Whipple 2.3 is it too small for a 540 cid bbc?
#12
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Joined: Oct 2013
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From: Salisbury N.C.
by the time you spin that 2.3 fast enough to make decent boost , it will have heated the air highly and will be very little gain.
Id atleast step up to a 3.3 or 4.0 . You can spin them slower and not heat the air excessively .
Id atleast step up to a 3.3 or 4.0 . You can spin them slower and not heat the air excessively .
#14
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From: Somewhere between Santa Barbara and San Luis
#15
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Joined: Aug 2016
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From: Melbourne,Australia
For the 3.3 L
‘You would need a Tuner kit less intake and intercooler They are about $5500.00’
#16
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Joined: Jan 2016
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From: San Tan Valley AZ
It could work decently. Reduce the cam overlap to 0 if possible to maximized cylinder fill. That will allow it to be efficient as possible without having to spin it faster than needed due to boost going out the exhaust in overlap
#17
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From: taxachusetts
it will be interesting to see what 0 scavaging has on higher rpm operation.I'm not a fan of 0 overlap,even on turbo motors.
#18
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From: San Tan Valley AZ
A turbo has is much different than a blower. A turbo has insane back pressure to deal with and needs help to get moving. A positive displacement motor does not require scavenging from the exhaust to get the intake moving because as soon as the valve cracks open the boosted charge is feeding the cylinder instantly. Opening ivo early blows it out the exhaust as well as creates pumping loss and closing the exhaust late reduces boost as it blows out the cylinder. Not a huge issue if the blower is large as it has the excess cfm to create good boost and power but with it being on the small side there is no room to waste the charge which requires a more blower specific cam. Will it make power with overlap. Yes. It will make more in this case by reducing overlap by allowing a lower ratio to meet the same boost
#20
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From: San Tan Valley AZ



