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08-04-2025, 08:05 PM
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#1 |
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Registered User
Join Date: Apr 2013
Location: Adirondack Mtns. NY
Posts: 25
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454/4L80 swap
Time to upgrade the 71
Going on blocks soon, going to do a 2/4 drop static, rebuild all bushings and install CCP upper arms. Have a 94 454 and 4l80 I'm going to go through and install at same time I miss having 500+ftlb to play with 😁 Donor is a complete 94 gmc suburban 2500, all other parts are for sale
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2011 Yukon XL Denali 1994 GMC Suburban 2500 454 1971 Cheyenne Super SB 1966 ElCamino Last edited by powerhaulic; 08-04-2025 at 08:22 PM. |
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08-05-2025, 12:31 PM
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#2 |
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Registered User
Join Date: Oct 2016
Location: Dallas Texas
Posts: 3,850
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Re: 454/4L80 swap
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Regarding your upper arms. Please elaborate: what benefit are you getting with them, what's the part numbers. Thanks, -Kevin
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67 C10 fleet fuel injected '70 402, 700r4, 3.73 posi 07 335 sport turbo 6sp 94 Trans Am GT LT1 6sp posi -- sold after 22yrs 99 540 sport V8 6sp -- sold 73 240z L24 4sp -- given to friend 68 C10 step 350/350 3.73 open -- sold |
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08-06-2025, 11:12 AM
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#3 | |
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Registered User
Join Date: Apr 2013
Location: Adirondack Mtns. NY
Posts: 25
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Re: 454/4L80 swap
Quote:
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2011 Yukon XL Denali 1994 GMC Suburban 2500 454 1971 Cheyenne Super SB 1966 ElCamino |
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