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  • Users: Spimage
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  1. Spimage

    Dry Sump Breathing?

    I am running a Cobra Replica with a Chevy V8 377 cu.in., with a dry sump, 3 stage pump, ( 2 scavenge, 1 pressure ). A breather on the one valve cover and a PCV valve on the other, going to the throttle body. From the resevoir tank ( capacity - 8 liter ) I have a 1/2" flexible pipe to a...
  2. Spimage

    Throttle Body - What size do I need?

    I have a 377 cu in Chevy V8 with all the mod-cons incl. the "Haltech" fuel injection / management system. My problem is that on the 'Dyno' it is peaking at 200 kw at 5500 rpm and holding this through to 7500 rpm. I suspect this due to restricted breathing, the size of the throttle body is a 4...
  3. Spimage

    Scrub Radius, effect on steering centralising ?

    I am currently running zero 'Scrub Radius'on the front wheels of my Cobra. My question is, what effect (if any) will a positive or a negative scrub radius have on the centralising of the steering, whilst moving in a forward direction? Rod end bearings are used on upper and lower control arms...
  4. Spimage

    Fuel Injection, What pump to use?

    I have a 377 cu in chevy motor in my cobra (Prototype) and am having a problem with the fuel injection system,in that, I'm told that the system needs a constant 3 bar (50lbs) pressure up to max revs. However, on the dyno, at 4500 rpm the pressure starts to drop off. I need to decipher what fuel...
  5. Spimage

    Adjusting Corner Weights ?

    I need to set the corner weights on a Cobra replica in order to optimise the handling of the car. Any tips on the proceedure to achieve such, would be appreciated. (The car has coil over adjustable shocks and adjustable torsion bars, both front and rear.
  6. Spimage

    Castor Angle? Help

    I am running 1.5 deg. castor on my cobra replica,(double wishbone) & find the car is not "Tracking" too well. I plan to fabricate new upper & lower control arms, however, before I do, I am hoping that someone out there can give me an indication as to what an 'ideal' castor angle would be.

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