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Toymods » Track Talk » Why quads should be boxed (Lessons learnt at Mallala)

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takai
Forums Junkie


Location:
Adelaide
Registered:
May 2003
 
Re: Why quads should be boxed (Lessons learnt at Mallala) Tue, 26 April 2005 22:13 Go to previous messageGo to previous message
emmac wrote on Wed, 27 April 2005 01:08

Takai
I am very sorry to see the mess. Nasty, but could very easily have been lots worse. You have got my intrest. Do you really think that's how it caught fire?. How & why did the throttle get stuck open?. Was it wide open?. Did you switch it off as soon as you realised? or was it running at WOT for about 3 mins. before the h.p.fuel lines split & "whooshed", or was the engine stopped when the lines split, with the fire still going? If so how come the extra fuel didn't ignite? & if the engine was stopped how come it still had full fuel pressure? I feel it's important to do a very thorough & comprehensive post mortem in an effort to find some answers as to what really happened & why.
Good luck
emmac



Well given that one of the most exposed wires (ran across the top of the cam covers) was the ignition wiring im pretty sure thats why the engine died. Not entirely sure how the throttle got stuck wide open yet, and i dont have the car back yet (sitting in a local workshop until i get time on Thursday to pick it up), but i will be investigating that one.
Engine was definately stopped when the lines split, and the fire was quite definately still going, and yes the extra fuel did ignite. EFI systems dont drastically reduce in fuel pressure when they are just turned off, would have still been maybe 20-30psi in the high pressure lines.

Dont worry about the post-mortem, ive been through this several times now.
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Read Message   Why quads should be boxed (Lessons learnt at Mallala) takaiMon, 25 April 2005 12:51
Read Message   Re: Why quads should be boxed (Lessons learnt at Mallala) 4ageezaMon, 25 April 2005 13:25
Read Message   Re: Why quads should be boxed (Lessons learnt at Mallala) ArchMon, 25 April 2005 13:31
Read Message   Re: Why quads should be boxed (Lessons learnt at Mallala) rob_RA40Mon, 25 April 2005 22:41
Read Message   Re: Why quads should be boxed (Lessons learnt at Mallala) Simon-AE86Tue, 26 April 2005 07:25
Read Message   Re: Why quads should be boxed (Lessons learnt at Mallala) ae86driftTue, 26 April 2005 07:44
Read Message   Re: Why quads should be boxed (Lessons learnt at Mallala) takaiTue, 26 April 2005 07:48
Read Message   Re: Why quads should be boxed (Lessons learnt at Mallala) ae86driftTue, 26 April 2005 07:57
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Read Message   Re: Why quads should be boxed (Lessons learnt at Mallala)  takaiTue, 26 April 2005 22:13
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