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383 tuning
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lct
New User
| Posts: 1
| Joined: 03/07
Posted: 03/06/07
03:04 PM
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I put a 383 in a 97' suburban and my problem is that It dose not like high rpms. it misfires and does not run smooth? the other question is what is the best plug and gap for it?
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Posted: 10/31/08
07:14 AM
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best plugs are ac delco gap it to .060
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