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Message: <blockquote data-quote="Paul" data-source="post: 334269" data-attributes="member: 9404">I used to use a tuned stock T4M0, but then switched to an AEM. If I had it to do over again, I'd go straight to a FAST XFI.My old 418 (if memory serves) was:Forged 4340 Nitrided 4.100" SCAT CrankForged 4340 Eagle H-Beams, 6.200"Ross custom piston - 9.8:1 CRPorted TFS TW HeadsPorted Edelbrock Performer RPM intake, 75mm TB, 80mm MAFLunati 51018, (.536"/.536", 218/228, 114) (that's very small for such a big motor)Shorty headers, stock h-pipe (really), 2.5" catback347rwhp/442rwtq n/a467rwhp/615rwtq 150 shot12.88 @ 111mph on 275 kumhos, absolutely full weight (3680 lbs w/o me), no sprayThe new motor (422) is a bit more aggressive:SCAT Forged 4340 Nitrided CrankOliver Billet 6.200" RodsRoss Custom Pistons, 8.8:1 CRBrodix M2 Track 1 CNC headsTFS-R Intake, 90mm Accufab, no MAFFTI Cam (.576/.569, 234/236, 114 LSA) (still pretty mild)Accufab 1 3/4" mid-lengths with dual mandrel-bent custom stainless exhaust, cats, magnaflowsNo numbers or track times. Awaiting more mods and T-trim install.There's pictures around - just search through some of my posts. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" />Paul.</blockquote>