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#1066817 - 06/14/20 10:59 PM Cowl Hood  
Joined: Jan 2005
Posts: 137
8T7AERO Offline
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8T7AERO  Offline
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Joined: Jan 2005
Posts: 137
Corona, CA
Hi looking for the Pros and Cons, experiences, with the different manufacturers is one brand better than the other brand Triplus,Sherman, Keyparts, Restopart, Autometal Direct, Goodmark. Such as fit, quality, etc. I was told by a guy selling Triplus that Triplus sells to the other manufacturers and they just put their name on the box? Don’t know if that true.


87 Aerocoupe, Rapp Racing 383 with AFR aluminum heads.Leather interior,Hedman headers,Flowmaster Super 40's, k&n filter,MSD Ing, 17x8 IROC w/ 245/45/17, Wilwood front & rear disc brakes, UMI Performance Stage 2.5 suspension, Kenwood sound system..
#1066827 - 06/15/20 04:12 PM Re: Cowl Hood [Re: 8T7AERO]  
Joined: May 2004
Posts: 961
BladeOfAnduril27 Offline
15+ Year
BladeOfAnduril27  Offline
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Joined: May 2004
Posts: 961
Doylestown, PA
I've heard a lot of good things about the fit and finish of the Goodmark hoods. I believe Sherman has gone out of business (so said Mike's Montes anyway). I'm not sure about a central supplier to all of them, but I guess that's possible. I currently have a Harwood cowl (fiberglass) which is good quality and fits well. I'm most likely going to sell it and buy a Goodmark though.


~ Matt H.

1988 Monte Carlo SS w/ T-tops, White with gray int, 350, Summit cam, World Torquer S/R heads, Holley St. Dominator intake, Edelbrock 600cfm carb, Champion 3-row alum radiator, ramchargers, 200-r4 with CK Shift Kit, billet servo, 2200 stall, Afterburner headers, Pypes 2.5" with x-pipe, Violator mufflers (stock exit), S10 front brake swap.
#1066828 - 06/15/20 06:14 PM Re: Cowl Hood [Re: 8T7AERO]  
Joined: Dec 1999
Posts: 254
AeroSS_87 Offline
20+ Year
AeroSS_87  Offline
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Joined: Dec 1999
Posts: 254
Lincoln, NE
I think when it all comes down to it, Goodmark should be your first and last consideration unless a different company makes a particular style you're after. And me personally, I won't do aftermarket fiberglass hoods. Goodmark steel is top notch.

#1066904 - 06/18/20 10:40 PM Re: Cowl Hood [Re: 8T7AERO]  
Joined: Aug 2007
Posts: 1,392
kevins88ss Offline
10+ Year
kevins88ss  Offline
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Joined: Aug 2007
Posts: 1,392
Southern Maine
Goodmark on mine. I used a Chevelle air cleaner and Cowl Induction lettering on the cowl.

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#1066916 - 06/19/20 02:32 PM Re: Cowl Hood [Re: 8T7AERO]  
Joined: Dec 1999
Posts: 12,283
PB86SS/87LS Offline
Administrator
20+ Year
PB86SS/87LS  Offline
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Joined: Dec 1999
Posts: 12,283
New Berlin, WI
There was discussion years ago and it might of changed, but the same company/tooling in China was or likely was making the same hoods for Goodmark or whatever other brand at the time. So I wouldn't be surprised if it's the same thing with a different stamp/box. Both of mine are Goodmark and fit well as they are supposed to, maybe Mike can chime in or give him a call since I'm sure he would know if that's still the case or not.


-86'SS 383 CCC QJet- BRF 2004r-8.5" 3.42
-87'LS 350 MAF/SD TPI- CRF 2004r-7.5" 3.42
-81'Grand LeMans Safari Wagon 3.8 2bbl/200C/2.73
-07'TBSS Stockish daily driver
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#1067169 - 07/05/20 11:59 AM Re: Cowl Hood [Re: 8T7AERO]  
Joined: May 2010
Posts: 6
thebuss6 Offline
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thebuss6  Offline
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Joined: May 2010
Posts: 6
Germantown, MD
what are the dimensions of the Chevelle air cleaner and the seal? Just trying to see if it will fit under my setup.

#1067178 - 07/06/20 04:08 AM Re: Cowl Hood [Re: 8T7AERO]  
Joined: Jan 2000
Posts: 4,865
mmc427ss Online content
20+ Year
mmc427ss  Online Content
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Joined: Jan 2000
Posts: 4,865
Pottstown, Pa
An old Goodmark hood here too.
Beware the the air flow through the cowl hood intake is severely limited by the small holes Goodmark has drill in the sheetmetal there. I forget the exact dimensions of the holes but there are like 94 .200" holes in that sheetmetal which works out to less than 3 square inch of inlet air. By comparison a 2" round hole has 3.1 square inch of area. So you are feeding the intake with smaller than a 2" pipe. If the holes are enlarged to say 3/8" that number will now be 11.11. That would be getting close to what a 4" round duct area would be.

All Goodmark hoods as far as I know have the small holes in the inlet to prevent trash from going into the air cleaner, per Goodmark sales rep. Only the 67-69 Goodmark Camaro hood has that area completely open to duplicate the original 1st Gen Camaro cowl hood. Some have removed that section of sheetmetal to open it up to max available air flow.
Bob

#1067182 - 07/06/20 03:25 PM Re: Cowl Hood [Re: 8T7AERO]  
Joined: May 2010
Posts: 6
thebuss6 Offline
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thebuss6  Offline
New Member

Joined: May 2010
Posts: 6
Germantown, MD
What are the dimensions of the Chevelle air cleaner set up? i made up a cowl induction cleaner with a cake pan i'm curious if the Chevelle rubber gasket/seal would fit on my cake pan.

#1067218 - 07/09/20 09:51 PM Re: Cowl Hood [Re: 8T7AERO]  
Joined: Jan 2000
Posts: 625
Z16Monte Offline
20+ Year
Z16Monte  Offline
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Member

Joined: Jan 2000
Posts: 625
Newark DE USA
I have a goodmark I bought a few years after buying the car. Took me a few years to get it painted and installed. No matter what I did, I could never get the gap accros the front consistent without losing the gap on the side. Stock hood fit pretty good. That being said, most of the ones I've seen fit pretty good.


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