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  1. Thread: Emissions

    by hooky
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    234

    The 'HC' is the Hydrocarbon count, which...

    The 'HC' is the Hydrocarbon count, which basically means the amount of Raw/unburnt fuel in the exhaust gases, As yours are within limits (as is the lambda) i'd say the engine is running fine, but as...
  2. Thread: HKS 256 cams

    by hooky
    Replies
    4
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    124

    In theory if the map has enough 'headroom' then...

    In theory if the map has enough 'headroom' then the extra flow will be measured by the MAF and the fuelling and ignition should be pretty close.
    I'd imagine if the ECU is completely stock it'd run...
  3. So you gave an old engine a huge prolonged boost...

    So you gave an old engine a huge prolonged boost spike for a 65% increase in engine power without the required supporting mods...

    I'm guessing you have serious det damage.....The head gasket...
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    276

    At that price its gotta be worth a punt! Just...

    At that price its gotta be worth a punt!
    Just be sure that you don't have any oil restrictor in the feed, as the journal bearing will need lots of slippery stuff compared to the ball bearing...
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    272

    I cant offer any advice except for: BE SURE TO...

    I cant offer any advice except for:

    BE SURE TO VIDEO THE TEST & LAUNCH! (and post it of course) :D
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    Cheers dude, I was considering keeping and...

    Cheers dude, I was considering keeping and re-chroming the bumpers but a quality re-chrome would cost north of 4K! :eek: But now its all finished I'm glad it turned out this way :D
    And it looks...
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    1,789

    The transformation is now complete!....:D

    The transformation is now complete!....:D

    <a data-flickr-embed="true" href="https://www.flickr.com/photos/184142746@N07/48678356271/in/dateposted-public/" title="Buick"><img...
  8. Replies
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    Its fairly simple to extend the lower front arms,...

    Its fairly simple to extend the lower front arms, cut them between the outer ball joint and the tension rod fixing point, weld in a 25mm section(or whatever size you want) , and then you'll need a...
  9. Replies
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    394

    I wouldn't use ignition cut at all on an SR20DET...

    I wouldn't use ignition cut at all on an SR20DET with Stock valve springs!
    Even a 'fuel cut limited' 7200rpm on stock springs is already enough to create a little valve float and will pump the...
  10. Your oily bits are common SR20 leak spots, and...

    Your oily bits are common SR20 leak spots, and look fairly historical/mild, so don't worry about these too much as the timing cover and cylinder head will need removing to fix them! The 'Farty rev...
  11. Replies
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    Have you built many engines before? a forged...

    Have you built many engines before? a forged engine build requires some pretty specific knowledge about suitable clearances & material specs Etc, so unless you REALLY know what you're doing then i'd...
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    Start them young..

    Ive always been guilty of trying to 'improve' my cars/toys etc, and it seems my youngest has inherited my traits....



    https://www.youtube.com/watch?v=DYe4rm10v_4
  13. Replies
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    316

    Could it be your wastegate sticking shut when...

    Could it be your wastegate sticking shut when cold and initially over-boosting and going lean? Or the over-boost causing the intake pipe to collapse?
    Once the initial overboost has popped it open it...
  14. Replies
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    1,133

    This can happen with persistent mild-moderate...

    This can happen with persistent mild-moderate Det, the sharp increase in Cylinder pressure and shock travelling through the conrod break down the oil film on the big end eventually causing the above!...
  15. Replies
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    2,039

    Wow....That is truly hideous!:eek:

    Wow....That is truly hideous!:eek:
  16. Replies
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    1,308

    I know Others have said it but this is almost...

    I know Others have said it but this is almost definitely a huge Boost Leak! :wack:
  17. Thread: Starting issue

    by hooky
    Replies
    11
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    339

    No need to pull the fuse, Just floor the throttle...

    No need to pull the fuse, Just floor the throttle while cranking, these cars have have a flood clear feature so if you go WOT during cranking it kills the injectors. then as soon as it fires just...
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    One thing to be wary of is the thread pitch,...

    One thing to be wary of is the thread pitch, There are at least three metric 'Fine' threads that varying manufacturers use, 10 x 1.25mm, 10 x 1.0mm & 10 x 0.75mm. Its probably best to stick to the...
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    279

    Do you have the under-engine tray still...

    Do you have the under-engine tray still installed, and is it secure, maybe its flapping around?

    *Edit, ignore me, ive just seen it does it whilst on a ramp :rolleyes:*
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    441

    With any luck it might just be a complete clutch...

    With any luck it might just be a complete clutch disc failure, but as suggested it does sounds like a catastrophic gearbox shaft failure. :smash:
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    441

    When you put it in gear (in 5th for example), is...

    When you put it in gear (in 5th for example), is the Speedo showing anything? if it is then its either propshaft/diff, if no speed is shown then its the gearbox/clutch at fault.
    (the speedo is...
  22. Thread: Which Turbo?

    by hooky
    Replies
    16
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    775

    The G25 looks massively more responsive against...

    The G25 looks massively more responsive against the GTX3071R, but at 400HP I would love to see the same comparison against a GTX2867R. I would say the 3071 is a bit big for that application.
  23. Replies
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    1,891

    I think they're only available with V-band outlet...

    I think they're only available with V-band outlet atm, so a bit of Fab work would be required to fit to an SR.
    The reverse rotation means basically the compressor/turbine either spins clockwise or...
  24. Replies
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    1,891

    Even the GTX is old school now :wack: we're on to...

    Even the GTX is old school now :wack: we're on to the 'G' series now ;)
    ...
  25. Thread: SR20 Injectors

    by hooky
    Replies
    7
    Views
    427

    Have you considered converting to top feed...

    Have you considered converting to top feed injectors? it usually means you'll need a different intake manifold but there is then a vast choice of injectors to choose from. I'd be going with 1000cc...
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