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a badly sick 1998 corvette

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Old 02-09-2017, 12:27 AM   #1
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Default a badly sick 1998 corvette

i have a 1998 corvette, its run like a old boat.
the car was running great before i change some parts
new sparkplugs bosh (super 4) and sprkplug wire
change oil pressuresender
new oil and filter
new exhaust ( obx longtube headers)
some one know wy its runs like this? look down for the youtube link
i see the intake manifoild looks like the screw have been push to hard, and its looks like someplaces under were the gasket is he was a little deformated...
can it be i need new manifould, or oxygensensor the new sparkplugs ??
in the movie you can hear its like he have a air leak when i push the trottle... or shud it be like this?

Movie : https://www.youtube.com/watch?v=buUY...ature=youtu.be
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Old 02-12-2017, 05:43 PM   #2
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It's those crap *** plugs. Swap to NGK TR5's or TR6's, gap them and you'll be good to go.
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Old 02-12-2017, 07:25 PM   #3
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that is where I would start as well - always avoid gimmicky plugs and go with NGK , ac delco or even autolite copper cores
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