Here is just a bit fuller version of the 'parts' story.

Parts:-
Chassis McLaren M1B (1966)
Second ‘B’ chassis works built. Designed to take 13” wheels all round, it was only raced once in this configuration, driven by Bruce in April of that year only just being finished in time for Snetterton. Its second outing was at Silverstone where Chris Amon drove it. At this race it was fitted with 13” front and 15” rear wheels in an attempt to overcome handling problems encountered at Snetterton. It was again raced in Canada by Chris at St Joviet and Mosport only by then it had 15” wheels all round.
Later that year the car was dismantled and most of the parts were fitted to a new chassis, to become one of a pair raced in the Canam series. The chassis was discarded into a corner of the factory, where it lay until George bought it and shipped it to N.Z. to for the basis of the McBegg

Body McLaren M6 (1967, lowered as prototype for M8 1968)
To test some design ideas for the soon to be built M8 cars Bruce decided that Denny’s M6 car (raced as #5) should be cut up and used. The chassis had the section behind the rear of the cockpit was removed and the new 7 liter Chevrolet engine became a ‘stressed member’ bearing most of the loads, and was supported/braced by tubes going back to the rear cross member.
The bodywork was lowered in the front section by simply taking a 2” slice out of it along each side and across the front. Fitted to the modified chassis it did many laps of Goodwood while tests were done.
Having served its purpose, it was discarded into the same corner as the chassis until George came along.

Gearbox Hewland LG

Motor Chevrolet 5.9 litre

Suspension
Front uprights strengthened (by gusseting) Standard Triumph (ex McLaren)
Front wishbones M1B McLaren
Rear uprights M1B McLaren
Bottom rear wishbones M6 McLaren

Wheels
Front M1B McLaren
Rears (were) M6 McLaren race wheels, from the end of the 67 Can am season. The team had been having trouble with these wider wheels cracking and as a stop gap measure they had braced one set of wheels with external steel plates. The wheels had been run at Laguna Seca and then Las Vegas before being discarded to the scrap bin. (Georges shopping spot)

Parts arrived in Invercargill Christmas 1968