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#1 |
Registered User
Join Date: Apr 2014
Location: Brantford, Ontario
Posts: 87
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Help with PO's chop...
Hi guys, looking for some advice/help. The PO had done a chop on my truck, so I had to take over. I fitted the doors to the cab and I got custom glass made and installed in the doors - that was tons of fun
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#2 |
Registered User
![]() Join Date: Feb 2004
Location: brownfield texas (west texas)
Posts: 1,936
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Re: Help with PO's chop...
Im having a difficult time making heads or tails of the side ways pic...but it appears that the top of the driverside a piller is wider than the pass side. It looks pinched in at the top could you get away with making a vertical slice and then cut the top off where it meets the cab. Pull the outer edge out to match the door. And fill the gap? Just re thinking. Im not sure thats possible if the door is out further than the drip rail....😑
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The Ghost 67 short wide full custom. 550 hp LSX, 4l80E, narrowed 9". Body dropped w/air ride! ........................ ___ .........________//__{\_____ ,,,,,,,/__(⊙)___//___/__(O)_/ @disciple2.rc 💪instagram💪 LED TAILS |
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#3 |
Registered User
Join Date: Jun 2014
Location: Mocksville, NC
Posts: 1,747
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Re: Help with PO's chop...
Whew that is a lot of corrective work you have to do! My best advice is to scrap the cab and start with another. Just kidding (kinda). I'm not too familiar with the chopping process, so this may be a dumb question, but why does the drivers side line up fine when the passenger side does not? Is the whole roof skewed to one side after he chopped it? Just looking at it from an outside perspective, that would be my main concern first.
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Builds: Green Gus the 68 C10 ; Sullii the 72 1500 - Instagram: @dr.hewitt - C10 Concept/Development Photos: Master Thread |
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#4 |
Registered User
Join Date: Nov 2014
Location: Lincoln City DE
Posts: 1,292
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Re: Help with PO's chop...
Looks out of square , try to measure
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#5 |
Registered User
Join Date: Mar 2016
Location: Long Island NY
Posts: 598
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Re: Help with PO's chop...
I wish I could see where the cuts have been made for the top and the doors.
I see what Rob means about the A pillar, it does appear thinner on the passenger side. But it must be an optical illusion. If you look at pics 1 and 3, compare the amount of drip rail showing at the back of the cab to the window frame. It appears as if the window frame is not at the proper angle but if the window track is lined up and the window works then something else is wrong. I'm curious how the doors were chopped and if the window track was modified as well. I've looked at c10 doors from the outside and the window frame appears welded to the door shell at the top of the door shell. Grind down those welds, modify the track inside the door and the door frame can be lowered into the door shell. If this was the method used the PO could've gotten the angle wrong. This method could also be used to correct the issue you have and it would be much easier than cutting the top down the middle and adding material. |
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#6 |
Registered User
![]() Join Date: Feb 2004
Location: brownfield texas (west texas)
Posts: 1,936
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Re: Help with PO's chop...
Since it may be an optical illusion...I wonder...did he cut the top of that a piller completely off? Could it be the top is twisted inward?
__________________
The Ghost 67 short wide full custom. 550 hp LSX, 4l80E, narrowed 9". Body dropped w/air ride! ........................ ___ .........________//__{\_____ ,,,,,,,/__(⊙)___//___/__(O)_/ @disciple2.rc 💪instagram💪 LED TAILS |
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#7 | |
Registered User
Join Date: Mar 2016
Location: Long Island NY
Posts: 598
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Re: Help with PO's chop...
Quote:
Without seeing where the cuts were made on the top and the doors we're just stabbing in the dark as far as how the chop was done. We have no idea the amount of chop, if the roof was lengthened, if the A pillar was leaned back or some combination of the two. I think my last post explains what could've happened pretty well. Given that the sides of the cab aren't at as severe an angle as the A pillar would also explain why the doors are off by about an inch. I bet the previous owner welded the driver's side back on first then forced the passenger side to line up as best as possible before welding without widening the top. |
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#8 |
Registered User
![]() Join Date: Feb 2004
Location: brownfield texas (west texas)
Posts: 1,936
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Re: Help with PO's chop...
Yes i agree with you to an extent. The problem is that you dont know the PO's level of skill. I tought my self how to fab and jacked up alot of stuff in the beginning. The first lesson was on a rocker pannel replacement. I hung the door and lined up the rocker and fully welded it in...wondering why I had to pull it out so far to get it to match the door. I never cobsiderd adjusting the hinges to align the door or hanging the fender to make Sure the rocker was not out to far...after it was welded in....well now what? Cut it all out and start from scratch....the po may have done exactly as you said completely welded the drivers out of place not considering the other side😣
__________________
The Ghost 67 short wide full custom. 550 hp LSX, 4l80E, narrowed 9". Body dropped w/air ride! ........................ ___ .........________//__{\_____ ,,,,,,,/__(⊙)___//___/__(O)_/ @disciple2.rc 💪instagram💪 LED TAILS |
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#9 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,487
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Re: Help with PO's chop...
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Flipity-flip.... LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#10 |
Registered User
Join Date: Mar 2016
Location: Long Island NY
Posts: 598
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Re: Help with PO's chop...
After my previous post I was thinking about your issue more and how chops are done. Never done one myself but have seen plenty of tutorials and such. Viewed from the side, when you "chop" a section out of the A pillar and back of the cab you can't just lower the top back on and have everything line up. Line up the rear of the cab and the A pillars won't meet, the top portion of the A pillar will be much further to the rear. To make them line up you need to lengthen the roof. The alternative is cutting the A pillar near the roof then laying it back at a steeper angle.
Now view the cab from the front or the back. The sides of the cab aren't perfectly vertical, there is an angle just like the A pillar when viewed from the side. So when you chop a section out the middle of the window opening you're creating the same situation. The top will either need to be widened or the angle needs to change. If the window frames of the doors are at the correct angle then this would be the reason for your issue. Last edited by Overdriven; 05-27-2017 at 10:05 PM. |
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#11 |
Registered User
Join Date: Mar 2016
Location: Long Island NY
Posts: 598
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Re: Help with PO's chop...
Very true, we don't know the skill level of any involved. I think we've all been there learning as we go and having to correct mistakes. My biggest was replacing quarter panels on a 70 Dart. Full quarters weren't available, just the skins that barely go over the top of the quarter and I didn't want to go that high anyway. So I cut them above the wheel opening thinking I'd butt weld them like the I'd seen on tv. Halfway through the cut the panel just went wavy along the cut line. No way I could weld it back together so I soldiered on with the cut. Thought it was the electric shear I was using so tried a cutoff wheel on the other side with the same result. Wasn't about to throw out $700 worth of sheetmetal so I had to carefully push, pull and relief cut my now wavy brand new quarters as I stitched them on.
Back on topic, I'm curious about the windshield. OP says he got new door glass but doesn't mention the wondshield. If the A pillars have been leaned back a stock windshield may still work. |
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#12 |
Registered User
Join Date: Apr 2014
Location: Brantford, Ontario
Posts: 87
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Re: Help with PO's chop...
Thanks LockDoc for flipping the pictures!
Overdriven, I think you hit the nail on the head. I think the PO lined up the drivers side and welded it all together without checking the passenger side. Drivers side does line up good so can't say he did a bad job there. I was looking at the roof and it doesn't appear he widened it at all to compensate for the chop. It looks like when he got to the passenger side he just moved the A-pillar to fit. For the windshield, I had to get a new one and chop it myself - I couldn't find anyone to try it haha. So after 2 windshields I managed to take 3" off the top with destroying it - has a small crack in each corner but will meet safety so I'm happy with that ![]() The glass in the doors are sized equally and operate correctly so I think the door are fine in terms of geometry, if they weren't the glass wouldn't fit or operate correctly. This being said it looks like I'm going to have to widen the top of the cab/roof to bring it over the door correctly. |
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#13 |
Post Whore
![]() Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,117
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Re: Help with PO's chop...
Thanks to LockDoc for making the world right again.
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help. ![]() RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
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#14 | |
Registered User
Join Date: Apr 2014
Location: Brantford, Ontario
Posts: 87
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Re: Help with PO's chop...
Quote:
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#15 |
Registered User
Join Date: Apr 2014
Location: Brantford, Ontario
Posts: 87
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Re: Help with PO's chop...
Here's some pics from behind.... Notice the gaps where the weatherseal would install...
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