>The only issue with touching is on the AC line that runs on that side. It seems ill most likely have to zip tie it to the brake lines to try and hold it up high enough</p><p>[ATTACH=full]1621018[/ATTACH] </p><p>So, with the installation complete i put the O2 sensor in and decided to put all the locking hardware in at a later date. Still waiting for some of the small size retainers and collector bolts to arrive in the mail.</p><p>[ATTACH=full]1621019[/ATTACH] </p><p></p><p>So, aside from the major headache of this install, i suppose the outcome was better than my ford racing headers. If you can get a set of these with the correct flange holes, these would be great. </p><p></p><p>I put in a call to JBA this morning and sent them some photos of the measurements showing how far off the holes were. Going to see how good their customer service is, but i don't have very high hopes at the moment. Maybe i can get a set with proper holes and swap them out., or at least get some money back for this headache. </p><p></p><p>Either way, on to the fun part...turbo install....</p></blockquote><p></p>
[QUOTE="KingCobra07, post: 16357972, member: 138178"] Wow. So the driver side was a bit more than i could have imagined....aside from the problematic flange being incorrectly machined for the lower bolt holes, the upper machined out portion was even worse. So here's the multi day install... Started out same as passenger side, lifting the motor and pulling the solid mount, also pulling the steering shaft and setting it out of the way The instructions on this side that came with the headers said you must install the lower, rear most bolt first, followed by the top bolts. The first problem i ran into was the bolt fitting on the hole. [ATTACH=full]1621014[/ATTACH] So, knowing the holes were going to be off anyways, i upped the size another 3/16s of an inch. First to 3/8, then to 13/32nds. Bolt still didn't quite want to slip in, so... [ATTACH=full]1621015[/ATTACH] So, bolt in, got it threaded into the head. This is after i figured out the header wont slip into place without loosening the coolant hard line that runs along above the oil cooler. Undid the oil cooler bolt, bolt above alternator, and loosened the bolt on the back of the head to be able to slip the thing up in there. So, bolt in.... [ATTACH=full]1621016[/ATTACH] then did as the instructions said and went top side to put the bolts in. Cylinder 5 bolt went right in, cylinder 6, probably off 3mm. Not even close to the threads, almost cross threaded the thing trying to start it. So, manifold comes back out. I decided to try it as the instructions on the passanger side said, to install all the upper bolts first, slide the manifold on, and start doing the bolts on the under side. So, slipped the manifold back in, and no dice. After trying to get that bottom bolt in i gave up. Threads were far off again. Decided to run to the store to pick up some 1/4 round inch stones for my die grinder, and proceeded to take down all 4 of the angled channels on the header. Opened them up 1/16, tried it with the bottom bolt first, then again ran into problems when trying to thread in cylinder 6, while cylinder 7 and 8 looked like they were going to be near impossible to get my hand to. Header out, grind more, but this time grind the hell out of it, so the flange still will hold the bolt flange, but its close. Decided to put the top 4 in, only about 3 or 4 turns into the threads. So far so good. Slipped it up and managed to be able to hold the header off the head far enough to make the back bolt thread in. The next 3 lower bolts were a breeze and i put my ratcheting 11mm wrench to good work. Sorry for the lack of pictures, but i was about ready to purposly light the car on fire. I put the steering shaft back in ppace along with the engine mount and set it back on the perch with the spacer. I was a little worried about the cast mount but on this side it has a slight bit of clearance. [ATTACH=full]1621017[/ATTACH] The only issue with touching is on the AC line that runs on that side. It seems ill most likely have to zip tie it to the brake lines to try and hold it up high enough [ATTACH=full]1621018[/ATTACH] So, with the installation complete i put the O2 sensor in and decided to put all the locking hardware in at a later date. Still waiting for some of the small size retainers and collector bolts to arrive in the mail. [ATTACH=full]1621019[/ATTACH] So, aside from the major headache of this install, i suppose the outcome was better than my ford racing headers. If you can get a set of these with the correct flange holes, these would be great. I put in a call to JBA this morning and sent them some photos of the measurements showing how far off the holes were. Going to see how good their customer service is, but i don't have very high hopes at the moment. Maybe i can get a set with proper holes and swap them out., or at least get some money back for this headache. Either way, on to the fun part...turbo install.... [/QUOTE]
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