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EcoBoost Engines
Limits of 3.5 ecoboost?
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<blockquote data-quote="HEMI LOL" data-source="post: 12549099" data-attributes="member: 100034"><p>on a private tour of the chicago assembly plant, it was mentioned that the 3.5EB has held 750hp in testing. in fact the SHO was planned to have 425HP(aimed at SRT8) but between the big wigs at FMC and insurance worries they changed the tune and turbo size to get the advertised 365. with tunes you make around 430-440, up just 3psi more, NO TIMING. </p><p></p><p>now held 750 and HOLDING 750 are two different things. there are a few different SHO guys working on bigger hotsides in hopes to hit 500whp. </p><p></p><p>the current limitation is not the 3.5EB, its the haldex awd system. the rear diff in the sho is currently torque rated at 150lbs. what this means is that when slippage is detected the haldex routes power to the rear, will with 435awhp(the currently most powerful SHO) is that when it launches the haldex sends "too much" power to the rear the PTU shuts the power off to save the system. resulting in a massive bog, until the ECU allows the power back on. </p><p></p><p>until a modification is made for the haldex system or someone runs the car FWD it looks like the AWD is the biggest limitation for the SHO(awd EB cars). it looks like 11.99 will be the fastest a SHO will go for now. </p><p></p><p>as far as the EB trucks just havent been played with enough yet.</p></blockquote><p></p>
[QUOTE="HEMI LOL, post: 12549099, member: 100034"] on a private tour of the chicago assembly plant, it was mentioned that the 3.5EB has held 750hp in testing. in fact the SHO was planned to have 425HP(aimed at SRT8) but between the big wigs at FMC and insurance worries they changed the tune and turbo size to get the advertised 365. with tunes you make around 430-440, up just 3psi more, NO TIMING. now held 750 and HOLDING 750 are two different things. there are a few different SHO guys working on bigger hotsides in hopes to hit 500whp. the current limitation is not the 3.5EB, its the haldex awd system. the rear diff in the sho is currently torque rated at 150lbs. what this means is that when slippage is detected the haldex routes power to the rear, will with 435awhp(the currently most powerful SHO) is that when it launches the haldex sends "too much" power to the rear the PTU shuts the power off to save the system. resulting in a massive bog, until the ECU allows the power back on. until a modification is made for the haldex system or someone runs the car FWD it looks like the AWD is the biggest limitation for the SHO(awd EB cars). it looks like 11.99 will be the fastest a SHO will go for now. as far as the EB trucks just havent been played with enough yet. [/QUOTE]
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Limits of 3.5 ecoboost?
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