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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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04-02-2020, 06:13 PM | #29 |
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Sorry to hijack, but I have a follow up question on the Ace header:
Has anyone found a better solution for the 3 bolts holding the 4-2 manifold to overpipe flange together? I've probably lost a half dozen of those nuts/bolts in under a year and no matter what I do, they seem to come undone under track conditions. Grabbed an image from the install instructions for reference: |
04-02-2020, 06:25 PM | #30 | |
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Probably not the right thread, just an example. Often called a top lock or crimp lock. https://www.mcmaster.com/93795a230
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04-02-2020, 06:39 PM | #31 |
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Yeah mine became corroded get some stainless ones
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04-03-2020, 03:12 AM | #32 |
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I don't know if this helps you but as I bought a new set of ACE nuts/bolts the nuts are different from the past, probably copper alloy, as they are bronze colored.
May be a set of new nuts and use of washers or are the bolts that come loose and not the nuts in your case? https://dqzrr9k4bjpzk.cloudfront.net...1031667481.jpg |
04-03-2020, 09:23 AM | #33 | |
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04-03-2020, 11:12 AM | #34 |
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Just wanted to chime in with issues as well. Lots of buzzing on stock engine mounts and even worse on Perrin engine mounts. Lost several bolts due to heat cycling. Flanges have warped and had to resurface flat. The flanges at the head locations don't match up to the studs and required blunt force to fit. Overall, these things aren't even worth half of what I paid for them and are a huge pain in the ass.
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04-03-2020, 11:25 AM | #35 |
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@mistople you can also try a longer bolt and double nutting. Might be easier to find the hardware to do that.
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04-03-2020, 11:43 AM | #36 | |
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I had buzzing at first before i hammered out the skid plate. some people need to do it in 2 spots, 1 spot is less obvious then the other. Also are people undoing every bolt down to at least the FP to cat back, and then installing/torquing down all the bolts starting at the block and working your way back to the catback? this should keep everything cinched up and pulled into the engine, if you torque bolts starting at the other end it will be pulling away from the engine, potentially adding different stresses, or misalignmenst, could be the cause of bolts backing out and or buzzing/noises, welds cracking etc... |
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04-03-2020, 12:18 PM | #37 | |
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04-03-2020, 12:27 PM | #38 |
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I've only heard a handful of complaints Whats this everyone?
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The Following User Says Thank You to NoHaveMSG For This Useful Post: | why? (04-03-2020) |
04-03-2020, 01:12 PM | #39 | |
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as far as fitment goes, the only "fitment" issue is with contact with the skid plate, and that is not a flaw in the product, but a limitation to the possible designs, meaning in order to have the optimal design it is a necessary evil, and a very minor, free to fix issue. Otherwise the vast majority of people have had no issues or complaints. also my ace 250 header was 1350$ brand new shipped from a vendor (no discount/sale price), and 350 type As are about 1700$, back when more vendors stocked them you could get them for 1500$ when they had their annual sales. So not really close to 2000$ |
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04-03-2020, 02:17 PM | #40 | |
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I adjusted the skid plate, needs some more hammering probably as my A350 are second hand, but the subframe issue IS ridiculous at least for me it adds ~250-300$ above the already expensive headers! |
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The Following User Says Thank You to JIM THEO For This Useful Post: | B T (04-03-2020) |
04-03-2020, 02:37 PM | #41 | |
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What is funny is they sell motor mounts, and quoted in the motor mount section. Hardrace 7440 motor mounts are recommended for anyone using the Type A or Type B 250 or 350 on their FRS/BRZ/GT86
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The Following User Says Thank You to NoHaveMSG For This Useful Post: | why? (04-03-2020) |
04-03-2020, 02:48 PM | #42 | |
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just realized you are in Greece, are you guys RHD or LFD? if you are RHD then it is known and state that the 350 has fitment issues. "GT86/FRS/BRZ 4-2-1 MERGE HEADER, 350 COLLECTOR, LHD" I hope the RHD people aren't the ones buying the 350 and complaining about fitment. |
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