Crossmember chop? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

gringoloco · 04-05-2006, 01:17 AM

Been lurking and searching the crossmember chop posts and have a few unanswered questions.

1) What major snags are common to the process?
I have noted:
- Steering shaft interferes with upper a-arm. Appears to be pretty straightforward
- Tie rod end interferes with crossmember, is this both, or one side, and where?
- Any steering geometry issues that need to be worked out? Bump steer issues?

2) How is the cut made so as not to have to add filler material when reassembling?

3) What is being done in the back to even the stance? Blocks? Lower rear bag pressure than front? Both?

Anything else that I am not thinking of that I will be blindsided by?

Thanks -Chris

TravisH · 04-05-2006, 09:19 PM

1) I haven't done this so I can't help you there

2) The cut is 1 1/2" right? Use some 1 1/2" masking tape to trace your upper and lower cut lines. Just follow with the zip and you've got parallel cuts

3) If you're doing the front crossmember drop its usually to get the front closer to the ground. If you want to lower the back more you'll have to put in a fair sized notch

gringoloco · 04-06-2006, 03:31 AM

Yeah, with a straight peice of tape I figured that because of the irregular shape of the member that there will be gaps left. Just lookin' for hints to ease the process. Thanks for the reply.
Anyone else?

gringoloco · 04-09-2006, 11:45 PM

No further guidance?

nwmod39 · 04-10-2006, 10:39 PM

http://www.captkaoscustoms.com/

FRENCHBLUE72 · 04-13-2006, 10:11 PM

Make sure you make nice cuts so that you dont have to add filler pieces later like I did.. The link above in is the best info I have found..

04-05-2006, 01:17 AM	#1
gringoloco A guy with a truck Join Date: Sep 2005 Location: Germany, for now Posts: 5,921	Crossmember chop? Been lurking and searching the crossmember chop posts and have a few unanswered questions. 1) What major snags are common to the process? I have noted: - Steering shaft interferes with upper a-arm. Appears to be pretty straightforward - Tie rod end interferes with crossmember, is this both, or one side, and where? - Any steering geometry issues that need to be worked out? Bump steer issues? 2) How is the cut made so as not to have to add filler material when reassembling? 3) What is being done in the back to even the stance? Blocks? Lower rear bag pressure than front? Both? Anything else that I am not thinking of that I will be blindsided by? Thanks -Chris __________________ -Chris Instagram _elgringoloco_ '70 Short-Wide How to: Ruin a perfectly good C10 ‘70 Blazer ConversionHow To: Ruin a Perfectly Good 4wd '72 Highlander How To: Ruin a Perfectly Good K/5 (SOLD) '72 Blazer 2WD How to: Ruin a perfectly good Blazer (SOLD) '05 Yukon Daily Driven (not so stock) Yukon (SOLD) ‘07 Yukon Denali (daily) Members met list: SCOTI, darkhorse970, 67cheby, 67cheby'sGirl, klmore, porterbuilt, n2billet, Fastrucken, classicchev, Col Clank, GSFMECH, HuggerCST, Spray-Bomb, BACKYARD88, 5150, fine69, fatbass, smbrouss70, 65StreetCruiser, GAc10boy

04-05-2006, 09:19 PM	#2
TravisH Registered User Join Date: Mar 2005 Location: Alberta Posts: 316	Re: Crossmember chop? 1) I haven't done this so I can't help you there 2) The cut is 1 1/2" right? Use some 1 1/2" masking tape to trace your upper and lower cut lines. Just follow with the zip and you've got parallel cuts 3) If you're doing the front crossmember drop its usually to get the front closer to the ground. If you want to lower the back more you'll have to put in a fair sized notch

04-06-2006, 03:31 AM	#3
gringoloco A guy with a truck Join Date: Sep 2005 Location: Germany, for now Posts: 5,921	Re: Crossmember chop? Yeah, with a straight peice of tape I figured that because of the irregular shape of the member that there will be gaps left. Just lookin' for hints to ease the process. Thanks for the reply. Anyone else? __________________ -Chris Instagram _elgringoloco_ '70 Short-Wide How to: Ruin a perfectly good C10 ‘70 Blazer ConversionHow To: Ruin a Perfectly Good 4wd '72 Highlander How To: Ruin a Perfectly Good K/5 (SOLD) '72 Blazer 2WD How to: Ruin a perfectly good Blazer (SOLD) '05 Yukon Daily Driven (not so stock) Yukon (SOLD) ‘07 Yukon Denali (daily) Members met list: SCOTI, darkhorse970, 67cheby, 67cheby'sGirl, klmore, porterbuilt, n2billet, Fastrucken, classicchev, Col Clank, GSFMECH, HuggerCST, Spray-Bomb, BACKYARD88, 5150, fine69, fatbass, smbrouss70, 65StreetCruiser, GAc10boy

04-09-2006, 11:45 PM	#4
gringoloco A guy with a truck Join Date: Sep 2005 Location: Germany, for now Posts: 5,921	Re: Crossmember chop? No further guidance? __________________ -Chris Instagram _elgringoloco_ '70 Short-Wide How to: Ruin a perfectly good C10 ‘70 Blazer ConversionHow To: Ruin a Perfectly Good 4wd '72 Highlander How To: Ruin a Perfectly Good K/5 (SOLD) '72 Blazer 2WD How to: Ruin a perfectly good Blazer (SOLD) '05 Yukon Daily Driven (not so stock) Yukon (SOLD) ‘07 Yukon Denali (daily) Members met list: SCOTI, darkhorse970, 67cheby, 67cheby'sGirl, klmore, porterbuilt, n2billet, Fastrucken, classicchev, Col Clank, GSFMECH, HuggerCST, Spray-Bomb, BACKYARD88, 5150, fine69, fatbass, smbrouss70, 65StreetCruiser, GAc10boy

04-10-2006, 10:39 PM	#5
nwmod39 Registered User Join Date: Sep 2005 Location: spokane, washington Posts: 302	Re: Crossmember chop? http://www.captkaoscustoms.com/ __________________ 1980 c-10: under destruction http://photobucket.com/albums/c372/nwmod39/

04-13-2006, 10:11 PM	#6
FRENCHBLUE72 PROJECT 7DEUCE Join Date: Dec 2002 Location: GRANTS PASS OR Posts: 21,606	Re: Crossmember chop? Make sure you make nice cuts so that you dont have to add filler pieces later like I did.. The link above in is the best info I have found.. __________________ GO BIG GREEN GO DUCKS MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P..



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