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SDCE How much boost (estimate)
SDCE How much boost (estimate) Motor is being forged and will have stock heads and 9.5 compression. I have a D-1SC w/ sdce with a 7.25 in crank pulley and 3.4 in blower pulley. I am only going to spin the motor to 6300.........I have headers, tr224, fast 90, and twin 4.5" intercoolers..
do you think this will be over 15psi?
do you think this will be over 15psi?
yea...347
with the 6-rib and a 3.4" blower pulley (was slipping) I was seeing 10psi on the gauge and 2-bar map sensor was showing 12psi....but then again, I wasn't watching the gauge on the street
I just don't want to go over 15psi
with the 6-rib and a 3.4" blower pulley (was slipping) I was seeing 10psi on the gauge and 2-bar map sensor was showing 12psi....but then again, I wasn't watching the gauge on the street
I just don't want to go over 15psi
you'll be spinning the blower a little above 55,000 rpm's. I'm gonna say about 13psi. my last 347 set-up made between 13-14psi at 57,000 but that was at a 7,000rpm shift point. 8 rib 7.65/3.85 D1SC with no belt slip.
It should be about 16-17psi with that pulley combo on a 346. My 402 was seeing about 16.3 with the 7.25" crank and 3.4" blower pulley. Just make sure you don't have any boost leaks, and that the belt is isn't slipping.
With a 222/228/115LSA, 9.5:1 347 I saw around 16psi at sea level at 6300rpm with the D1SC 7.25/3.4. That was with a FMIC so you will probably see a little less, depends on the DA you usually run in as well..
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I had the same cam with 205 AFR's. With the 3.7 blower/ 7.25 lower sdce I saw almost 15#'s of boost but thi was at 7000rpm. Im sure you would see close to what your looking for.
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