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Sam454
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Sam454
reacted to
L31MaxExpress's post
in the thread
High compression heads on a TBI 454
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I have swapped a couple TBI 454s to the TBI 366/427 heads. Smaller valves but more compression and more flow. The 366/427 do not use...
Mar 23, 2024
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Sam454
replied to the thread
High compression heads on a TBI 454
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8.5 after upgrades. a point higher than the stock engine at ~7.5
Mar 23, 2024
S
Sam454
posted the thread
High compression heads on a TBI 454
in
Engine Performance + Maintenance
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Hello, I have put together a build list for my 1993 c2500 with a TBI 454. I figure the abysmal compression ratio could be boosted to...
Mar 23, 2024
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