Rowans GPX Turbo Build

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bjk
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Re: Rowans GPX Turbo Build

Post by bjk »

Daniel2019 wrote:
bjk wrote:Legit CF? Should be loads lighter than the stock boot! Where'd he find it?
5kg difference.
That's like five blocks of cheese!
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Re: Rowans GPX Turbo Build

Post by kiz »

bjk wrote:
Daniel2019 wrote:
bjk wrote:Legit CF? Should be loads lighter than the stock boot! Where'd he find it?
5kg difference.
That's like five blocks of cheese!
10 blocks if you only get the 500g ones
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Re: Rowans GPX Turbo Build

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kiz wrote:
bjk wrote:
Daniel2019 wrote:
bjk wrote:Legit CF? Should be loads lighter than the stock boot! Where'd he find it?
5kg difference.
That's like five blocks of cheese!
10 blocks if you only get the 500g ones
Only one block if it's a deli cheese.
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Re: Rowans GPX Turbo Build

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Half a block after bennoz eats it
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Re: Rowans GPX Turbo Build

Post by Rob Furniss »

And so it begins....

Rowan freighted the engine from up here in Broome down to RPW in Perth last week and they have it now so will be starting work rebuilding it soon.
They've already started work on the 2nd hand heads (courtesy of Mr Stocks) by Acid bathing them and will be doing some minor porting on them but not too much as the main gains will be from turning the boost up.

Forged Pistons have arrived and being sent for HPC coating soon, forged conrods are in too.
He's also fitting HKS profile cams
New valve springs
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Re: Rowans GPX Turbo Build

Post by spetz »

It's really nice to see a 6A12 get the full treatment, but with the 4G63....

Will you be posting pics please?
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Re: Rowans GPX Turbo Build

Post by Rob Furniss »

spetz wrote:It's really nice to see a 6A12 get the full treatment, but with the 4G63....

Will you be posting pics please?
I've asked David to take a few pics so yes we should get some.
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Re: Rowans GPX Turbo Build

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What was the weight of the 6A12 engine, when you send it down here?
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Re: Rowans GPX Turbo Build

Post by Rob Furniss »

yotka wrote:What was the weight of the 6A12 engine, when you send it down here?
No idea, he told them 120kg for the block plus a 40kg box that we strapped onto the pallet too which had the 'bits'.
But this was excluding heads as they came over from Dwayne (Rowans were knackered).
We probably over-quoted the weight, it only cost $350 though which he thought wasn't too bad.
He first told them 120kg plus dimensions and got the price and then phoned them back to add the box on and the price didn't increase as it was based on the dimensions which didn't change.
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Re: Rowans GPX Turbo Build

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Well that's definitely some progress. Hopefully good results!
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Re: Rowans GPX Turbo Build

Post by dstocks »

Ahhh, so it got there OK then. And the heads were alright?. Bit hard to check them without any equipment.
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    Re: Rowans GPX Turbo Build

    Post by Rob Furniss »

    dstocks wrote:Ahhh, so it got there OK then. And the heads were alright?. Bit hard to check them without any equipment.
    Yes it got there ok thanks Dwayne, i'm not sure if they've checked them for straightness and hardness yet but they generally do a very light grind on them too (I think that's the term) .
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    Re: Rowans GPX Turbo Build

    Post by Rob Furniss »

    Got an LSD coming from flateric in the Netherlands, should go well with the manual conversion and Fidanza lightweight flywheel that's going in, not sure what else he should replace inside the box though while we are at it.
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    Re: Rowans GPX Turbo Build

    Post by bjk »

    Not to rain on the parade, but I was under the impression an LSD from an auto box would not suit a manual one? Might be worth checking with Ben, but I did find this comment of his on another thread.
    http://ftoaustralia.com/v3/viewtopic.ph ... al#p361574
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    Re: Rowans GPX Turbo Build

    Post by Rob Furniss »

    bjk wrote:Not to rain on the parade, but I was under the impression an LSD from an auto box would not suit a manual one? Might be worth checking with Ben, but I did find this comment of his on another thread.
    http://ftoaustralia.com/v3/viewtopic.ph ... al#p361574
    Oh dear, I hope that's not the case as it would have to go in my car instead ;)
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    Re: Rowans GPX Turbo Build

    Post by bjk »

    Rob Furniss wrote:
    bjk wrote:Not to rain on the parade, but I was under the impression an LSD from an auto box would not suit a manual one? Might be worth checking with Ben, but I did find this comment of his on another thread.
    http://ftoaustralia.com/v3/viewtopic.ph ... al#p361574
    Oh dear, I hope that's not the case as it would have to go in my car instead ;)
    What a shame. :lol:
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    Re: Rowans GPX Turbo Build

    Post by Rob Furniss »

    Also to add to the problems the driveshaft inners from Rows car are 27 spline (just counted), and the inners/cups that were still in the manual box that he got are also 27 spline. I thought 25's were more common.
    And the LSD that's coming from Eric is 25 spline.

    Any way I can find out about mine (like a list of box numbers) without pulling the shafts out?
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    Re: Rowans GPX Turbo Build

    Post by Rob Furniss »

    Rebuild of Rowans engine has been completed, should get it back here soon.
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    Re: Rowans GPX Turbo Build

    Post by Vectose »

    Rob Furniss wrote:Rebuild of Rowans engine has been completed, should get it back here soon.
    What was the damage?
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    Re: Rowans GPX Turbo Build

    Post by Rob Furniss »

    12.5K

    I know, it's a lot of cash.

    Forged pistons (a little oversize but not max)
    Forged conrods
    Performance camshafts - normal on the low lobe and HKS 272/300 on the mivec lobe
    Vernier cam gears
    HPC coating (not sure exactly what this is but some kind of protection)
    Valve springs
    ARP bolts
    Fidanza flywheel

    Crank regrind, new bearings for everything internal (thrust bearings, conrod bearings, main bearings.
    Rebore of cylinders, honing of cylinders.
    A bit of head work.
    I think everything inside has been replaced, core plugs etc
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