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Thread: My experience with Hidden Performance Ltd. (HP2 Ltd.)

  1. #61
    What search button? Club Member ben_harmer32's Avatar
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    Update received on Saturday afternoon, the mechanic who usually works on my car was out so Mike2JZ took it upon himself to perform the compression test I had requested.

    The car was taken out for a quick drive to get it warmed up. It was given a 14v supply via a battery charger. EFI fuses were removed and the compression test performed.

    All cylinders were reporting between 170-175psi with a 3% variation between cylinders. Spark plugs also looked like they are burning correctly. So, the engine is healthy.

    He informed me that on Monday or Tuesday they have another 100 mile trip lined up for the final road test before checking for the final time for any leaks etc.

    A report is being compiled with regards to checklist setout by the independent inspection. This will be sent over next week. If all goes well, then they should be in in a position to get the car back soon.

    The compression test results are a huge weight of my mind.

    The update I received from Mike2JZ was very comprehensive and contained pictures (attached below) which I very much appreciated. If all updates had been like this since all this started I can’t help but wonder if this whole experience could have been a whole lot different. He is a much needed asset to the company.
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    Last edited by ben_harmer32; 04-11-18 at 15:26.
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  2. #62
    SRD Project Auto Club Member Chris Bailey's Avatar
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    We’ve all said Mike is a great guy, he’s very knowledgeable in what he does.
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  3. #63
    Me? Post? Never! Club Member Annabella's Avatar
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    Good, hope its coming to a positive conclusion.

  4. #64
    Me? Post? Never! Club Member chazuk's Avatar
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    Glad you got it sorted, although the time it has taken is a crazy and seems to be a test drive for every job carried out which would worry me they are not confident in what they are doing all the jobs should be sorted and one test drive at the end not 3-4 I hope you checked they have proper insurance to be driving your car around this much and not 3rd party only.
    Chaz

  5. #65
    I'm addicted now! Club Member Hemanhead's Avatar
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    This whole thread has made for some pretty awful reading, I commend your ability to handle this as calmly as you have. I hope this does get sorted and you can enjoy your car and put all this behind you.
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  6. #66
    VVTI finally! Club Member JasonR24's Avatar
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    Quote Originally Posted by Chris Bailey View Post
    We’ve all said Mike is a great guy, he’s very knowledgeable in what he does.
    This. Mike is brilliant

  7. #67
    What search button? Club Member ben_harmer32's Avatar
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    Update received this afternoon.

    After 300 miles of test drives no oil leaks can be seen underneath (video walkaround of the underside of the engine was sent with this).

    It was also confirmed oil level is good now that cams aren't leaking (picture received).

    They are just compiling notes regarding the checklist from the independent inspection and will have it sent through soon.

    It was confirmed they are planning to drop car back to the garage that performed the inspection on Friday. They will be setting off early so the car should be back there around 10-11am.

    I will update once I receive the notes later today.
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  8. #68
    What search button? Club Member ben_harmer32's Avatar
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    Attached below are the responses recieved from Hidden Performance regarding the results from the independent inspection.
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  9. #69
    Me? Post? Never! Club Member Style's Avatar
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    While this sounds like a nightmare of the absolute worst order, I think it might be fair to say that 75% of the issues identified on that list don't appear to have had anything to do with Hidden in the first place. I'm in no way making excuses for them but I'd gotten the impression that they'd caused all of these issues that they've now sorted for you in the first place.

    It does sound like there's light at the end of the tunnel now, hopefully you'll have it back and 100% driveable
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  10. #70
    Work... what work? Club Member
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    Quote Originally Posted by Style View Post
    While this sounds like a nightmare of the absolute worst order, I think it might be fair to say that 75% of the issues identified on that list don't appear to have had anything to do with Hidden in the first place. I'm in no way making excuses for them but I'd gotten the impression that they'd caused all of these issues that they've now sorted for you in the first place.

    It does sound like there's light at the end of the tunnel now, hopefully you'll have it back and 100% driveable
    but they built the car :/ so how are the issues not theres ! kinda makes no sense really does it.

  11. #71
    Posting is my life! Club Member Sheefa's Avatar
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    Mike is a top lad, glad he’s involved in sorting it now.
    Greg

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  12. #72
    Me? Post? Never! Club Member Style's Avatar
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    Quote Originally Posted by martincoupe View Post
    but they built the car :/ so how are the issues not theres ! kinda makes no sense really does it.
    Nissan built the car. Hidden were asked to carry out some work on the car and whilst they appear to have cocked up on a lot of things, there's a lot on that inspection list that was wrong with the car prior to it arriving there or on the parts supplied. I count over half that list actually. Unless I'm reading things wrong?

    That's all I'm trying to point out
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  13. #73
    What search button? Club Member ben_harmer32's Avatar
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    Quick update.

    Car was dropped back on Friday 9th November by Hidden to the garage that performed the first independent inspection. They are a very well known and trusted Skyline specialist.

    They managed to get the car in today for a quick check over and will be working on it again tomorrow for the full inspection.

    Items identified today:

    1. Oil is overfilled. Hard to tell exactly how much, roughly 0.5 - 0.7 litres

    2. Coolant level in radiator low and almost nothing in overflow bottle.

    3. Slight sound when warm from cylinder head/camshaft area but they don't feel it is anything to worry about at all. It is not easy to hear, have to catch the throttle just right.

    4. Car no longer has an exhaust blow.

    I have to say even this quick check has left me feeling slightly disheartened and a little worried. I hope and pray nothing else is identified on the full inspection tomorrow.

    I will update when I get the results.
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  14. #74
    What search button? Club Member ben_harmer32's Avatar
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    1. Bonnet stay not secured, missing clip or rubber bush

    HP Response: We believe this was missing from car when delivered to us. Can not find it in garage

    Independent Inspection: no changes listed by HP

    2. Battery tray missing, battery too big and not secured in

    HP Response: Big battery was not fitted by us. Battery tray was missing from car when delivered to us.

    Independent Inspection: no changes listed by HP

    3. AFM plug tab broken

    HP Response: 20-year-old plug, recommend replacement found to solve

    Independent Inspection: no changes listed by HP

    4. Plug broken off from A/C sensor

    HP Response: 20-year-old plug tab, recommend replacement found to solve

    Independent Inspection: no changes listed by HP

    5. Brake fluid cap broken not sealing on tank

    HP Response: Replacement fluid cap was in stock, so replaced with good unit.

    Independent Inspection: no changes listed by HP

    6. Fan blades trimmed to allow them to miss intake pipework

    HP Response: Fan blades were already cut from previous owner. eBay intercooler pipework was already on car when it was delivered from Spain

    Independent Inspection: no changes listed by HP

    7. Lots of red sealant used on cam covers Cam cover
    HP Response: Gaskets replacements were not sourced originally, so sealant used to help old gaskets to seal. Now new gaskets were sourced and installed. No excess sealant found in head, and excess sealant found on outside of covers were cleaned.

    Independent Inspection: All looks to be good now.

    8. Engine oil level low approx 1/3 below max.

    HP Response: Engine does not seem to be burning any abnormal amounts of oil, however cam seals had a decent size leak. Oil was topped up and since sorting out cam seals and 300 mile drive, the oil level seems to be stable now.

    Independent Inspection: Too much oil in the engine now.

    9. A 70amp fuse has been used to replace an 80amp fuse and has been mounted up on fly lead.

    HP Response: This “modification” performed by previous owner/garage. Correct fuse has been sourced and installed.

    Independent Inspection: Is now correct.

    10. Upper intake pipe has a very sharp badly trimmed mounting bracket

    HP Response: Like 6., this mounting bracket was installed/fabricated previously not by us

    Independent Inspection: no changes.

    11. The modified RB26 (Stagea) sump that has been fitted has a massive amount of silicone sealer used, and looks to be leaking towards rear of engine.

    HP Response: Engine was secured using top mounting support bar. Front subframe dropped, sump removed. No excess sealant found in oil pickup etc. Sump was resealed using High Temp Copper Loctite 5990, using 3mm application tip. Road testing shows no leaks towards front or rear of sump.

    Independent Inspection: All looks to be good.

    12. Tie bar bushes are shot

    HP Response: Bushes are same as when car first delivered to us. Probably original 20-year-old bushes. Recommend replacements found

    Independent Inspection: no changes.

    13. Bolts missing from transmission oil pump (sump?)

    HP Response: We believe this is a typo. pump instead of sump. Pump is internal to gearbox and has not been touched. However, we did find 3 missing bolts for transmission sump, which now have bolts installed.

    Independent Inspection: All looks ok now.

    14. Electric cooling fan is cracked

    HP Response: Cooling performance does not seem affected.

    Independent Inspection: no changes.

    15. Intake elbow next to intercooler is rubbing on front bumper

    HP Response: Intake pipework couplers in this area were loosened to see if we can get anymore clearance by getting the pipework to sit tighter together, but no success with this. Bodyshop has cut an insert into the bumper to allow pipework to have some room. Given the car was just painted we didn’t want to cut into the bumper to allow for more room. It’s close but does not seem to be causing any issues.

    Independent Inspection: no changes.

    16. Slight oil leak from front main seal

    HP Response: Front crank seal was not leaking. However, camshaft seals above were leaking and leaking down onto the front area/sump. Just to be safe, front crank and both camshaft seals were changed. 300 miles later and seems to be dry now.

    Independent Inspection: Oil leak is fixed but lower radiator mounts now missing.

    17. Various bolts missing from front panel area, lock support.

    HP Response: Hard to confirm which bolts they meant with this without further detail. Have gone round engine bay area putting in any bolts that seem to be missing, but not many added.

    Independent Inspection: Lower bonnet lock bracket bolt still loose, trans cooler bracket bolt missing/broken

    18. Front drop links have play in them.

    HP Response: See 12.

    Independent Inspection: no changes.

    19. Rear hicas steering arms both have play

    HP Response: See 12.

    Independent Inspection: no changes.

    20. Downpipe to turbo gasket exhaust leak & Downpipe to decat pipe exhaust leak

    HP Response: New downpipe and gaskets installed to solve this. We also tried to fit the new exhaust you had in the back, but pipework is incorrect, and fitting could not be completed.

    Independent Inspection: All looks to be good now.

    21. Timing belt sounds tight

    HP Response: Timing belt was indeed too tight. New cambelt, cambelt tensioner and idler pulley were installed, this time making sure cambelt was not too tight. Whining noise & knocking noise has since disappeared.

    Independent Inspection: All seems good.

    22. Camshaft intake side sounds noisy but possibly due to the tight timing belt, belt will get tighter the hotter the engine gets

    HP Response: With new cambelt in, we have not noted any weird noises from intake side. To be sure whilst rockergaskets were being changed we checked valve clearances, which were in spec.

    Independent Inspection: All seems good.

    23. Front tyres barely legal

    HP Response: Tyres are what was supplied with your new wheels. Upon your last collection of car, we verbally recommended that you get some decent rubber on it, especially with winter coming.

    Independent Inspection: no changes.

    HP Response: Additional Notes
    • EVAP system had been modified & removed previously, hence why we were not able to reconnect it
    • Replacement radiator fitted, coolant bled. No issues with overheating. Cabin getting hot air with heaters.
    • Factory boost gauge on dash is sometimes intermittent. Seems common issue solved by addressing dry solder on board.
    • Suspension ride is decent, but a bit bouncy with it being so high. Recommend that you get suspension lowered and adjusted as advised on previous visit.,
    • Noted that it takes about 5-10 minutes of soft off boost driving to get oil temperature above 70 degrees in the cold weather. Recommend you don’t start boosting the car hard until you can see the oil temp gauge above 75 degrees and water temp gauge sitting in middle. Do not exceed 120 degrees oil temp with current oil in the engine.


    Independent Inspection: Additional Notes section.
    • EVAP system has been removed but part on the system was still plugged in and also had a hose broken off, could have been over looked by us the 1st time round. It’s now been removed and sealed up and unplugged as leaving it open causes excess air to be drawn into the vac system
    • See 16 regarding the radiator.
    • Number plate bulbs not working
    • 3rd break light not working
    • Factory boost gauge not working
    • chip on the N.S lower bumper was not present before after confirming with owner


    Car drove home from garage last night with no issues or noises. However, I find myself listening for everything out of the ordinary which kind of ruins the experience for me. I’m hoping over the next few weeks I will start to trust it more and enjoy. I am still in two minds about keeping it or not.

    Time will tell!
    Last edited by ben_harmer32; 16-11-18 at 09:20.
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  15. #75
    Me? Post? Never! Club Member chazuk's Avatar
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    Glad you got it back , is the independent saying there was radiator brackets before on previous inspection and now they are missing ? What is holding the radiator in place now ? Also depending how overfilled the oil is if its allot drain some out.
    Chaz

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