Suprakeith Posted February 25 Author Share Posted February 25 This weekend have been trying to see if can solve issue but so far no luck, 1st i removed grade 8 plugs which were black and smelt of fuel so she clearly running mega rich for some reason, fitted old grade 7 plugs in and went through all vac lines and couldn't find any damage or loose hoses..(if honest was hoping was going to be simple vac hose). I also did a compression test before fitted plugs and got 125psi across all cylinders that was stone cold engine with throttle closed, i also used camera to see if could see any damage on pistons and bores and they all looked ok. fired car up and was still running really poorly so was unsure what else to do so spoke to Mike from SRD and he remoted in to my laptop with car running poorly and couldn't find anything still, Mike suggested i did another compression test and try running car and unplugging coils one by one to see if coil was faulty, did compression test again and got 175psi more or less across all cylinders so happy that engine ok not head gasket issue. Also with car running and unplugging coil at time, engine dropped that cylinder and then revs increased when plugged in, so happy coils aren't issue either. Mike also suggested that check mechanical timing and look for fuel in vac lines, so checked all vac lines again and all dry and clear, checked timing and all good with cam belt timing, i can't check dizzy timing as need to lock ecu timing and use HT lead and not sure how to do that at moment but going to have read up in week. Today checked AFR sensor and air sensor just incase and they all good, i also checked ecu to see if any wire had come loose or damaged and everything looks perfect in footwell, spoke to Mike again today and he said to check coil loom as he's seen them causing running issues, so have Alex coming round this week to check loom and connectors to rule that out also going to borrow his map sensor as mine is reading low and its something else to rule out. If can't find any issues with coil loom or map sensor think going to have to get car trailed to SRD as i out of options. It could still be timing issue as dizzy could be at fault and if that case when SRD have car will get them to fit delete kit and OEM crank sensor so can get rid of dizzy at last. I wondering as car was running fine and then started running poorly 10mins from home could a pot hole or something caused the dizzy to move causing all this hassle as i run solid mounts and car is very firm ride, really hoping its something simple and not to expensive but car needs sorting so can use her again. Few pictures took this weekend and last phot shows dizzy and i think she was more in middle of adjustment but can't find old pics to prove its moved, really running out of options now....just want to enjoy the car and this isn't how wanted year to start with supra. 2 Quote Link to comment Share on other sites More sharing options...
Suprakeith Posted March 19 Author Share Posted March 19 Right few updates, with the running issues had Alex come round couple weeks ago and we went through all the coils, loom and plugs again to double check it all and still had no luck getting car to fire and run right, so decided to try the dizzy and adjusted timing slightly and car wanted to start so adjusted bit more and car fired up so now sure issue is the dizzy, removed old dizzy to see if had any play or damage and found big crack in magnet and the bearings had failed and shaft was moving all over place so am pretty confident that is what caused the running issue. So rang Toyota and they wanted £872+VAT for new dizzy, looked online and can get same part from Japan Toyota for £218 so ordered new unit plus have ordered set of new HT leads so can reset engine timing and get car running sweet again. Good news both items turned up last week so plan when Alex free again to fit dizzy and set timing and fingers crossed she's all back to normal 2 Quote Link to comment Share on other sites More sharing options...
Suprakeith Posted March 19 Author Share Posted March 19 Also while on holiday this week have been planning to strip interior carpet sort any rust and give everything good clean, its one of them jobs have been wanting to do for while now, so made start Monday and removed seats and carpet and was quite surprised as metal work was in good condition just dirty. Quote Link to comment Share on other sites More sharing options...
Suprakeith Posted March 19 Author Share Posted March 19 So started off giving everything good clean and hoover, then went over the really bad bits with wire brush to make sure all clean, once happy painted the metal in a zinc primmer and once dried put silver top coat on, haven't done passenger footwell yet as that's where ECU sits and going to paint that by hand and finish bracket making for the Link ECU to sit pretty. Plus while everything stripped plan to run sound system wires and also re-route Nos lines into engine bay ready to start using Nos system again. also going to sound deaden all under carpet before start the re-fit. Gave Toyota ring today and have ordered new rubber bungs for floor as only £6 each and as can tell from other pics one is well worn and explains why carpet was bit damp in that area Today i also gave the carpet good deep clean I know bit silly to start big job like this while still not sorted car running issue but am pretty confident its dizzy and making most of week of work. Here are pics of progress so far. Quote Link to comment Share on other sites More sharing options...
Suprakeith Posted May 14 Author Share Posted May 14 Right where do i begin....after the new dizzy turned up, Alex came round so we could reset timing and get car running again, we fitted the new dizzy and tried started car she would fire up but wouldn't idle and was running so poorly, at first we couldn't work out why and rechecked all coils and loom and everything was all good and working as should, tried again and still no joy at all. Then Alex noticed the cambelt was loose, so we turned crack to TDC mark and noticed both cams were miles out, so we thought something must of failed or got stuck and caused cambelt to jump and lose tension. To say wasn't happy is understatement as was now worrying could of damaged engine after all the years of building engine, i decided to start stripping front of engine to see what had happened. What found was shocking the Whifbitz Billet cam belt bracket had seized, i only purchased this part because believed the add that the stock bracket can fail, so thought be extra safe, once removed everything we discovered the shaft bolt had seized inside billet crack bracket, i compared unit to stock and SRD billet bracket and noticed they both have a bush inside where bolt goes where the Whifbitz one doesn't, and considering the out come could of been loads worst and since fitting crack bracket have only done 6k miles on my built engine. And yes there was washer on shaft bolt just removed it for the pictures. Quote Link to comment Share on other sites More sharing options...
Suprakeith Posted May 14 Author Share Posted May 14 (edited) After the discovery of seized bracket, and having right nightmare removing the ATI V2 crank pulley and i mean nightmare....lol. spoke to other built owners and SRD and decided to go back to stock OEM crank bracket and also stock Toyota crank dampener aswell, so placed parts order with SRD. While waited for new parts to turn up, i gave engine bay area good clean ready. Am amazed at how clean the vicious fan came up. Edited May 14 by Suprakeith (see edit history) 1 Quote Link to comment Share on other sites More sharing options...
Suprakeith Posted May 14 Author Share Posted May 14 Also during this process after doing interior refresh, while refitting seats had issue with drivers seat, it got stuck and couldn't move seat to fir front bolts, in the end thanks to Alex again he managed to remove seat and took it to his to strip it, him and his dad found the old nylon cogs had totally stripped, so was another problem to deal with....i started looking at new aftermarket seats but also had heard of people fitting brass cogs from Toyota land cruiser, so i ordered couple new cogs and with lots of hard work and skill from David west and Alex west, and manual lathe they managed to bore out cogs and fit them to sleeves ready to refit into seat frame, when the brass cogs turned up was hoping would be simple push fit but was so wrong and can not thank them both enough for the hours spent on repairing my drivers seat. Another good note all my new parts turned up from SRD ready to be fitted, can't believe that due to Whifbitz crank bracket failing i've had to spend nearly 1k to get engine back to where should be. Quote Link to comment Share on other sites More sharing options...
Suprakeith Posted May 14 Author Share Posted May 14 This weekend just gone started fitting the new parts, fitted new plugs also as why not and also fitted stock OEM crank sensor duo to in future plan to go dizzy delete and get SRd to fit trigger kit, least the sensor fitted ready to go when needed. Got crank and cams on TDC and fitted OEM crank bracket plus greased up shaft bolt with nice new HKS cambelt for good measure, fitted new OEM lower timing cover aswell. Really am happy with how its going now and have Alex coming over this saturday to help set up dizzy timing and make sure everything is 100% as should be ready to use her again, i only have the stock dizzy cap fitted at moment as have to attach HT leads to use timing to tell the Link ECU what the timing is set at, Mike from SRD has also been so helpful during this process and has helped loads remote logging into Ecu to check everything and to show me what to do when set timing. Have ordered new fuse box cover as tried to clean mine up and its ruined and after get engine running will do full oil change. Roll on Saturday and should hopefully having running supra again and wouldn't be at this stage at at all if wasn't for all the help from Alex, his dad David, SRD and Mike from SRD 2 Quote Link to comment Share on other sites More sharing options...
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