LT1-LT4 Modifications 1993-97 Gen II Small Block V8

LS1 lid with stock LT1 hood?

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Old 12-06-2013, 12:58 PM
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Default LS1 lid with stock LT1 hood?

Looking to put a LS1 lid on my 95 but fit it under the STOCK hood. All the pics I have found either leave out the hood being used or is a aftermarket cowl hood. People have needed to "slightly notch" the underside of the hood.

Anyone have proof of a STOCK hood working? I'm OK with notching the under hood bracing, I just don't want to notch the bracing and then figure out I need to cut MORE and need to remove the top of the hood skin exposing the intake lid.

I also realize that the radiator may need to be tilted back and notched.

Thanks for any pics.

Last edited by smitty2919; 12-06-2013 at 01:16 PM.
Old 12-06-2013, 01:29 PM
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Old 12-06-2013, 01:49 PM
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Ahaha awesome

but damn it...
Old 12-06-2013, 02:31 PM
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Its not easy to make it fit, have to notch the rad support and do some moving around of the rad its self. If your not worried about cutting stuff up or how it looks under hood it can be made to fit under the stock hood.

I'll try and get a picture uploaded tonihgt to show how I managed it, its not pretty but it functions.
Old 12-06-2013, 03:10 PM
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I even had to cut my 3in cowl hood. Just cut the hole in the hood or get a new hood.
Old 12-06-2013, 04:11 PM
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I don't want to get a new hood bc the HP doesn't merit any kind of cowl hood nor does my intake justify it. I like more of the stock look.

I'm planning to have to tilt the radiator back, notch it, and maybe notch the aluminum header piece AND notch the hood bracing. I just want to make sure that doing all that will still allow a stock hood to close.
Old 12-06-2013, 05:33 PM
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camaro or firebird? both stock flat hoods wont work I have heard of the lt1 ws6 hood working which could mean that a camaro ultra-z hood could work.
Old 12-06-2013, 06:24 PM
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Camaro hood. Thanks for the heads up.
Old 12-06-2013, 07:33 PM
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Fits fine under my WS6 hood with no modifications but that's a little different
Old 12-06-2013, 09:18 PM
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Do a search, tons have done it. I had to use a cutoff wheel to cut a spot in the radiator support about 1" for the front of the filter support and clear the chrs1313 lid, then cut the tabs off the lid, lay the radiator back about 1" just drilling new holes for the plastic support, then bend the top edge of the radiator vertical, lay the filter on the metal radiator support cut area and radiator, lid on top with self tapping screws onto to metal support, trim the entry to the lid to accept the maf, $7 fernco coupling to the TB. Then cut the inside metal of the hood, slam it shut, done.

Attached Thumbnails LS1 lid with stock LT1 hood?-image.jpg  
Old 12-07-2013, 09:04 PM
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Doing it and having it look half way decent are two different things.
Old 12-07-2013, 11:24 PM
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Yeah looking at that picture it was done under the influence of Natty Ice, alot of work for an airbox.
Old 12-08-2013, 08:39 AM
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Natty light, beer of the gods. It's what Jesus asked for on the cross.

I never said its pretty. Fits the theme of my car tho, function over form.
Old 12-08-2013, 08:46 AM
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Well if it comes down to it I will notch the metal header and cutom make a fiberglass lid if I need more of a lower profile lid than what the standard SLP/factory lid offers.

I'll use some play-dough and shut the hood to see how much room I really have.

I'm not about to do all this and have it look like a hack job.
Old 12-09-2013, 11:07 AM
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Why not get an aftermarket hood? They are much lighter than stock, less weight = faster.
Old 12-09-2013, 11:57 AM
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Originally Posted by sweetbmxrider
Why not get an aftermarket hood? They are much lighter than stock, less weight = faster.
See post #6. I prefer the unassuming look of a stock car.
Old 12-09-2013, 11:59 AM
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Ditto, I'd like to stay looking stock as long as possible, nothing better than an ls1-7 or 5.0 pulling up next to you at the track thinking "pshhhhh stock lt1 this will be easy" and waxing them.
Old 12-13-2013, 05:48 PM
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Originally Posted by SS RRR
Should have made a trap door to change air filter lol
Old 02-06-2014, 07:29 AM
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Well I picked up a stock LS1 setup. I have been looking around at installs and came across this:
http://diysrc.com/install-an-ls1-lid...7-camaro-hood/

"You have to lay the radiator back almost until the upper radiator hose touches the ABS mounting plate (1/4 inch gap). Pull the condenser out of it’s holding tabs and drop down. Tap down the top of the condenser. Bend the upper condenser hose to fit. Trim the radiator top. Trim the upper radiator support to fit your particular size air filter. Make some new holding straps/and or make a new cover. Cut the cross brace in the hood, just above where the Air intake will sit.

This write up was done for a 93-97 camaro. I am uncertain if a 93-97 firebird will be the same."



How does the condenser stay secure? If you pull it out of the mounting tabs and "tap it down" there is a hard line that snaps into a bracket on the passenger side bottom of the radiator. Do people remove those brackets?
Old 02-06-2014, 09:31 AM
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Originally Posted by bufmatmuslepants
Do a search, tons have done it. I had to use a cutoff wheel to cut a spot in the radiator support about 1" for the front of the filter support and clear the chrs1313 lid, then cut the tabs off the lid, lay the radiator back about 1" just drilling new holes for the plastic support, then bend the top edge of the radiator vertical, lay the filter on the metal radiator support cut area and radiator, lid on top with self tapping screws onto to metal support, trim the entry to the lid to accept the maf, $7 fernco coupling to the TB. Then cut the inside metal of the hood, slam it shut, done.


I am currently still projectile vomiting from this picture. And I saw it three minutes ago. It is one non-stop, continuous stream. It is making typing this difficult.

But if it works and you're happy F it!!!!

The dollar store beer makes me nervous.


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