Ferrari Mailing List: Re: Cleaning femal ends of relays procedures and spark plugs

[Clyde Romero (clyderomerof4]

Backfires usually indicate a timing issue

In victory you deserve Champagne

In defeat you need it!

     

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You miss all the fun! 

Clyde Romero

Clyderomerof4 [at] bellsouth.net.          

678  6419932

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On Aug 25, 2014, at 6:54 PM, Michel Savard <mysavard [at] videotron.ca> wrote:

 

O.k. I followed someone's advice and bought the aerosol can to clean the female ends of the relays. The clerk told me to unplug the negative on the battery and shoot the spray inside the slots (female ends) of the relays. Wait 15-20 minutes and put eveything back together. Anything else I need to know ?

I also got a new relay. Didn't want to take any chance.

 

Also, I decided to switch from NGK BPR7ES to BPR5ES. This could/should fix my constant backfires (small ones) I had when I was stuck in traffic in 2nd and 3rd gear at around 3,000 rpm when the engine was very hot and temperature was hot and humid. This problem has been going on for 3 summers now. Plug wires were changed, connectors, injectors, gasket job was done last year, etc. This problem started as I stated 3 years ago when I put BOSCH spark plugs in. The clerk didn't have what I wanted and he said 'my computer says those BOSCH plugs are the equivalent of what you usually put in'.

A week later HORRENDOUS backfires going on for about 2 miles while driving back home. Changed back to NGK (#7) but small backfires have been constant ever since.

A mechanic (he has the same Ferrari as mine) told me that changing back to NKG BPR5ES might be the solution.

Next wekend I'll do all those things and test the shit out of it.

I'll keep you posted.

 

Michael Savard (1981 308 GTSi)

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