BlownCorona Posted December 6, 2020 Author Share Posted December 6, 2020 another one for @yoeddynz @vivaspeed and anyone who knows about Vivas or suspension geometry. a query raised at the wof was about the steering not returning to center, they thought it may be cause of the stiff spot in one area of the steering, but ive sorted that and its still no better. not really surprised as it wasn't really that stiff. at any speeds, low or high the steering wheel doesn't really return to center. now my limited knowledge on suspension geometry is that castor angle is what causes this effect. and castor angle looks to be really close to 0 deg on this car. there looks to be some form of caster angle adjustment where the viva subframe connects to the chassis, but it appears the upper mounts wont allow any angle change at all without stressing the whole lot. i could bend or remake the upper mounts but thought id better ask here what would be the way castor angle is adjusted on a viva? it looks like i could push the lower arm forward some with the trailing arms but that doesn't seem correct either. 2 Quote Link to comment Share on other sites More sharing options...
Popular Post BlownCorona Posted February 28, 2021 Author Popular Post Share Posted February 28, 2021 this missed out on getting a wof/used this summer because i focused all my spare time on the crown, but shit its good to be dailying the crown again, so well worth the sacrafice. anyway i have recently made some progress on the chevron. my work held its track day last week and i was pretty excited to cut some laps in my first real race car. days before the event we got word that open top cars were not going to be allowed without an MSNZ spec roll bar, so for perhaps a normal person this would have mean parking the car and dealing with in later. but for me, i luckily had 90% of my new roll bar build. spoke nicely to one of the welders and he tigd on my harness bar rady for me to pull a long night, the night before track day, to install it. didnt actually take too long and im very happy, though i still have the 5th removable bar to install soon. cue track day, and it very very quickly became apparent that something in the coolant system is not good enough, the format we ran for the day was 15 minutes cycles of sub 100kmh (passengers allowed), road cars, race cars, bikes. and while the car was happy enough driving on the road to the track, and in the first cruise session, not even one lap into the first proper session and the temps were sky rocketing. i tried removing the thermostat for a band aid fix that might get me a few sessions but it behaved the same. either something in the coolant system isnt up to par, or it may be a head gasket, though i have no surface symptoms of this. however it did get slightly warm on the drive home, i suspect this is probably because it poked some of the coolant out when warm and now has an airlock. still, given the type of car it is, you can still have alot of fun sub 100, cutting through corners are a decent pace, and the passengers all loved it. looks like i might need to lower the passenger seat base some, for some reason its higher than the drivers. after the race day, i also picked up a new drivers seat, id been looking for an affordable kirkey for ages, since i think they look awesome, and no other seat is gonna fit. turns out the seller was aweful and measuring and it doesnt fit either, but i can cut and weld it to take out the extra width at the front, its only slightly too wide. 14 Quote Link to comment Share on other sites More sharing options...
mrenzee Posted July 21, 2021 Share Posted July 21, 2021 Hi, random question, but do you have the previous owners of this somewhere? I think I owned it about 20 years ago in Palmerston North - if I'm right my father made the grill with the 7 in it. 1 Quote Link to comment Share on other sites More sharing options...
BlownCorona Posted July 21, 2021 Author Share Posted July 21, 2021 yes, i purchased it from the wood family in upper hut, friends of a friend. very likely the same car in that case. they gave me a big folder with info and some relevant book scans in it, i may find some more previous owner details in there Quote Link to comment Share on other sites More sharing options...
BlownCorona Posted July 21, 2021 Author Share Posted July 21, 2021 ps. on this forum we separate discussion and build threads. please find the discussion thread here. however since this is relevant to the vehicle history it would also be fitting to have in here. 1 Quote Link to comment Share on other sites More sharing options...
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