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Old 09-08-2009   #1
Kb7tif
 
Join Date: May 2009
Location: S Nevada
Posts: 352
Default Header install

Just a note if by some chance you are hesitant of a DIYS install, Its not bad, Fun actually, I got my pass side manifold off in about 2 hrs. Im not done yet but it looks pretty positive.

Well I got the drivers side off little more of a PITA but its not bad. 2 1/2 hrs.
Hints, Heat shields of the passenger side stay on. Dont waste time loosening. Drivers side heat shield screws need to come out (PITA) shields can stay on. Unbolt engine and lift about 1 1/2 inch, I Kept exhaust connected until that side was unbolted, kept everything from binding.. Most stock manifold bolts both sides are removed from the side. Easy Money. Dont rush get pissed- drop it for the day.
Wait untill you see the choke points on the stock manifolds.

Time saving tools- 8mm flexhead stubby, long 15mm offset boxend, 10mm long flexhead. 10mm and 8mm
swivel sockets. Thats really about it, Just 3/8 general ratchet stuff.
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1995 Convertible Supercharged Auto
1974 454 550hp (avatar car) On the blocks- -Scharger install !
1992-Zr-1 Sold.
Watson Headers
Ported Plenum, Housings
Random tech cats
Fidanza Flywheel
Chipped, Relocated Mat
Woods 165 stat
Borlas, Straights
1996 Lt4 Sold
1994 Lt1 Sold
2004 Z06 Sold
AKA** Illenema

Last edited by Kb7tif; 09-13-2009 at 05:32 PM. Reason: Update.
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Old 09-08-2009   #2
-=Jeff=-
 
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Location: Bartlett, IL
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Default Re: Header install

no pics?

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1990 Corvette ZR-1 #1051
Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback
Late Model IH - Plenum
Coilovers - 4.10s
Custom Interior
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Old 09-08-2009   #3
GOLDCYLON
 
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Location: Peoria, AZ
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Default Re: Header install

Did you pull the inner fenders? Makes life easier
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GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's)

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91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat

90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat

11 RED/GREY CTS-V
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Old 09-08-2009   #4
Kb7tif
 
Join Date: May 2009
Location: S Nevada
Posts: 352
Default Re: Header install

No pics, used all the information people have posted in the past installs, saved alot of effort!
__________________
1995 Convertible Supercharged Auto
1974 454 550hp (avatar car) On the blocks- -Scharger install !
1992-Zr-1 Sold.
Watson Headers
Ported Plenum, Housings
Random tech cats
Fidanza Flywheel
Chipped, Relocated Mat
Woods 165 stat
Borlas, Straights
1996 Lt4 Sold
1994 Lt1 Sold
2004 Z06 Sold
AKA** Illenema
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Old 09-08-2009   #5
LGAFF
 
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Default Re: Header install

what are the torque specs on the bolts
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90 #966-150K miles-sold
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Old 09-09-2009   #6
-=Jeff=-
 
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Default Re: Header install

Quote:
Originally Posted by LGAFF View Post
what are the torque specs on the bolts
Tight
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1990 Corvette ZR-1 #1051
Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback
Late Model IH - Plenum
Coilovers - 4.10s
Custom Interior
NCM Lifetime Member #978
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Old 09-09-2009   #7
LGAFF
 
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Location: Crystal Lake, IL
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Default Re: Header install

I cannot find "tight" on my torque wrench.
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90 #966-150K miles-sold
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Old 09-09-2009   #8
Jeffvette
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Default Re: Header install

Quote:
Originally Posted by LGAFF View Post
I cannot find "tight" on my torque wrench.

Good luck getting a torque wrench up there.
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Old 09-09-2009   #9
Jeffvette
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Default Re: Header install

Quote:
Originally Posted by Kb7tif View Post
Just a note if by some chance you are hesitant of a DIYS install, Its not bad, Fun actually, I got my pass side manifold off in about 2 hrs. Im not done yet but it looks pretty positive.
You did the easy side first.
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Old 09-09-2009   #10
GOLDCYLON
 
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Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
Default Re: Header install

Quote:
Originally Posted by Jeffvette View Post
Good luck getting a torque wrench up there.
Well if he did that would be the tight setting he was looking for
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GOLDCYLON - 91 ZR-1 #2014
GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's)

GOLDCYLON - 11 CTS-V


Arizona State Director




91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat

90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat

11 RED/GREY CTS-V
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