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if you meant to ask roller cam vs flat tappet, i believe it was flat tappet AT LEAST until the other gm v6s went roller cam in the late 80s but It may honestly follow when the small block did because of the fact it would probably have same/similar partsI was just wondering if my truck has hydraulic lifters? just a question of mine.
uh...Thanks for yall bit of knowledge. Should i add a zinc additive just incase?
I think the 1st solid lifter Chevy V8 was the "Fuelie" 283 in 1957 with the "o97: cam. Probably the most famous was the "30-30 Duntov" in the 60s 327. Then the Z/28s in the late 60s early 70s.the only chevy motor I have ever seen with solid lifters was a dual carb corvette 427
I understand that.uh...
That doesnt seem like a natural extension of what has been discussed
if your engine has flat tappet, you would be wise to use something with a bit of zinc to a reasonable degree to prevent wear, dont go dumping in a bottle of additive tho because it would be promoting wear
well u have the dz302 the lt1 350 the 360 and 375 hp 327 corvette eng the 396 375hp the l72 427 l88 427 all had solid liftersthe only chevy motor I have ever seen with solid lifters was a dual carb corvette 427
I think it went roller lifters in 88 or 89 according bro a video Square body Stuff on YouTube did on the 4.3 just a few weeks ago.IIRC, the 4.3 V6 design is just a Chevy V8 with two cylinders cut off, so it would have hydraulic lifters. Keeping the design similar to the SBC allowed GM to use a lot of SBC parts and accessories.