MP 2.51" stroker crank - Moparts Forums

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MP 2.51" stroker crank #177068 12/28/08 03:38 PM 12/28/08 03:38 PM
Joined: Jan 2003 Posts: 1,335 Oregon E earlymopar OP pro stock
earlymopar OP pro stock E Joined: Jan 2003 Posts: 1,335 Oregon	I'd like to hear from anyone here who has used the 2.51" Mopar Performance S/B stroker crank and whether you had or did notch the block at all for rod clearance (using stock S/B rods). Thanks, - EM

Re: MP 2.51" stroker crank [Re: earlymopar] #177069 12/28/08 04:10 PM 12/28/08 04:10 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	EM check that # again. Stock 318/340 stroke is 3.31" live every 24 hour block of time like it's your last day on earth

Re: MP 2.51" stroker crank [Re: RapidRobert] #177070 12/28/08 04:22 PM 12/28/08 04:22 PM
Joined: Jan 2003 Posts: 1,335 Oregon E earlymopar OP pro stock
earlymopar OP pro stock E Joined: Jan 2003 Posts: 1,335 Oregon	The crank stroke is correct at 2.51". It was my understanding the the mating Wiseco pistons for this set-up have the wrist-pin centerline moved downward to compensate for the added stroke at TDC, therefore allowing stock rods to be used. Maybe this is an incorrect assumption. - EM

Re: MP 2.51" stroker crank [Re: earlymopar] #177071 12/28/08 04:24 PM 12/28/08 04:24 PM
Joined: Jan 2003 Posts: 9,826 las vegas 70AARcuda master
70AARcuda master Joined: Jan 2003 Posts: 9,826 las vegas	how about a 3.51 stroke crank? a 360 has a stroke of 3.58 and stock rod fit with no added clearance...H beam rods fit with no added clearance... Last edited by 70AARcuda; 12/28/08 04:27 PM. Tony 70 AARCuda Vitamin C 71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield) 71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas) 71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)

Re: MP 2.51" stroker crank [Re: 70AARcuda] #177072 12/28/08 04:34 PM 12/28/08 04:34 PM
Joined: Jan 2003 Posts: 1,335 Oregon E earlymopar OP pro stock
earlymopar OP pro stock E Joined: Jan 2003 Posts: 1,335 Oregon	Correct. Duh. I was too focused on the .51" that I didn't realize I screwed-up the first number. Thanks for correcting me!

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