[doc] Re: Rich H and Chrispy to the rescue :o)

["Claire Usher" <claire_usher71@xxxxxxxxxxx>]

Hi Nick, 

cheers for the advice there, I'll give that a go at the weekend 
whilst I'm doing a few other little jobs :o)

I did have to have the complete inlet manifold replaced as there was 
a hole in it causing a massive vacuum leak, but I'm not sure if the 
throttle body was also replaced at the same time 'in one lump' so to 
speak.

I did have a new throttle body about 3 years ago, but its only 
recently (since the 170bhp upgrade) that the backfiring and flames 
have started).  Richard thought it might be down to the poppet valves 
too.

I'll let you know how it goes.

Cheers,

Claire
#2292
DOC170


--- In doc-uk@xxxxxxxxxxxxxxx, Nick Tomlinson 
<nickandkathryntomlinson@...> wrote:
>
> i bet you any money you have had the throttle plates swapped from a 
volvo one and these do not have the poppet valves fitted so on the 
over-run the engine overfuels.
>    
>   try seating the brass screws, then unscrewing the 2 nearest the W 
pipe 12 flats (2 turns). Then, run the engine to normal temperature 
then unscrew the back one (nearest the metering flap) open until the 
engine revs just increase then back it off 1.5 flats. This should 
give more air bypass round the throttle plate instead of just through 
the idle speed motor. Give it a go, this is how I set the engines so 
that the idle oscillation is minimised.
>    
>   Glad your car didn't go up in flames!
>    
>   NickT.







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