Where can I get ignition map sample ?

[Rob O]

For your car I cannot say exactly what is ideal... get a J&S and see how
much timing it wants to pull.

A reasonable number would be around 20 degrees timing at full boost
assuming fuel curve is correct

Rob_O

RD1ªL¥x¥Í wrote:
> 
> There is no big holes in the top of piston.
> But the pistion rings melt into a mass.
> In other words, the flank of piston is damaged.
> 
> How much timing is safe under boost ?
> 
> Regards,
> Tyson.
> 
> -----Original Message-----
> From: Rob O [mailto:rjo1 at home.com]
> Sent: Monday, January 15, 2001 11:58 AM
> To: diy_efi at diy-efi.org
> Subject: Re: Where can I get ignition map sample ?
> 
> That much timing under boost is probably what blew your engine. You need
> the timing to drop under boost. Most of the people I know of running the
> Haltech are also using the J&S knockguard, the new version even allows
> you to modify the timing curve while under boost
> 
> What was the failure mode of the engine? Big holes in the top of the
> pistons?
> 
> Rob_O
> 
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