V6 Chevy 90 degree engines
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The cam and distributors are specific to the 200/229 cid engines and they cannot be interchanged with the 4.3L V6 engine. Distributor bodies used on the V6-90 are identical to the one used for the Chevrolet small-block V8 except for the pickup coil and pole piece assembly. The main difference between the semi-even fire series (200/229) and 4.3L distributors is the 4.3L distributor pickup coil and reluctor wheel has six equal points, one every 60 degrees (6 x 60 degrees = 360 degrees). Also, a majority of the distributors used on the 4.3L has a small distributor cap, same as used on the 2.8L V6 60 degree engine. The small cap/external coil ignition system is commonly used with the TBI and CPI motors. The 1985-'86 4.3L engine used in Chevrolet trucks, vans (including the Astro/Safari) used the traditional large-cap HEI on the RPO LB1 motor. Marine applications used a unique small-capped distributor not interchangeable with those used in automobiles. | The cam and distributors are specific to the 200/229 cid engines and they cannot be interchanged with the 4.3L V6 engine. Distributor bodies used on the V6-90 are identical to the one used for the Chevrolet small-block V8 except for the pickup coil and pole piece assembly. The main difference between the semi-even fire series (200/229) and 4.3L distributors is the 4.3L distributor pickup coil and reluctor wheel has six equal points, one every 60 degrees (6 x 60 degrees = 360 degrees). Also, a majority of the distributors used on the 4.3L has a small distributor cap, same as used on the 2.8L V6 60 degree engine. The small cap/external coil ignition system is commonly used with the TBI and CPI motors. The 1985-'86 4.3L engine used in Chevrolet trucks, vans (including the Astro/Safari) used the traditional large-cap HEI on the RPO LB1 motor. Marine applications used a unique small-capped distributor not interchangeable with those used in automobiles. | ||
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| + | Around the mid-2000s, the traditional distributor was eliminated where coil packs were phased in. | ||
==Intake manifolds== | ==Intake manifolds== | ||
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