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#1
11-25-2023, 03:12 PM
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WTB - 3.25” Main 4.25” Stroke Forged Crank
Anyone have a 3.25 main
4.25 stroke forged crank ??? |
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#2
11-25-2023, 03:24 PM
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74 Ventura 462/#13 heads/3350# 10.38 @ 128.89 MPH, N/A, Stock suspension, 275/60 Radial, Street legal, Tagged & Insured |
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#3
11-25-2023, 03:25 PM
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Are they on back order again?
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#4
11-25-2023, 03:27 PM
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3" mains are out of stock
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74 Ventura 462/#13 heads/3350# 10.38 @ 128.89 MPH, N/A, Stock suspension, 275/60 Radial, Street legal, Tagged & Insured |
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#5
11-25-2023, 04:29 PM
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3.25" are showing in stock and just what the original poster has requested.
Best he get on it. |
| The Following User Says Thank You to 65madgoat For This Useful Post: | ||
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#6
11-26-2023, 08:11 AM
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I have an RPM one. Straight shot oiling. Brand new in box. In Canada and there heavy as hell.
https://rpminternationalinc.com/cran...80-stroke.html
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68 Firebird. IA2 block, 505 cu in, E-head, Solid roller 3650 weight. Reid TH400 4:11 gear. 29" slick. Best so far 10.12@133 mph. 1.43 60 ft. 76 Trans am, TKX .81 o/d, 3.73 Moser rearend, 468 with KRE D-ports, Doug headers, 3" Exh. |
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#7
11-26-2023, 12:08 PM
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What rod journal size? 2.20 or 2.25?
I have a SM 4.25 stroke 3.25 main with 2.20 rod ends. New in box, never used since the 455 block I got was cracked. I’m about an hour drive away from you. PM me if interested.
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Systems under stress fail catastrophically |
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#8
11-26-2023, 05:24 PM
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Quote:
I bought a 3” main 4.25 stroke from SM some years back and had to return it cause the RJs didn’t match the listing.
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Will Rivera '69 Firebird 400/461, 290+ E D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears '64 LeMans 400/461, #16 Heads, HR 230/236, TKO600, 9inch Rear, 3.89 gears '69 LeMans Vert, 350, #47 heads: Non-running project |
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#9
03-17-2024, 05:03 PM
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Quote:
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