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#1 |
BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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81-82 bumpers - cold air intakes!
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#2 |
Garage Queen Material
Join Date: Oct 2002
Location: USA
Posts: 4,129
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Re: 81-82 bumpers - cold air intakes!
looks cool man
![]() maybe soon you will get it ready for paint? ![]() i'm still shocked as hell that it doesnt have the 305 of fury anymore ![]() Last edited by ocbaud; 09-07-2007 at 05:30 PM. |
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#3 |
Registered User
Join Date: Feb 2007
Location: Austin, TX
Posts: 3,930
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Re: 81-82 bumpers - cold air intakes!
Good idea. Should show some gain over a plain open element since that underhood air is pretty hot.
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#4 |
BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: 81-82 bumpers - cold air intakes!
The bumper has the holes way out to the ends. I was hoping to route the hose inward. The bracket is the problem. Once I bolt it on, I'll have to cut the fender wells. Another problem may end up being the length of duct tube needed to reach the box. I'll have time to work on it next week. Only the electrical wiring remains after the air box. All the fluid lines are connected. I'm getting excited about starting it up with open headers!!
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#5 |
Registered User
Join Date: Feb 2007
Location: Austin, TX
Posts: 3,930
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Re: 81-82 bumpers - cold air intakes!
Might be easier to put the ducts in the plastic air dam instead ?
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#6 |
Registered User
Join Date: Sep 2006
Location: New Haven, MO
Posts: 1,243
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Re: 81-82 bumpers - cold air intakes!
Hmm this is giving me ideas I have a 81-82 bumper on my 83 hmm
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__________________
-Lincoln 1987 GMC S15 (soon to be a chevy clone) ![]() 2.5l, 4 speed, no ps, no pb, no ac Silence is golden, but duct tape is silver. ![]() Spoken by Cletus the hillbilly I like stickers... a whole bunch. |
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#7 |
Happy to be here
![]() Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Re: 81-82 bumpers - cold air intakes!
I could save you guys a lot of work, but you really don't want to hear what I know about this....
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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#8 | |
Right on the line, baby!
Join Date: Oct 2003
Location: Phila, PA 19130
Posts: 1,486
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Re: 81-82 bumpers - cold air intakes!
Quote:
Gchemist: Easy question. Where are you sourcing the 4" hose? Thanks- -Todd
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83 GMC 406 th400/3.73 Eaton Truetrac posi, headers, x pipe, & racePros. Tubular control arms, lowering rear springs, caltracs. Still ugly, but getting built right, although slowly Click and scroll down for site vendors! Subscribe here! |
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#9 | |
Happy to be here
![]() Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Re: 81-82 bumpers - cold air intakes!
Quote:
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__________________
Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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#10 |
Workaholic
Join Date: Oct 2002
Location: Katy, TX
Posts: 1,589
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Re: 81-82 bumpers - cold air intakes!
Add me to that PM list, please!
__________________
1979 K-10 Silverado (work in progress) 1991 V1500 Subruban 1999 Suburban LT 4x4 2006 Suburban LTZ (daily driver) |
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#11 |
Registered User
Join Date: Feb 2004
Location: northern, in
Posts: 350
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Re: 81-82 bumpers - cold air intakes!
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#12 |
Registered User
Join Date: Jan 2003
Location: Austin, TX
Posts: 824
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Re: 81-82 bumpers - cold air intakes!
Hey G, what do you plan to do with the holes in the bumper? Will you be leaving them open or installing some kind of grillle/mesh?
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#13 |
BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: 81-82 bumpers - cold air intakes!
I'm installing some grill mesh. The kind that looks like a BBQ grill. Austin Performance was out chrome stuff. I'll try the grill mesh for a while. I may try to find a machinist to make me something cool out of metal. I nice little bowtie would be nice.
If I have time to work on this week, I'll post some pictures. Anyone here have machinist skills? |
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#14 |
Registered User
Join Date: Sep 2006
Location: New Haven, MO
Posts: 1,243
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Re: 81-82 bumpers - cold air intakes!
If I had a shop class this semester. I could help you out but I don't.
__________________
-Lincoln 1987 GMC S15 (soon to be a chevy clone) ![]() 2.5l, 4 speed, no ps, no pb, no ac Silence is golden, but duct tape is silver. ![]() Spoken by Cletus the hillbilly I like stickers... a whole bunch. |
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#15 |
BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: 81-82 bumpers - cold air intakes!
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#16 |
Cruzzzn' Vet
Join Date: Jan 2005
Location: Porterville,Ca.
Posts: 1,918
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Re: 81-82 bumpers - cold air intakes!
Looking Good G-man
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#17 |
Signals in the bumper.
Join Date: Feb 2003
Location: East TN
Posts: 856
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Re: 81-82 bumpers - cold air intakes!
Theroy sounds nice, but I'm not sure it's worth the trouble as far as power gains go. Now, if you had an LS1 in there, it might be a different story.
__________________
Jeff C. 1981 Chevrolet Silverado - Under major construction...again. link 1962 Chevrolet Impala 4D Sedan moredoorclassics.com 1936 Ford Pickup - Frame-off in progress link 1979 Chevrolet Camper Special Flatbed link |
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#18 |
BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: 81-82 bumpers - cold air intakes!
I am not shooting for big gains. Looks are my goal. No one on several boards has ever tried a 91 grill with ram air box. The looks are what win trophies! Any amount of cold air is better than under the hood hot air. If I push decent MPG it will be well worth it. The ZZ4 needs to breath all it can take.
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#19 |
glamoros piece o' lowlife
Join Date: Mar 2007
Location: Redford, MI
Posts: 1,164
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Re: 81-82 bumpers - cold air intakes!
Gerardo, how did you make them holes in the bumper?
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The more I drink, the more I drink, the more I drink... diesel, reg cab, long bed, 4 across the rear, single stack, wooden stakes, and lotsa lights - the Hay Express |
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#20 |
Signals in the bumper.
Join Date: Feb 2003
Location: East TN
Posts: 856
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Re: 81-82 bumpers - cold air intakes!
The '81 and '82 trucks had turn signals in the bumper (note the title under my avatar).
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__________________
Jeff C. 1981 Chevrolet Silverado - Under major construction...again. link 1962 Chevrolet Impala 4D Sedan moredoorclassics.com 1936 Ford Pickup - Frame-off in progress link 1979 Chevrolet Camper Special Flatbed link |
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#21 | |
glamoros piece o' lowlife
Join Date: Mar 2007
Location: Redford, MI
Posts: 1,164
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Re: 81-82 bumpers - cold air intakes!
Quote:
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__________________
The more I drink, the more I drink, the more I drink... diesel, reg cab, long bed, 4 across the rear, single stack, wooden stakes, and lotsa lights - the Hay Express |
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#22 |
67 Chevy Stepside
Join Date: Mar 2007
Location: Jonesville NC
Posts: 836
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Re: 81-82 bumpers - cold air intakes!
why don't you just use the holes in the rad support were the factory did they are 2 holes you just have to cut one side.
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1967 Chevy stepside 1976 BIG DOOLEY 454 turbo 400 4:11 |
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#23 |
State of Confusion!
![]() ![]() Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 46,844
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Re: 81-82 bumpers - cold air intakes!
I like the look of that. Nice job!!
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
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#24 |
BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: 81-82 bumpers - cold air intakes!
Bigblock79,
The 91 grill support does not have the cut out holes. The side by side headlights and the bezels cover up any usable area. If you click on the first picture and hit slide show, the slide show displays trucks with lights in the 81-82 bumpers. If I finish up the wiring today, I will be cutting the fender wells for the tubing. Stay tuned for more pictures. |
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#25 |
Registered User
Join Date: Jan 2003
Location: Austin, TX
Posts: 824
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Re: 81-82 bumpers - cold air intakes!
Looking good G. Keep up the progress and the pix coming.
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