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Corvette
C4 Forum
1992-1993 years
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<blockquote data-quote="VikingTrad3r" data-source="post: 279548" data-attributes="member: 2229"><p>“issues” are minor. </p><p></p><p>the LT1 engine uses an optispark “distributor” which does not lolk like a normal dizzy that hets “stabbed” into the intake. Rather the optispark mounts to the fromt of the engine under the waterpump. </p><p></p><p>The early optispark is sensative to moisture, but its by no means a serious issue. It may happen to yours or your candidate, but personally if i were to buy an lt1 i wouldnt be losing sleep over it. </p><p></p><p>due to the sensativity to moisture, the position under the water pump meant that when the water pump fails, it dribbles water right onto the optispark. </p><p>a drain tube from the water pumps weep hole should be installed. </p><p></p><p>furthermore the later optisparks had vents installed in them. there is a fantastic video on youtube on installing your own factory appearing venting setup. </p><p></p><p>LT1’s are really good, like all c4’s they are in the constant preventative maintenance stage of thier life. </p><p></p><p>which car are you considering? link?</p></blockquote><p></p>
[QUOTE="VikingTrad3r, post: 279548, member: 2229"] “issues” are minor. the LT1 engine uses an optispark “distributor” which does not lolk like a normal dizzy that hets “stabbed” into the intake. Rather the optispark mounts to the fromt of the engine under the waterpump. The early optispark is sensative to moisture, but its by no means a serious issue. It may happen to yours or your candidate, but personally if i were to buy an lt1 i wouldnt be losing sleep over it. due to the sensativity to moisture, the position under the water pump meant that when the water pump fails, it dribbles water right onto the optispark. a drain tube from the water pumps weep hole should be installed. furthermore the later optisparks had vents installed in them. there is a fantastic video on youtube on installing your own factory appearing venting setup. LT1’s are really good, like all c4’s they are in the constant preventative maintenance stage of thier life. which car are you considering? link? [/QUOTE]
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Corvette
C4 Forum
1992-1993 years
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