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  1. andrewrobertson

    Streetable Eight Stack

    Very useful sounding feature indeed
  2. andrewrobertson

    Streetable Eight Stack

    Hi Ox, I love your fabricated IR solutions! I run speed density on the Hilborn 440SBC in the canam car and it is super docile and well mannered so i agree with you there. The issue it has got though is that the MAP resolution is poor due to the IR so in the lower to mid RPM range it will...
  3. andrewrobertson

    Streetable Eight Stack

    Hi all, I have put a lot of effort into setting up and fine tuning a Speedmaster budget 8 stack for the street on a cammed LS3. It runs pretty good. There are a few things relevant to this discussion. - IR intakes do not produce a MAP signal that is properly representative of engine load...
  4. andrewrobertson

    Wolseley 6/90 revival

    Hi JP, yes I have two resonators about a metre back from the header collectors - possibly too early in the system but the only place I had room - and even with the resonators in place the flowmasters are over the top. I made a mistake above - I actually fitted a pair of Dynomax Super Turbo...
  5. andrewrobertson

    Wolseley 6/90 revival

    Hi All, Still making incremental progress, but still waiting for final front guard lip mods to be completed for certification. Have the car pretty much 95% tuned and running well. The 8-stack is incredibly fussy to tune at very low throttle angles where small changes create large percentage...
  6. andrewrobertson

    Transaxle vent/breather

    Hi Doug, I run an inverted 930 Porsche 4 speed trans-axle and had major issues initially with it puking oil out the breather and overflowing the small Moroso catch can I use. I converted my side filler plug to a -8AN female nipple and have my can continuously draining back into the trans. It...
  7. andrewrobertson

    8 stack and Holley ECU's

    No - load function starts TPS then transitions to MAP. Holley's use case is a big cammed v8 with erratic and low manifold vacuum at idle and low rpm low load where TPS is preferable as an indicator of load, transitioning to MAP at the point there is a usable signal with decent resolution, say...
  8. andrewrobertson

    8 stack and Holley ECU's

    Hi Stephen, don't get me wrong on the Holley - it will work fine if you commit the time. The main benefits of it is the huge forum support and the user friendly software. The main issues I have with it are the hybrid Alpha N mode (Alpha N for idle and light cruise, transitioning to Speed...
  9. andrewrobertson

    8 stack and Holley ECU's

    Hi Stephen, I'm running a Holley HP on a LS3 8-stack set-up on my restomod project. Personally I would use a crank trigger for timing because of its much superior stability and just use the distributor for cam sync assuming you want to run sequential. I'm using full Alpha N due to the...
  10. andrewrobertson

    McLaren M20#73

    Hi Andy, My main hoop was integral and powder-coated satin black as part of the whole chassis. I had all my suspension arms and radius rods HPC coated and they came up well, durable and and settles down to a semi-gloss silver/grey over time. What's the MANZ drama about your roll protection...
  11. andrewrobertson

    Cam help

    Agree with the recommendation to go hyd roller. I ate two XE flat tappet cams in a row before switching. Don't sweat the cam specs too much - just decide what you want from the engine. If we take the comp cams 281HR, 284HR, and 290HR grinds as a reasonable spread for a street performance...
  12. andrewrobertson

    McLaren M20#73

    Getting closer Andy - looking superb! Cheers, Andrew
  13. andrewrobertson

    427 Crate Engine Possibilities

    Hi Coleman, I've got a Shafiroff 434 in my McLaren canam replica. This is a similar configuration to the 427 you linked to. It is very torquey and flexible, and about as much as the chassis and me as driver can handle. Apart from the fact that its enough already and I'd struggle to find a...
  14. andrewrobertson

    McLaren M20#73

    Hi Andy, How's the M20 going? Any noise yet?! Cheers, Andrew
  15. andrewrobertson

    Eight Stack Air Filters

    Hi, small filters of that nature (in the top post) can really kill performance. You could lose 30-50hp on a 400hp engine, and get something that looks cool but would get smoked by a 4 barrel on a dual plane intake. The ideal filter flow requirement for one cylinder is not that far below what...
  16. andrewrobertson

    GT40 Transaxle.

    The 930 4 speed was briefly mentioned earlier in the thread - I'd put in a vote for that. I have a 440 chev hilborn injected with nearly 600ft/lbs in front of one in an inverted configuration, racing on 335 wide slicks, and have done about 30 sprint races with standing starts and have done 2...
  17. andrewrobertson

    Aussie RCR T70 capers

    Awesome Chris - I've got a mate over here that's done the 12hr endurance race at Bathurst a few times. He describes NZ tracks as being like kindergarten and Bathurst like University! How stable is the T70 at high speed. Body shape is similar to the M1 and I've never had a chance to tap it...
  18. andrewrobertson

    Same breather can for both motor and gearbox?

    I was getting so much oil throw-off from the ring gear on my inverted 930 transaxle (which uses the original drain plug hole - now on top - to plumb to the catch can) that I run the can drain straight back into the filler hole on the side of the trans. The catch can is basically an air...
  19. andrewrobertson

    M6B Tragic

    Excellent Udo - just insanely good and that thing is a bloody monster! Cheers, Andrew
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