RXFORD Posted March 21 Share Posted March 21 If the oiling system allowed it, and if I was chasing driveline perfection I would be setting the engine to as flat as possible and remaking the manifold/tunnel etc to suit. Just depends how much work you want to do I guess. 1 Quote Link to comment Share on other sites More sharing options...
westy Posted March 21 Share Posted March 21 Rotaries sit higher because the eccentric shaft is close to centre of the drum. Crankshaft’s sit in the bottom of the engine. Quote Link to comment Share on other sites More sharing options...
shizzl Posted March 21 Share Posted March 21 13 minutes ago, westy said: Rotaries sit higher because the eccentric shaft is close to centre of the drum. Crankshaft’s sit in the bottom of the engine. Boys have a penis, girls have a vagina……….. back in my day so as I left it today, the engine slope is 5 degrees, the first shaft matches this , the second uj and pinion angle also match. im sure it works as most lifted 4x4s have a steep driveshaft angle aswell. it would be nice to level out the engine, however to do that, I’d need to lift the hanger bearing and completely remove the tunnel right to the back of the cab, and lift the hanger crossmember. bit of a major but all doable. my first ute I just slapped it in and she was sweet with no vibration at all Quote Link to comment Share on other sites More sharing options...
RXFORD Posted March 21 Share Posted March 21 You need at least 0.5° operating angle on a UJ. Lesser the front shaft angle difference the better but not less than 0.5°. Currently you are at 0°. And max 3-3.5° operating angle on front UJ out of box. Now if you raise the hanger bearing so front UJ operating angle is 0.5-1° (front shaft initial angle of ~4° down) it will lessen the centre and rear UJ angles and still be within the max 3° front UJ angle. Centre and rear UJ's still have pretty bad angles but not much can be done about that without a fair bit of rework. If you set the pinion to ~6° down (flange pointing up) it will compensate for a degree or so of bushing flex under acceleration and get you close enough to where it should be happy. Link design/geometry will play a big part in driveline performance too, but thats confusion for another day. 1 1 Quote Link to comment Share on other sites More sharing options...
Dudley Posted March 25 Share Posted March 25 On 13/03/2024 at 22:40, kpr said: from memory it helps with rollsteer Se7en @kpr Quote Link to comment Share on other sites More sharing options...
rusty360 Posted March 29 Share Posted March 29 Quote Link to comment Share on other sites More sharing options...
ThePog Posted March 31 Share Posted March 31 I have this fuel cutoff relay wired into the wee Fiat, but does not appear to be functioning correctly. https://themetricnut.co.nz/store/index.php?route=product/product&path=204&product_id=1724 It has the 4x normal terminals plus an additional wee one which theoretically is the go signal input. If the engine isnt running it should prime the carbs then cut off, but it runs continuously. I have wired the signal terminal to the coil pack output, the coil looks like this and serves all 4 cylinders; Any ideas what I am doing wrong? Quote Link to comment Share on other sites More sharing options...
NickJ Posted March 31 Share Posted March 31 Have you tried a different coil wire? Might not be getting the signal off the ground wire and expecting the opposite polarity? Quote Link to comment Share on other sites More sharing options...
NickJ Posted March 31 Share Posted March 31 Also those are very nifty relays that I really should have on a few cars.... Quote Link to comment Share on other sites More sharing options...
ThePog Posted March 31 Share Posted March 31 Well the other terminal is just a switched +12v.. Quote Link to comment Share on other sites More sharing options...
NickJ Posted March 31 Share Posted March 31 yep, there is still a waveform on the +12V side, but the lead that is to the points/trigger should have the largest wave the relay is looking for Quote Link to comment Share on other sites More sharing options...
h4nd Posted March 31 Share Posted March 31 You'd spotted the little wiring clue hiding in an icon on that page? 2 Quote Link to comment Share on other sites More sharing options...
ThePog Posted March 31 Share Posted March 31 34 minutes ago, h4nd said: You'd spotted the little wiring clue hiding in an icon on that page? Hmm, I may have missed that and made some assumptions about it being essentially a relay with extra. Maybe I will revisit my wiring.... thanks. 1 Quote Link to comment Share on other sites More sharing options...
ThePog Posted March 31 Share Posted March 31 12 hours ago, h4nd said: You'd spotted the little wiring clue hiding in an icon on that page? Well I wired it properly and it doesnt work, I am guessing i may have toasted by using it with the wrong connections? Quote Link to comment Share on other sites More sharing options...
Beaver Posted April 1 Share Posted April 1 Some yarns here https://www.thesamba.com/vw/forum/archive/index.php/o-t--t-435807--.html Including a post which gives slightly different wiring instructions, uses the coil specifically for 15 and 31b Quote Link to comment Share on other sites More sharing options...
oldrx Posted April 1 Share Posted April 1 On 21/03/2024 at 14:04, shizzl said: Maybe to accommodate from the massive Gs on mega torque clutch dumps and wheel stands? Haha yeah right. not sure, but by my retarded thinking, if the engine is flattened off and the carbs leans forward 5-6 degrees then the rear rotor may be more likely to lean out and heat up. Which is what kills most 12a’s - dead rear rotors. going to injection would fix that, until it dies eventually anyway (I am yet to have one die). Not sure the longer runner would affect mixture much if at all? Always thought rear rotors died earlier was due to higher temps as coolant flows from front to rear, not hundy on that though Quote Link to comment Share on other sites More sharing options...
Rookie Posted April 4 Share Posted April 4 On 31/03/2024 at 09:30, NickJ said: Have you tried a different coil wire? Might not be getting the signal off the ground wire and expecting the opposite polarity? Conviently the Germans have created a standard for automobile wiring so you don,t have to guess. https://en.wikipedia.org/wiki/DIN_72552 The 31b pin is indeed a swiched ground, which as correctly stated by the metricnut would only work with points trigger wire. 2 Quote Link to comment Share on other sites More sharing options...
NickJ Posted April 4 Share Posted April 4 18 minutes ago, Rookie said: Conviently the Germans have created a standard for automobile wiring so you don,t have to guess. https://en.wikipedia.org/wiki/DIN_72552 The 31b pin is indeed a swiched ground, which as correctly stated by the metricnut would only work with points trigger wire. Mean! Always assumed those numbers had some meaning but never looked into the details, cheers! 1 Quote Link to comment Share on other sites More sharing options...
87creepin Posted April 5 Share Posted April 5 Does anyone know which PaP or Zebra in Auckland has the best selection of tyres? Quote Link to comment Share on other sites More sharing options...
RXFORD Posted April 6 Share Posted April 6 12 hours ago, 87creepin said: Does anyone know which PaP or Zebra in Auckland has the best selection of tyres? Probably Takanini PickaPart. Theres a rack of them, then a shitload just scattered in the ground. Zebras selection was ok, but I havn't been back there since they reopened recently. 1 Quote Link to comment Share on other sites More sharing options...
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