I have a feedback control single bbl. carb.,that I purchased this year.Fresh rebuilt and it ran excellent on my truck till I changed the motor from a 300-4.9 6cyl. to a 302.I paid $235.99 for carb. will sell for $100.If you need any info.contact me at( snipped-for-privacy@webtv.net.)This carb. will fit 84thru 86 f150 and E type vans.Thanks Bobby