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Mr. Chem

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Posts posted by Mr. Chem

  1. Most filters are basically the same.

    Different materials have different properties however.

    Paper has the best filtering properties but needs regular replacement as it becomes clogged and flow becomes reduced overtime.

    Cotton (such as k&n or green) is the next best, normally these have oil to improve their efficiency

    Foam (hks or piper cross) is next, again oiled.

    Metal gauze has the highest flow, but also the worst at filtering

    At the end of the day your intake length and routing will have a greater effect than the make of air filter you fit.

    If you are running a standard efi pipe, the stock air box and paper element filter will be sufficient. I.e a cone filter makes bugger all difference

    If you are using a front mount the stock air box no longer is an option due to space, hence why you see people using a cone filter.

    If you have ripped out the air con you can relocate the filter in front of the radiator which improves response and top end, but increases the likelihood of boost creep.

    I have just done the latter having blown my air con pipe work to pieces, and it makes a huge difference. The stock efi pipe is very good at keeping the boost creep minimal.

    If you are set on an air filter, you can buy relocation kits, make your own with some silicon joiners and pipe work or just measure your inlet diameter.

    Hope this helps

  2. I'm still around, and I've completed some more stuff on the car now so I'm ready for an update.



    Mostly last year I was bombing around in the car, extremely happy with the direction it was going in and how it drove.



    Then some scrubbing from the rear of the car starting happening, and the exhaust was banging on the rear axle. It was clear the car had lost ride height, and this had obviously swung the axle over hence the scrubbing. It turned out to be 2 knackered standard starlet shocks, which I quickly replaced with some KYB gas jobs which have been brilliant.



    Then it was time to install the parts that had been sitting in my study for a while - the WEPR manifold and the Gizzmo EBC.



    It took me a total of 2 days to finish the install to a satisfactory level. I couldn't get to one of the nuts holding the turbo to the mainfold, so I removed the power-steering pump to remove the manifold with tubby still attached.



    Whilst taking this all off it gave me opportunity to check the turbo for play and it was still sweet as. Standard CT9b too.


    So in went the new manifold


    B26FF051-91DB-4454-A0EB-8D4EA3B625D3_zps



    This meant I could up the boost to 1bar safe in the knowledge that the 3rd runner restriction wasn't going to result in a melted piston. The gizzmo was then used to up the boost. I set the actuator so that it sat closed (Around 0.6bar) and used the EBC to up it to a bar.



    This turned into a very irritating day. I'd had a lot of the intercooler pipework out to make room for moving things, and somehow when reinstalling all the gubbins the angle the hot pipe was at wasn't quite right, and this put the corner under a lot of pressure and kept blowing the joiners off. This was extremely annoying as it meant I was taking the bumper on/off.



    Eventually I got the angle right, and could experience full throttle at 1bar for the first time.



    Holy Crap! The roads where I live are very uneven, so the starlet scrabbles and launches its self over imperfections. It seemed so much faster than it did before.


    Even the girlfriend was impressed (and she is not a fan of starlets lol).



    So that was it as far as I was concerned. Did a few amateurish photos.


    DSCF0018_zps73bfe3bb.jpg


    DSCF0182_zps3c5f4c75.jpg


    DSCF0190_zps4033f372.jpg



    Glanza's get you all the pussy...


    DSCF0217_zps1027b58e.jpg



    I was happy with the car for a while, but I started to notice this flat spot in the middle of the rev range. It was like I had no torque, and then it would all come at once.


    I thought it was a misfire, so preceded to replace the whole ignition system, one component at a time. Sparks - worn but ok, Dizzie and rotor arm - very worn. New coil, changed NGK blues for some magnecores. Each time I looked at something, it looked spent so it was replaced.



    This went on, even to the point of replumbing some of the vacuum lines in a bit to rule out stuff, but even when I found issues, they still didn't resolve my "misfire".



    It dawned on me it was probably the JAM - I was asking too much boost and as it I don't know what it was mapped for, couldn't supply the right amount of fuel. I decided to go down the Emanage route - sold the JAM to a mate, and booked a visit to Tuning Developments.



    It was a great day - easy install and mapping session - Mike had originally said they had needed to the car to about 4, but they were done by 1:30pm. Absolutely no issues with the car for them to resolve - hence the easy time of it.


    47C648B2-9352-41E3-BFD8-358D3170B60A_zps


    Now my setup is slightly compromised again by my unwilling to remove the aircon, and hence I still use the stock EFI which is proving to be slightly restrictive at high revs.



    Despite this, my car made an extremely healthy 186.1bhp and 200 lbft at the fly. Mike commented on how healthy overall the car seemed, and how "tight" it had felt on the test drive. All of which made me feel very pleased with my little starlet.


    9B0C60AB-4F8E-4569-81A8-6F9231972D96_zps



    I left TD extremely happy - the map has made the car feel extremely smooth and very torquey. It has oodles of power in the mid range it was missing before, which means it gains speed so much faster than it used to. Its taking so getting some getting used to, and a fair amount of accidental tailgating.



    At the moment the V is in winter mode on some scruffy alloys with rubbish tyres until I get some new rubber for my summer wheels.



    The engine is about as far as I can go on a ct9 now, so next up will be some further chassis and aesthetic improvements - first up will be better brake pads!



    Thanks for reading.






  3. Hi all,

    I'm having some issues with my glanza. I've been finding that around 3500-4000 revs it hesitates at full throttle and boost. If I back up to 0.5bar it starts pulling again.

    Low revs and high revs are fine.

    The car is running 1bar on a ct9 on a jam ECU.

    I've only noticed it doing this when I upped boost from 0.8 to 1 bar.

    So far I've changed plugs, dizzie cap and rotor arm. The leads are Ngk blues about a year old and still at a good resistance level.

    I have looked at the coil, cleaned up the base plate and fitted another earth to it.

    No fault codes stored.

    I've tried unplugging the lambda sensor

    I don't know if it's related, as it's always done this, but after a hot start the engine revs very low for a few minutes.

    Thanks

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