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Going to longtubes

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Old 06-27-2009, 06:57 PM
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Tony71502
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Default Going to longtubes

How much would going to longtubes hurt performance on a stock 5.0?
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Old 06-27-2009, 10:22 PM
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AdderMk2
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slight loss of low end torque, but you will pick up high rpm HP (where the 5.0 goes flat)
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Old 06-29-2009, 08:20 AM
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Tony71502
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Should I go with 1 5/8" primaries or 1 3/4"? I'm planning on saving these for the sc stroker.

How much harder are they to get in?
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Old 06-29-2009, 09:26 AM
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1-3/4 would be best for an SC stroker, 1-5/8 on a stock engine-mild HCI
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Old 06-29-2009, 09:29 AM
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Tony71502
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Would throwing 1 3/4 inch LT's on a mainly stock 5.0 reduce back pressure too much? I'm planning on a 2.5" H w/ cats into a 2.5" catback w/ muffers and 3" tips.
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Old 06-29-2009, 10:28 AM
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Originally Posted by Tony71502
How much would going to longtubes hurt performance on a stock 5.0?

i know when i had my 95 dynoed years ago with just lt, o/r h-pipe cai, pulleys and a fresh motor it made 209 275 so it felt plenty torquey
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