mfg Posted August 6, 2015 Report Posted August 6, 2015 What is closer in design to the R3 carb air box........a '57 GH carb air box or a '58 GH carb air box?
mfg Posted August 7, 2015 Author Report Posted August 7, 2015 ANSWER......The '58 GH airbox is more like the Avanti R3 type than the '57.....Why?.......THe '57 box was 'hard plumbed', while the '58 box, like the R3 box, relied on grommets to seal the fuel line entrance!
brad Posted August 8, 2015 Report Posted August 8, 2015 No, it's closer to the 57 airbox. You have to remove the R3 Emblem to adjust the idle screws. The early 57s also had plugs to remove to adjust idle.
mfg Posted August 9, 2015 Author Report Posted August 9, 2015 Disagree....although the early '57 GH air boxes had the 'plugs' you refer to, those plugs are not a screwed on cap as the R3 box utilized. The 'hard plumbed as opposed to grommet' fuel line entrance is much more fundamental to the overall systems performance (IMHO)
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