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Location:
Puckapunyal
Registered:
April 2003
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 Few Small Problems
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Wed, 18 June 2003 09:03
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I have just finished spending a few hundred on the RA28 and took it for it's first big drive and 200km's into the trip the tacho went crazy (jumping) and the engine shortly after lost power and died.
I started it again and after dying a few times it kept surging but straightened itself out after about 3 minutes (i'm thinking dirty fuel) but the tacho is still jumping. As the square pin at the end of my speedo cable came loose (needs crimping again  ) the tacho is the only way I have of keeping note of my speed.
What causes a jumping tacho and what do I need to replace.
The car is a 1977 RA28 with 18RGU and twin dual throat solex's.
Also, occasionally if I am keeping it at speed for say 5 min's without changing throttle I hear something akin to a single Fart coming from the carby side of the engine (could this be blowback or preiginition?) Will a tune fix this, or should I look at carby rebuild kits (or source some webbers?? *GRIN*).
Thanks in advance...
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