07-26-2021, 04:34 PM
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#10 (permalink)
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Base Member
Join Date: Apr 2013
Location: Manahawkin NJ
Posts: 105
Drives: 12' Roadster Sport M
Rep Power: 14
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Quote:
Originally Posted by TopgunZ
I never sent any RPM belts with the ACE kit. I do however send them with the Rotrex. Turns out the RPM belts actually have a big variance in length over the standard belts, even if they have the same number/length. On the Rotrex kits the RPM belt on the supercharger will have a ton of clearance and can be placed on without even touching a pulley. The regular 10 rib belt needs to be rolled on and is a challenge. Theres like over an inch of difference.
If you run the setup I sent with the ACE kit then the idler should be on the bottom with the K071065.
If your shop changed that and moved the idler to the top then your belt should be the K071045
I am unsure what size your silver pulley is. I am guessing they also changed this and thats why your boost is so low. The ACE kit will consistently make 14-15psi with the setup I send. You should go measure that pulley.
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So I measured across the face of the silver pulley and it appears to be 2.75 in. in diameter. I also noticed that in the install instructions there seems to be a silver pulley as you can see in the pic and in the pic later in the instructions it shows a black pulley. Not sure if you switched pulleys at some point during an upgrade of this kit. I'm wondering if my OEM tensioner pulley needs to be replaced but I also see that Redondoaveb had mentioned that you may have a different tensioner pulley available?
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TopgunZ C38R SC // Rotrex // CJM // ID 1340cc // Walbro 525 Hellcat // Ecuteck // 4 Bar Map Sensor // Z1 Oil Cooler // Tial // Prosport JDM // South Bend Stg 3 // ACT // RT Tuning Install and Tune // Motordyne ART // Berk CBE // Michelin PS4S 305/30/19R 265/35/19F
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