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Leon, the M20 is looking superb - very bloody exciting! Cheers, Andrew

Warwick Mortimer owns the M8F and I'm pretrty sure he will be at Hampton Downs. Check out Sports Car Racing for info on the NZ Sports Car Racing Club. Cheers, Andrew

Thanks for the comments guys. Leon, I'm based in Wellington. Next events for me should be 4/5 April at Taupo and then 2/3 May at Hampton downs. I joined the Sports Car Racing Club and they seem to be a good bunch who are keen to just get out there and have a fang. I am down to low 1:11s...

Hi All, Happy New Year! Belatedly, I've popped some footage on youtube of the first meeting for me and the car in November 2014. https://www.youtube.com/watch?v=pwjPRG_GyuI Car ran well. I'm still getting used to it, and being pretty cautious. Only problem was the 930 inverted...

Hi All, Had the first race meeting in my McLaren M1B replica last weekend at the MG Classic meeting at Manfeild, and wanted to pick your brains. Suspension is basically identical in concept and execution to original GT40. I am running modern racing slicks 330/680/18 rear (20psi cold) and...

Cliff, I run the 2 7/16 hilborn EFI system on my 434SBC but I only bought the hardware from them (manifold base, throttle bodies and linkages, MAF lines/manifold, fuel rails and TPS) and I went with a local ECU supplier (Link G4). I use an MSD crank trigger for accurate ignition reference and...

Haven't used it on that engine but have a fair bit of experience with that ECU on atmo and turbo Chev SB engines. Happy to discuss offline [email protected] Cheers, Andrew Robertson

Hi Russell, sorry I wasn’t paying attention to your earlier questions on carb CFM and I’ll respond because it is an interesting area that I've mucked around with a bit. I reckon it’s useful to ponder a bit on how carbs are rated. At rated airflow capacity a 4bbl carb will lose about 5% of mass...

Hi Russell, EDL-2198, $246 US from Summit. Works well. I think Harcourt's unit is a single plane design better suited to jet boat or higher RPM application. Cheers, Andrew

Hi Russell, looking really good! If you are considering a carb option, I set-up my friend's P76 Leyland powered Series 1 RX7 club race car. Used the Edelbrock 2198 dual plane with spacer plates (which you obviously wouldn't need on a 3.5) and one of the newer highly adjustable down-leg...

Thanks Guys, Leon, it's a Hilborn 2 7/16 unit with EFI injectors hidden in the centre. basically one of their traditional two-peice designs with a new top casting made to accept EFI hardware. Controlled by a Link G4 ecu. See here for details: Hilborn Fuel Injectors. I'd love to run with...

Hi All, I've been particularly slack at updating on progress of the M1 replica build I have been chipping away at off and on since 2008. Anyway, it's finished, and I had my first shakedown test run at Manfeild a fortnight ago. Went pretty well - mainly testing the engine/clutch/box etc -...

Hi, are you sure you don't have an issue with pump shot or transition fueling from idle to main circuit. Not familiar with Edelbrock/Carter carbs, but on a Holley (although it's often not easily adjustable) the transition circuit plays a major role in transition from off-idle to mains in a...

Hi, pump gas MPEFI 383 chev running link G4 sequential ECU, mild hyd roller cam, 10.5cr, edelbrock heads, operating range idle to 6k, fine tuned over 5 years of operation. Timing < 400rpm all MAP values (i.e. cranking) 10 degrees Timing no load (i.e. at MAP values where the engine idles...

If you are contemplating an upgrade to heads, intake/carb, cam and valvetrain, and stroking it, it may be more cost effective to do this low deck package as a swap out and then flick your current mill for an offset in cost once you address the bottom end noise. Shafiroff Racing 363 Small Block...

Hi Mark, looks cool. I went the Hilborn route on my McLaren M1B replica. This 2 7/16 stack system was a bit under USD $3k new from Hilborn five years ago. It comes with the original mechanical injection lines (not shown in this photo) plumbed into a distribution block in the valley for use...

Hi, I reckon a standard SWB series 1 car is hard to beat just lowered a bit and on decent wheels (first pic). In fact I think they are among the most beautiful seadns ever made. This '73 daimler sovereign is my 383 chev twin turbo powered road car, which i still use as my daily driver. Second...

Hi, don't be put off by the pricing on the hilborn site - I purchased a 2 7/16 system complete with trumpets, linkages, TPS, injector rails etc about two years ago for my 434SBC and it was about $2700US. The prices they list are for all the fruit and ECU that you don't need. I'd be surprised...

Tim, I agree with you, but cubes still rule! I'm a proponent of both (my last road race car ran a twin turbo 461BBC, and my road car is an old '72 XJ Jag with a twin turbo 383SBC in it). It's nice to have something that's still quick and responsive offboost, and then on-boost.... as you say the...

Hi, you may also have felt the effect of increasingly effective charge cooling on the turbo car - most OEM turbo cars get pretty heat soaked pottering around and staging, and will gain power through the increasing effectiveness of the intercooler as speed rises which lowers intake air temp and...