Hood upgrade Questions!!!
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Junior Member
Joined: Dec 2007
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From: Katy, TX
Car: 84 Pontiac Firebird
Hood upgrade Questions!!!
Ok here it goes, a friend of mine on another forum owns a 86 IROC-Z and he can no longer stand the oem louver'ed hood. the car is about to go into the paint booth and he has found a hood he likes, but it's fiberglass and he is wondering weather to go with the fiberglass hood or find one he likes in steel??? Also what are the pro's and con's to both?? Thanks Guys!!
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Joined: Mar 2009
Posts: 138
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From: Madisonville, Ky
Car: 94 Silverado
Engine: 383 Vortec TBI
Transmission: 4L60
Axle/Gears: 2.73
Re: Hood upgrade Questions!!!
If he goes with the fiberglass, you MUST use hood pins. Do a search for fiberglass hoods and see the results. Most are 2 peices glued together and they do seperate easily.....
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Joined: Aug 2007
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From: ANDERSON SC
Car: 92 RS
Engine: 305
Transmission: T-5
Axle/Gears: 3.08
Re: Hood upgrade Questions!!!
He could always buy the blisters for the 91-92 z cars just to get rid of the louvers. As for steel or fibergalss the pro to a glass hood of course is weight. The con to it the glass hood will vibrate rding down the road due to it beign lighter. Also they are weaker than steel hoods so extra care needs to be taken by not sitting on them and when shutting them. Plus there is some extra prep for painting when using a glass hood. Dont get me wrong I have a cowl hood on my car had it for ten years now, and I love my hood but I am very paranoid about other people trying to close or open it. Plus you need gas shocks that are worn out in order for it to hold a glass hood up without breaking. If he would rather have a steel hood and decides to ditch the oe hood there are companies that make steel cowls like goodmark. It is very similar to the glass cowl hoods but the height of the cowl may be different. Now if he is looking at getting a ss style hood those only come in fiberglass, and they do look great on our cars. In my personal opnion if it was my car and i was going to change the hood I would go with the 91-92 blisters, especially if he is going to keep the oe stripes and wheels. If I was going with the glass option it would definitly be the ss hood. Hope this helps you out.
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Joined: Aug 2007
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From: ANDERSON SC
Car: 92 RS
Engine: 305
Transmission: T-5
Axle/Gears: 3.08
Re: Hood upgrade Questions!!!
Wrong on the must use hood pins. Many of the glass hoods come with the option of using the factory latches. If you get a lift off type then yes hood pins are required. My hood is a harwood and it DOES NOT have to have hood pins, as you can see. Also if you get a good quality glass hood you shouldnt have any issues of it seperating.
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Joined: Mar 2009
Posts: 138
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From: Madisonville, Ky
Car: 94 Silverado
Engine: 383 Vortec TBI
Transmission: 4L60
Axle/Gears: 2.73
Re: Hood upgrade Questions!!!
I am just offering an opinion here so that was my 2 cents.
check this out www.thirdgen.org/techboard/body/518035-fiberglass-hood-owners-step.html
or do a search for fiberglass hood seperation.
check this out www.thirdgen.org/techboard/body/518035-fiberglass-hood-owners-step.html
or do a search for fiberglass hood seperation.
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Joined: Mar 2009
Posts: 138
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From: Madisonville, Ky
Car: 94 Silverado
Engine: 383 Vortec TBI
Transmission: 4L60
Axle/Gears: 2.73
Re: Hood upgrade Questions!!!
I have been at the track when "quality" fiberglass hoods seperated on 15sec cars. Its cheap insurance to have pins in addition to the factory latch.
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Joined: Jul 2008
Posts: 440
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From: Oglesby,TX
Car: 91 RS T-top
Axle/Gears: 3:42 fourth gen disk brake
Re: Hood upgrade Questions!!!
i got a glass hood a few months ago and put the stock latch on and it looked good. Then while going to work it popped open and now I have a new hood in three pieces.
Fiberglass = Pins or you will kick yourself in the ***.
Fiberglass = Pins or you will kick yourself in the ***.
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From: Cleveland, Ohio
Car: 89' IROC-Z
Engine: LO3
Transmission: 700R4
Axle/Gears: 10-Bolt/2.73
Re: Hood upgrade Questions!!!
That sucks, I have a fiberglass hood with stock latch and do not plan to put pins on until I can have someone professionally install my custom pin setup I want.
What if I just cruise around town (no more than 50mph), would I still be in the lookout for my hood to pop off in pieces? Also my hood uses a steel skeleton on the latch, hinges and edges of the hood for strength, do these help or shall I still be looking into pins as soon as I start driving her?
What if I just cruise around town (no more than 50mph), would I still be in the lookout for my hood to pop off in pieces? Also my hood uses a steel skeleton on the latch, hinges and edges of the hood for strength, do these help or shall I still be looking into pins as soon as I start driving her?
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Joined: Jul 2008
Posts: 440
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From: Oglesby,TX
Car: 91 RS T-top
Axle/Gears: 3:42 fourth gen disk brake
Re: Hood upgrade Questions!!!
this is a pic of my SS hood. Ive also seen a thread on someones hood that boubbled out from the center and ripped in half.


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Joined: Jul 2008
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From: Oglesby,TX
Car: 91 RS T-top
Axle/Gears: 3:42 fourth gen disk brake
Re: Hood upgrade Questions!!!
Na I was on an old country road. We had 50+ mph gusts of wind that day and I came out from a turn and the wind caught my hood just right
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Joined: Apr 2006
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From: Northern, CA
Car: 1989 Iroc-Z Camaro
Engine: TBI,5.0
Transmission: Automatic 700R4
Axle/Gears: Eaton Posi,3.42,LPW Ultimate Cover
Re: Hood upgrade Questions!!!


We have heard the pros and cons of the fiberglass hoods so let me talk about the pros and cons of a steel hood. My steel Goodmark hood weighs in at around 85lbs. Thats a con, But if you have a carb. or TBI, It has a cowl that really works. If set up properly. The other pro Is that you don't have to worry about flexing or cracking the hood or your brand new paint job. Heres a photo of what you get with a steel Goodmark hood. ( I payed $360.00 for mine.)
Last edited by Ron U.S.M.C.; May 25, 2010 at 04:33 PM.
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From: Cleveland, Ohio
Car: 89' IROC-Z
Engine: LO3
Transmission: 700R4
Axle/Gears: 10-Bolt/2.73
Re: Hood upgrade Questions!!!
Alright guys, looks like it is coming down to me needing to have my hood pinned. I think I may drive it straight to a shop to have them installed, you guys are scaring me enough to not want to go without them. Thanks.
What would an estimate be on getting these installed ($100)? I couldn't see more than a straight 1 hour job?
What would an estimate be on getting these installed ($100)? I couldn't see more than a straight 1 hour job?
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Joined: Feb 2005
Posts: 540
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From: Fort Worth TX
Car: 89Z28 Vert
Engine: 350/tbi
Transmission: 700r4
Axle/Gears: 3.27 Posi
Re: Hood upgrade Questions!!!
Alright guys, looks like it is coming down to me needing to have my hood pinned. I think I may drive it straight to a shop to have them installed, you guys are scaring me enough to not want to go without them. Thanks.
What would an estimate be on getting these installed ($100)? I couldn't see more than a straight 1 hour job?
What would an estimate be on getting these installed ($100)? I couldn't see more than a straight 1 hour job?
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Joined: Aug 2006
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From: Cleveland, Ohio
Car: 89' IROC-Z
Engine: LO3
Transmission: 700R4
Axle/Gears: 10-Bolt/2.73
Re: Hood upgrade Questions!!!
The fancy set
. I'm going to give my local shop a call, I'm sure they have installed these before. I'm almost done getting her ready for the road, after 2 1/2yrs of sitting.
. I'm going to give my local shop a call, I'm sure they have installed these before. I'm almost done getting her ready for the road, after 2 1/2yrs of sitting. Re: Hood upgrade Questions!!!


We have heard the pros and cons of the fiberglass hoods so let me talk about the pros and cons of a steel hood. My steel Goodmark hood weighs in at around 130lbs. Thats a con, But if you have a carb. or TBI, It has a cowl that really works. If set up properly. The other pro Is that you don't have to worry about flexing or cracking the hood or your brand new paint job. Heres a photo of what you get with a steel Goodmark hood. ( I payed $360.00 for mine.)
lol Just noticed my post count. Apparently, long time lurker, first time poster.
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Joined: May 2009
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From: Endicott, NY
Car: 1986 IROC-Z
Engine: 420HP ZZ4 350
Transmission: TH350
Axle/Gears: 4:11's
Re: Hood upgrade Questions!!!
i have a glass cowl hood and never put hood pins in and never had a problem. i dont see the need for hood pins, just my 2 cents
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From: Bertram (outside Austin), TX
Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: Hood upgrade Questions!!!
We got a used fiberglass hood for my wife's 90 Camaro, off a car with no pins. Never was a problem.
We did end up putting pins on, but ONLY because my wife wanted to. Not because we needed to.
We did end up putting pins on, but ONLY because my wife wanted to. Not because we needed to.
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