How strong is the Rockwell T-221 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

pulltilbroke · 03-18-2011, 01:31 AM

Just like the title says. The reason I ask is I am planning a swap and need to know if it will handle a 300-400hp 750-900ftlbs Cummins.

Prerunner1982 · 03-18-2011, 02:23 PM

I don't know about behind a Cummins but my father used his 65 K10 to haul 2.5 tons of water in the mountains of CO every other week or so. Rain, snow or shine....

However if you already have everything yanked out, it might be a good time to get something a little newer and easier to get parts for.

LANDC · 03-18-2011, 02:32 PM

There is a good chance that wherever that Cummins is coming from there is a 205 close by. Why not fab in a 205 now while you are in the mood? And what I mean by in the mood is while you are in fab mode. The T 221 would probably take it for a bit. But when you need parts for it, and you will need parts because your case is probably " experienced " they will be harder to find than parts for a 205. Besides, how many destroyed 205's have you seen? I have seen two, both examples where extemely abused in all ways possible.

Redcap · 03-18-2011, 02:40 PM

Quote:

Originally Posted by pulltilbroke

Just like the title says. The reason I ask is I am planning a swap and need to know if it will handle a 300-400hp 750-900ftlbs Cummins.

I've seen the 221 grenade under considerably less.

duallyjams · 03-18-2011, 09:57 PM

R U planing on doing 4 wheel drive burn out on pavement ?

pulltilbroke · 03-18-2011, 10:25 PM

No plans for 4wd burnouts. My plans for the truck would just be for driving and the occasional sled pull. But I am addicted to power so it won't be stock.

LANDC, The motor and NV I have were from a 2wd so I don't have a spare 205 and If i wer to use a 205 I'd like to use a divorced unit, However I do know where there is a 201 from an 63 PowerWagon.

duallyjams · 03-19-2011, 07:14 AM

The sled might be its down fall with that much torque.

03-18-2011, 01:31 AM	#1
pulltilbroke Registered User Join Date: Mar 2008 Location: Eagle Ne Posts: 356	How strong is the Rockwell T-221 Just like the title says. The reason I ask is I am planning a swap and need to know if it will handle a 300-400hp 750-900ftlbs Cummins. __________________ 60 4x4,235,SM420,Rockwell T221,D44/HO33 sold 4/12 67 C-20,292,SM420,HO72 90 Dodge W250 Cummins,NV4500HD,205,D60/D80 93 Dodge W350 Dually Cummins, Getrag, 205,D60/D70

03-18-2011, 02:23 PM	#2
Prerunner1982 Registered User Join Date: Oct 2002 Location: Edmond, OK Posts: 5,906	Re: How strong is the Rockwell T-221 I don't know about behind a Cummins but my father used his 65 K10 to haul 2.5 tons of water in the mountains of CO every other week or so. Rain, snow or shine.... However if you already have everything yanked out, it might be a good time to get something a little newer and easier to get parts for. __________________ Jon 1982 Chevy Silverado 350/th350.... RETIRED 1993 Jeep XJ 2 door(Cherokee) 4wd 4.0ltr/AX-15 (5spd)/NP231 .... Oklahoma Roll Call Last edited by Prerunner1982; 03-18-2011 at 02:25 PM.

03-18-2011, 02:32 PM	#3
LANDC Registered User Join Date: Oct 2008 Location: Kelowna, BC, Canada Posts: 93	Re: How strong is the Rockwell T-221 There is a good chance that wherever that Cummins is coming from there is a 205 close by. Why not fab in a 205 now while you are in the mood? And what I mean by in the mood is while you are in fab mode. The T 221 would probably take it for a bit. But when you need parts for it, and you will need parts because your case is probably " experienced " they will be harder to find than parts for a 205. Besides, how many destroyed 205's have you seen? I have seen two, both examples where extemely abused in all ways possible. __________________ Custom Vehicle, Custom Problems. Last edited by LANDC; 03-18-2011 at 02:33 PM.

03-18-2011, 09:57 PM	#5
duallyjams Registered User Join Date: May 2007 Location: Deale Md Posts: 4,663	Re: How strong is the Rockwell T-221 R U planing on doing 4 wheel drive burn out on pavement ? __________________ James 63 GMC V6 4speed carryall 65 chevy swb bbw V8 auto 68 K20 327/4 speed, buddy buckets 2002 GMC CC Dually Duramax 64 GMC lwb 3/4 V6 4speed SOLD 66 GMC swb bbw buddy buckets SOLD IG duallyjams The only thing that stays the same is constant change!

03-18-2011, 10:25 PM	#6
pulltilbroke Registered User Join Date: Mar 2008 Location: Eagle Ne Posts: 356	Re: How strong is the Rockwell T-221 No plans for 4wd burnouts. My plans for the truck would just be for driving and the occasional sled pull. But I am addicted to power so it won't be stock. LANDC, The motor and NV I have were from a 2wd so I don't have a spare 205 and If i wer to use a 205 I'd like to use a divorced unit, However I do know where there is a 201 from an 63 PowerWagon. __________________ 60 4x4,235,SM420,Rockwell T221,D44/HO33 sold 4/12 67 C-20,292,SM420,HO72 90 Dodge W250 Cummins,NV4500HD,205,D60/D80 93 Dodge W350 Dually Cummins, Getrag, 205,D60/D70

03-19-2011, 07:14 AM	#7
duallyjams Registered User Join Date: May 2007 Location: Deale Md Posts: 4,663	Re: How strong is the Rockwell T-221 The sled might be its down fall with that much torque. __________________ James 63 GMC V6 4speed carryall 65 chevy swb bbw V8 auto 68 K20 327/4 speed, buddy buckets 2002 GMC CC Dually Duramax 64 GMC lwb 3/4 V6 4speed SOLD 66 GMC swb bbw buddy buckets SOLD IG duallyjams The only thing that stays the same is constant change!



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