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503/510 ECU's in B23s 200 1983

Hello VolvoG's
What's this I hear that the 503 or 510 ECU's in B23's were crappy..I thought these were the bulletproof one's !!(I have a rebuilt 561 for my 89 B230). Do I need to start looking for a rebuilt one for the 83 as well??
What are the "good"numbers to replace the 503/510??
GIA,
el Raidman






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New 503/510 ECU's in B23s [200][1983]
posted by  raidman  on Sun Dec 1 15:35 CST 2002 >


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