Needle codes for SU carbs
Here are a selection of needles codes and the vehicle specs that they were used in...
EB - 850cc and rebores, 920cc, 1.25SU, 9:1 CR
ADE - 998cc, HIF38, Metro inlet, std filter, free flow exhaust
ABY - 998cc, 12G295 head, HIF-38, Stub Stack, K&N, 3 into 1, RC 40, std cam
AAU - 1100cc, 1.5in SU, 3into1, heated inlet, RC40, K&N
AAA - 1275cc, HIF38, 9.5:1CR, conical filter
BFY - 1275cc, HIF44, Standard Rover Cooper setup
BEJ - 1275cc, Standard 1.3 Metro
AAB - 1275cc, HIF44, LCB, Alloy inlet, RC40, K&N
BDK - 1275, stg1
BDL - 1275cc, HIF44, 9.75:1CR, MG inlet, LCB, RC40, K&N, std head
BDL - 1275cc MG Metro standard
BDL - 1293cc, HIF44, 1:10, heated inlet, LCB, K&N, stub stack
BDL - 1380cc, HIF44, 1:10, heated inlet, LCB, K&N, yellow spring
BDL+ - 1310cc, HIF44, stg2 head, 276 cam, big bore exhaust
BDL+ - 1330cc, HIF44, 11:1CR, MG inlet, LCB, RC40, K&N, 37x29, 286
BDN - ?
BDP - ?
BDR - 1380cc, HIF44, alloy in., LCB, K&N, stub stack, 285, MG Metro head.
BBW - 1380 with Twin 1 3/4" HIF carbs
'+' denotes that the profile was filed at the top end slightly to richen it.
The Axx and Bxx letters denote jet size. A for HIF38, B for HIF44. A will work in B (rich) but not vice versa.