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In the chart it has the 2.85 only upper spinning the SC 18,665 rpm for a boost increase of 3 to 3.5 psi. The chart says the 3.1 combined with the lower gives a SC rpm of 18,661 but boost increase of 4 to 5 psi??. HellCat.org is a forum dedicated to the Dodge Challenger and Charger SRT Hellcat & Demon. Discuss modifications, engine specs.

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There's a larger 2.7L supercharger and 14.5 psi of boost, versus the Hellcat's 2.4L supercharger and 11.6 psi of boost. The Hellcat cuts out 300 rpm before the Hellcat HO engine, which redlines at.

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The New Dodge Hellcat "Goblin" May Be a 21.6-PSI Boost Monster, Teaser Suggests Published: 2 Mar 2023, 14:24 UTC • By: Mircea Panait Dodge continues to tease its ultimate muscle car, a.

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How much boost can a stock Hellcat handle? The supercharger gets a boost from 2.4 liters to 2.7 liters over the regular Hellcat, with increased boost pressure from 11.6 pounds per square inch up to 14.5 psi in the Redeye.

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Define max boost? Max safe boost is about 18psi, anything beyond that and you're on borrowed time. Changing out the TB to a larger TB with a proper tune is a good supporting mod when increasing the HP on these cars. Current: 2021 Camaro ZL1 - Red Hot A10 - Vengeance Racing Stage III Sold: 2021 Durango Hellcat, 2020 Corvette C8 Z51,

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Development of the new Dodge 6.2-liter supercharged Hellcat Hemi engine focused on two parallel objectives: make more than 700 horsepower, and make it live. To achieve the former, a 2.4-liter twin-screw supercharger provides nearly 12 pounds of boost to produce 707 horsepower with 650 lb-ft peak torque.

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Regular Hellcats make do with a 2.4-liter supercharger and 11.6 psi of boost. The Redeye's redline is also higher, 6500 rpm compared to 6200 rpm, and to properly feed the beast, it has two fuel.

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#3 · Aug 21, 2020 ChallyTatum said: What altitude are you at? How much Boost does a stock Hellcat suppose to have? Hi everyone, Just wondering how much is the normal amount of boost for a stock 18 hellcat? Mine has 11 psi. Is their anyway to increase the boost without changing any pulleys?

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Boost Pressure Jump to Latest Follow 30K views 49 replies 20 participants last post by KDiesel Jul 5, 2017 7 7777.775 Discussion starter 3166 posts · Joined 2014 #1 · Dec 24, 2014 Hey Guys and Gals, Am I reading this right, 30 PSI boost max. on the Cat?

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#1 I live at about 5500 feet and been trying to eye up my boost gauge at times. I got my car in September which was still warm, and now we're of course into the winter. It seems like I was makng 11 psi when it was warm, 12 psi now when it's cold. Stock boost at sea level is supposed to be 15 psi?

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The Hellcat has a 2.4-liter twin-screw supercharger V8 Hemi that produces 11.6 psi of boost. Hellcat Redeye models are even more menacing. They feature a larger 2.7-liter twin-screw supercharger.

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AAD Billet Hellcat/Demon Boost Reference Adapter - AADBRA. This a complete bolt in adapter to run a boost-a-pump, boost gauge, or any use of boost reference. NO MORE REMOVING, DRILLING, AND TAPPING your supercharger lid. Comes with billet aluminum adapter, viton o-ring, and stainless steel bolt, everything you need to easily add a reference port.

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Your Estimated Boost is: 11.0 PSI Upper (Supercharger) Pulley Diameter Lower (Crankshaft) Pulley Diameter Calculate Boost Quick FAQ Q: What's the stock Hellcat blower size? A: 2.4L Q: What's the stock Hellcat upper pulley diameter? A: 3.35" Q: What's the stock Hellcat lower pulley diameter? A: 8.184"

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Thread: Hellcat Boost rescale (Adding 2 psi) Thread Tools. Show Printable Version; 10-07-2023 #1. christianreid22. View Profile View Forum Posts Private Message Tuner Join Date Jan 2022 Posts 78. Hellcat Boost rescale (Adding 2 psi) Hello everyone, looking for a quick tip or things to look for when tuning for a new pulley set up..

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Just wondering how much is the normal amount of boost for a stock 18 hellcat? Mine has 11 psi. Is their anyway to increase the boost without changing any pulleys? Thanks PB, 2/08/20; 10.42 @ 135.26 1700DA New personal best on 1/18/20; 10.43 @133.68 in 1500 DA 1.54 60' with OST DYNO tune on 100 octane

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#1 · Sep 11, 2017 (Edited) Hey guys. I have a completely stock 2017 HC charger. Every time I've ran it hard, the most I've seen on the boost indicator is 10 psi. Have tried at various ambient temps ranging from low 70s to mid 90s. Always run 93 octane gas. Is anyone with a STOCK HC seeing more than 10 psi of boost? If so, what's the secret? Reply