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Thread: 13/04/1300 Mazda 626 Turbo

  1. #211
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    Now it's got me wondering how I would have gone with decent rubber rather than those old worn G60 McCreary's.

    got to get me a set of drag radials for next time.

  2. #212
    Ease Up Turbo Commotion's Avatar
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    Thats awesome results! i thought it pulled pretty strong. how much power do you estimate it would be making?

  3. #213
    Registered User ls400x's Avatar
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    Top result, more videos?

  4. #214
    too old for this shit Kiahatsiu's Avatar
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    I was impressed.
    Torque sells tow cars.
    Horsepower wins horse races.

  5. #215
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    no vids, dragphotos.com.au got some good photos (if i was looking up at the time i would have purchased this one)




    attached are the results for the last test and tune:

    19psi boost (couldn't run anymore on the night due to boost controller setup), 30% toluene/70% 98RON fuel, all seats except drivers taken out, 245/55R15 M&H Drag Radials @ 16-18PSI

    Click image for larger version. 

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    compared to last time out's fasted time i picked up 0.73s in the 1st half and 0.06s in the 2nd half from the drag radials (and a slight weight reduction from removed seats).

    next time out will be early next year, where i'll try and run a few more psi and lose a little bit more weight. the goal: 12sec pass driven out and back (with a tyre change and some unbolting of stuff at the track).

  6. #216
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    as for power does 220hp sound about right?

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    don't think there is much left in the turbo.

    a mate of mine is pushing me to put a t4 compressor on the t3 turbo but it will blow the budgetl so i'll aim for a 12 without it first

  7. #217
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    Any news?

  8. #218
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    stage 2 underway - "fiddy fiddy"

    aim: 50hp more and 50kg less

    A bit over half way through weight reductions (aluminium bonnet hinges & handbrake lever, 3 pieces of fixed glass replaced with acrylic, holesawed door hinges, etc.). Would really love to replace the hatch glass with acrylic but I reckon it would look too defectable (transparent plastic = too much cost, opaque plastic = free from a bin near work).

    On the lookout for a to4b v-trim compressor to highflow the series 5 rx7 turbo. Hoping for another 50hp (combination of impeller upgrade and more boost). This will take me over the budget by $100, so I'll need to take a 0.1sec hit as per the rules.

    Hard to get motivation due to no other active competitors. Might have to aim for the RWD 13s for $1300 record.

  9. #219
    Registered User jimmyg's Avatar
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    Im sure ls400x will be on the job once he has finished stabing shit with a screwdriver.
    Mmmmmmmmm beer.

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    You had one fucking job, Imran. One. Now look, there's Flibberty Gibbets all up in here, seeing straight through your ruse. One. Fucking. Job!

  10. #220
    Registered User E-Z's Avatar
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    gimmie $1300 and ill compete :P
    caprice nugget.

  11. #221
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    Intrusion bars still there? Is it an electric sunroof?

  12. #222
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    intrusion bars and elec sunroof long gone. to give you an idea of what i'm up to i've holesawed off most of the unused nuts that are spot welded to the chassis...

    holesawing with a hand drill is a cuntofajob though, so i've limited myself a bit with it

    weight reduction is a funny thing. if you spend 2hr to remove 0.5kg you start to identify numerous other parts of the car that have a better "weight removed to time taken" ratio. so it's kind of like 1 step forward 2 steps back.

  13. #223
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    Quote Originally Posted by E-Z View Post
    gimmie $1300 and ill compete :P
    don't you go through like a car a month?

  14. #224
    Registered User E-Z's Avatar
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    nah i try get 3 months out of them.
    caprice nugget.

  15. #225
    Resident Oaf Jim's Avatar
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    bumper brackets can go, all 3 passenger doors can be gutted to nothing but the skin, boot and bonnet structure can be completely removed etc etc
    dry ice will lift the sound deadening off the floor. there's 15-20kg there alone.
    Turns out, far too much has been written about great men and not nearly enough about morons


    Quote Originally Posted by seedyrom
    my neighbours called the cops...... not because of the sound of me working in the garage was too loud, but because i taped a cardboard box to my back, covered my self in vaseline and pretended i was a snail on their lawn

  16. #226
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    ticked all those items off the list ages ago (well I hole sawed the hell out of the bumper brackets but didn't completely remove them)

  17. #227
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    Well it looks like leaf spring CM beam axle is next on the list....

  18. #228
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    What do the factory alloy wheels weigh compared to some steelies?

  19. #229
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    Quote Originally Posted by ALLMTR View Post
    Well it looks like leaf spring CM beam axle is next on the list....
    cool. you got hookups for a free one?

    don't know about wheel weights. might have to bring some scales with me next time i'm at the wreckers. wouldn't think there would be much in it though.

    turbo compressor high flow hopefully within the next few weeks. i've done up detail drawings stepping through the machining that is required. my mate's got a lathe at his house and is willing to help out with the machining. in the meantime i'll try and finish weight reduction. i've done firewall back and i'm now up to firewall forwards. will definitely take the car to the tip to get its weight before the project is over.

    not impressed with the ebay special impeller. the impeller blades are relatively very thick and the stepped section on the back of the impeller was about 0.6mm higher than the factory impeller. it cost $48 so if i remove half my exhaust and my air filter at the track i might still be under budget.

    got to make the call about whether to lock (by welding) the diff now that the driveline has been removed from the car for engine bay related weight reduction. i can do with the traction but don't want to blow up part of the driveline due to the additional loading.

  20. #230
    Registered User E-Z's Avatar
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    lower times outweigh potential losses?
    caprice nugget.

  21. #231
    No its not a colt timtx5's Avatar
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    Bumcrack - I reckon lock it. Diff's seem to go in these more than boxes (although people have done 3rd). I think there have been some 11 second cars around on the stock locked box.
    POWER CHIP free since 2003.

  22. #232
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    Quote Originally Posted by bumcrack View Post
    cool. you got hookups for a free one?
    Not free but it was about $100 to make and saved around 35kg IIRC

  23. #233
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    Quote Originally Posted by ALLMTR View Post
    Not free but it was about $100 to make and saved around 35kg IIRC
    i think the mod is a great idea for a fwd drag car. 35kg is a great saving

    Quote Originally Posted by timtx5 View Post
    Bumcrack - I reckon lock it. Diff's seem to go in these more than boxes (although people have done 3rd). I think there have been some 11 second cars around on the stock locked box.
    cool. lock it in eddie

    .

    well, my mate has turned around the majority of the high flow machining already and if it wasn't for my cluttered drawings it'd be well on its way

    that leaves the diff lock as the last major mod to do. of course there is a bit of firewall forward weight reduction to do but that is relatively easy.

    at least a month away from getting to the track again.

  24. #234
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    high flow machining finished and turbo reassembled. my mate did a really good job and all dims, tolerances, surface finishes, etc. are spot on.

    now sporting an s-trim impeller - 8mm larger inducer and 7mm larger exducer. good for a few more horsepowers.

    sorry for the crappy iphone pics





  25. #235
    Registered User E-Z's Avatar
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    Brilliant mate
    caprice nugget.

  26. #236
    Registered User SFort's Avatar
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    Glad to see this is still moving.

  27. #237
    [DIRTY31] lysdexia's Avatar
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    awesome work with the highflow
    HR31 Coupe - RB20, Bilsteins, Cage and shit
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  28. #238
    Ease Up Turbo Commotion's Avatar
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    You're right, the finished product does look good. I still think it would be a worthwhile excercise looking into the cost to get it ballanced. Would be a shame for it to grenade after doing such a good job on the mod.

  29. #239
    Registered User E-Z's Avatar
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    Nah fuck that
    caprice nugget.

  30. #240
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    hmmm, well the turbine impeller & shaft assembly is balanced from factory and i've added a new balanced compressor impeller. i'm led to believe that this component balancing is all that the OEM does.

    if i end up keeping the turbo for a future 4cyl twincharge project then i'll look into new bearings, seals, 360deg thrust bearing, turbine impeller back cut as well as an assembly balance. i'll 'risk it' as is for this 13s for $1300 project.

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