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The Terminator
Terminator Talk
So why return fuel system?
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<blockquote data-quote="Quick Strike" data-source="post: 15641681" data-attributes="member: 11920"><p>Milne is in the mid 700s with a returnless system. It is at 65% duty cycle on a 93 octane and Torco tune. It was tuned almost seven years ago and still has no issues. The system is composed of a Fore hat, GT pumps, MDM Jr. (two channel FPDM), KB BAP, wiring upgrade, stock lines/rails and 60# injectors. Similar results could be reached with two FPDMs since the MDM Jr, is no longer available. The GT500 used a similar returnless dual FPDM system for a while that could be driven over 1000 RWHP with just a BAP. </p><p></p><p>The returnless system can be difficult to tune retaliative to the tried and true return system that anyone can make work. These tuning issues increase as more is demanded of the stock returnless system. Pressure spikes can leave the returnless system sidlined if tuned incorrectly and the BAP increases the possibility of spikes when run full time. The other issue is that the system can not easily support the volume of fuel that is needed for E85. I am at 65% DC on 93 octane, but would be maxed or beyond maxed on E85.</p></blockquote><p></p>
[QUOTE="Quick Strike, post: 15641681, member: 11920"] Milne is in the mid 700s with a returnless system. It is at 65% duty cycle on a 93 octane and Torco tune. It was tuned almost seven years ago and still has no issues. The system is composed of a Fore hat, GT pumps, MDM Jr. (two channel FPDM), KB BAP, wiring upgrade, stock lines/rails and 60# injectors. Similar results could be reached with two FPDMs since the MDM Jr, is no longer available. The GT500 used a similar returnless dual FPDM system for a while that could be driven over 1000 RWHP with just a BAP. The returnless system can be difficult to tune retaliative to the tried and true return system that anyone can make work. These tuning issues increase as more is demanded of the stock returnless system. Pressure spikes can leave the returnless system sidlined if tuned incorrectly and the BAP increases the possibility of spikes when run full time. The other issue is that the system can not easily support the volume of fuel that is needed for E85. I am at 65% DC on 93 octane, but would be maxed or beyond maxed on E85. [/QUOTE]
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So why return fuel system?
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