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Who has done back back testing cathedral MSD vs Fast 102mm intake?

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Old 02-28-2019, 07:21 PM
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Default Who has done back back testing cathedral MSD vs Fast 102mm intake?

What was the setup and what did you see, graphs?
Old 02-28-2019, 09:27 PM
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I did .

416ci
t56
9" rear

Fast 102 made 581
msd made 605



Old 02-28-2019, 09:38 PM
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Darthv8r did a back to back too on a h/c ls1.

You shoulda got a overlay mavn.

Last edited by HioSSilver; 02-28-2019 at 09:47 PM.
Old 02-28-2019, 10:01 PM
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Graphs arent very informative, cant see rpm axis? LOOKS like it picked up 20 everywhere - no other changes? Few Ive dealt with didnt gain any peak torque
Old 02-28-2019, 11:08 PM
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https://ls1tech.com/forums/showthrea...1856454&page=1

I did them. Overlay is in there too. Lines crossed at 6400.

On larger engine the msd tends to raise the whole torque curve. Smaller engines, it seems to flatten the curve.

There is a lot of commentary in that thread but should have what you are looking for.

After this test I daily drove the msd not the fast
Old 02-28-2019, 11:13 PM
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Thats what I expect to see, we just saw larger losses down low




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