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2blu442 · 12-05-2006, 06:04 AM

Check just to the left of the #1 or #8 sparkplugs, there will be a large letter cast into the head, maybe inch or more tall. The number one is on the drivers side closest to the radiator, the eight is on the passenger side closest to the firewall. A-1965, B-66, C-67 through 69, D-68,69 W30, E-70, F-70 W30, G-71, H-71 W30, Ga-72, J-73 through 76. A&B came on 400's and 425's but will fit the 455 as well.

12-05-2006, 06:04 AM	#5 (permalink)
2blu442 Senior Member Join Date: Sep 2006 Location: Medford, Oregon Posts: 935	Check just to the left of the #1 or #8 sparkplugs, there will be a large letter cast into the head, maybe inch or more tall. The number one is on the drivers side closest to the radiator, the eight is on the passenger side closest to the firewall. A-1965, B-66, C-67 through 69, D-68,69 W30, E-70, F-70 W30, G-71, H-71 W30, Ga-72, J-73 through 76. A&B came on 400's and 425's but will fit the 455 as well. __________________ 1964 Cutlass Factory 4spd 1965 442 4spd 1967 442 Auto 1967 Cutlass Convertible 1968 442 Auto 1969 442 W30 Auto 1970 442 4spd 1971 Cutlass Flat Top Wagon 1973 Che*vy 3/4 Ton 454/TH400 Tow Vehicle Only the tow vehicle is finished!