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About youngengineer

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  1. Thanks for the advice. Last night I re-torqued all the bushing bolts to 90NM and there has been no difference. On the topic of shocks however, I did noticed that the OEM shocks dampened both on forward and return whereas the Britparts only on return.. Hmm I would assume that dampening on compression would make the ride very hard. Either way Britparts dampen only on return so I cant see any improvement to be made from procomps. I may be wrong.
  2. I try to avoid using the gun for final torque settings. But in this case I did all four springs in an afternoon so it was a quick job. I can loosen then and re-torque. Is there a reference for torque settings?
  3. Thanks for the fast response. I shall retorque the bolts with the vehicle flat on the ground and see if that improves things. I heard many people complaining about parabolics being too soft so I was quite suprised to find them almost as stiff as the 40 year old leafs. Hopefully it's a simple fix.
  4. I recently installed some GME parabolic springs on the front and rear of my series 3 military 109. I was expecting quite a noticeable difference from my rusty OEM springs but in all honesty the difference has been very subtle. When I tightened the bush bolts down I used an impact gun on medium setting whilst the car was jacked up on blocks which would have been at maximum articulation. Have I possibly overly tightened the bolts leading to reduced articulation? I may have incorrectly assumed that the bushes would move freely within the ends of the leafs regardless of the toque setting of the bolts. I'm running new britpart shocks. I'm not expecting coil smoothness but it still feels like a rough ride to me.
  5. You're actually not wrong. I revisited Ashcrofts ratio calculator to double check and it looks like the overdrive numbers and graph are placed seperately lower down on the page. So at 85mph it's showing around 3500rpm which is still crazy high but within the rev range of the engine so certainly possible.
  6. This.. I've definitely not got a 1-ton box. My gearing is perfectly inline with ash-croft calculator. As far as I know, all series have the same high range ratio gearing, 1.15:1. Obviously apart from 1-ton.
  7. 85Mph on 32" tyres (assuming 238/85 used), series diff, series box & TC and overdrive gives you around 4800RPM (according to Ashcroft) so something is not adding up. 🤔
  8. Theres nothing wrong with the engine. It will go to redline. Compression is great on all cylinders. I'm running a hybrid turbo, loads of boost and fuel mods. Spins the wheels up all day. I'm just not comfortable driving around with the needle bouncing off the limiter. I dunno, maybe I need to invest in ear defenders but it does not feel or sound good. Your getting 85Mph with 3.54 diffs and an overdrive I assume? Thats quite different to what I had which was no overdrive and standard diffs. So comparing apples to oranges really. If you really are running 85Mph on 4.7 diffs, series box and overdrive then you must be running some outrageously large rubber!
  9. Great write-up thank you. It certainly makes allot more sense. Btw my seats are as far back as they will go. Maybe not on the picture though.
  10. I will try lifting the tracks first see how I get on. But in all honesty I'm, not keen on the idea as feel like im already very close to the top of the windscreen and looking down onto the road instead of ahead. I feel annoyed about not having forked out on defender seats when I had the chance.. Are Rx8 seats going to create more problems or a step in the right direction in terms of improving leg space? The seat riser kits seem to be pretty simple. I think I could fabricate something out of some heavy duty Unistrut I have in the yard.
  11. I recently took the plunge and upgraded to deluxe seats. So far with mixed results. I'm running a 109 with a truckcab. Ok the seats look great and are firmer and more comfortable to sit in, but at a cost. The combination of the thicker and firmer foam as well as taller backrests mean you sit further forwards. Me knees are in agony after an hours stop start traffic. The top of the backrest now fouls just under the truckcab glass meaning that the seat is not able to rest onto the backrest support. I know that the truck-cab limits my adjustment possibilities but I would really like to keep it. Other then having custom seats made im not really sure what else I could do to improve the situation. I appreciate this might be a frequently covered topic but from the few posts I've seen it looks like removal of rear bulkhead is the only option.
  12. Well I could deliver it. I sometimes i make my way to plymouth. I would hate to scrap a perfectly good axle. I don't suppose you might have a 3.54 diff to fit my front axle? That would be very handy. I believe its a 10 spline.
  13. 70mph at redline yes. But who drives around at redline? Again, how are you calculating your speed? My friend would constantly boast about doing 70mph in his series 2A fitted with a 200tdi until he blew it to pieces driving up from leeds to Scotland. Again his speedo would show 70mph but in reality it was not close to real speed.
  14. 1-ton box would give me 3900RPM at 50Mph... I'm not even close to 3000 at 50mph. Petrol I would assume would be much more derivable then a diesel at high revs.
  15. Let me know. I may just weigh in the axles then. Half shaftss worth keeping? They are in great condition.
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