86 block is a Mexican block I believe. No coolant passages between the cyl walls. Means you can bore .040 over w/out problems. I have another 86 block you can buy or if you really dont want valve reliefs I also have an 89 block with stock ported heads, B-303 cam and 1.7 rockers.
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93 GT 306 DSS, O-Ringed, AFR 185's, Pro Products Intakes, 55lb low imp inj, 80mm Pro-M meter, 2004 PMS, AFM Power Pipe, Kirban Reg, Vortech S-Trim 14lbs. No times yet. Trying to tune.
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