TPI Questions

[George M. Dailey]

If it makes you feel any better, I could get only about 6 degrees max on 87
octane regular. -no EGR-
GMD

At 07:06 AM 8/14/97 -0700, you wrote:
>Sorry I'm a bit late replying to this mail, but here goes.  Yes it pings
>without egr, mind you I have never tried it with egr so I can't compare.  I
>left egr off for the reason of getting max power, to combat the pinging I
>have to run no more than 4deg advance and avgas.  But I'm happy now.  All I
>need now are some rear tyres with grip.
>
>Dan     dzorde$geocities.com
>
>>
>>
>>
>>
>>I was hoping someone would jump in here.
>>
>>Do you have any evidence of the engine knocking without EGR?
>>
>>I have the same question - do I want it or not?  I'm also not concern with
>>economy, only power.
>>
>>
>>
>>
>>
>>>I'm lost, for a performance engine, do you want egr or not ?  When I built
>>my tpi 350, I pulled the egr valve and stuck >a blanking plate over the
>>hole instead, oh, I also put the little metal plates in the manifold
>>gaskets where the egr is >meant to breathe through.  Was this a mistake (I
>>don't care about economy, only power)?>>
>>>
>>>
>>>Dan     dzorde at geocities.com
>>>
>>>
>>>The EGR valve is still present and connected, but doesn't actually do
>>>anything since there isn't a supply of exhaust gas to the valve.
>>>
>>>Grounding the EGR feedback wire will set off the SES light (it simulates
>>>the EGR being stuck in the open position)
>>>
>>>Leaving it disconnected will also occasionally set off the SES light
>>(there >are a few cases where the ECM will command the EGR to actuate, then
>>look to >see what happened.)  Fortunately, temps down here are high enough
>>that this >doesn't happen often.  (been about 4 months since the last time
>>the code >went off) It will also clear itself within a few minutes of
>>driving.
>>>
>>>Someday I'll have an EGR flange welded to one of the exhaust headers to
>>>supply external EGR.. but it's a low priority.
>>
>>
>>
>>
>
>
>
George M. Dailey
gmd at tecinfo.com