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

List of stuff needed for installing headers

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Old 06-16-2010, 10:59 AM
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Default List of stuff needed for installing headers

I have been doing some research and as far as I can tell this is all that I need, but I would like to make sure I have it all covered before I get started.

LPP headers
LPP y-pipe
Exhaust clamps
Poly motor mounts
Header gaskets
Header bolts
Valve cover gaskets
EGR block off plates
Flat O2 extension – (the car is a 94 so I should only need one… Right?)
Remove the oil cooler – (what exactly do I need to have to do this?)
New Spark plugs (tr55) and wires
Oil / oil filter


Also, how much HP should I be expecting to pick up with these specific headers? I had read somewhere that it is 30/30 hp/tq because of the special merge collector. Is that about right?

Thanks guys!


EDIT: an extra set of knuckles & patience

Last edited by nascarextreme; 06-16-2010 at 11:57 AM.
Old 06-16-2010, 11:13 AM
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you forgot an extra set of knuckles, a jack that can lift your car at least 4 feet in the air, and a case of beer.
Old 06-16-2010, 11:19 AM
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add some patience to the list..
Old 06-16-2010, 11:56 AM
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Originally Posted by Ruck
you forgot an extra set of knuckles, a jack that can lift your car at least 4 feet in the air, and a case of beer.
Got that covered
Old 06-16-2010, 05:06 PM
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You need 2 block off plates. 1 for EGR and 1 for the pipe coming from the header.
Old 06-16-2010, 05:58 PM
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Originally Posted by gregrob
You need 2 block off plates. 1 for EGR and 1 for the pipe coming from the header.
Pipe coming from the header? I thought LPP's didn't have any emissions stuff on them.
Old 06-16-2010, 06:23 PM
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Pipe coming from the stock manifold.
Old 06-16-2010, 06:27 PM
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So... with headers on I will only need one block off plate, correct?
Old 06-16-2010, 06:28 PM
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If I buy this will I be covered? >http://cgi.ebay.com/ebaymotors/93-97...Q5fAccessories

Edit: Never mind, I see now what you are talking about.

Last edited by nascarextreme; 06-16-2010 at 06:40 PM.
Old 06-16-2010, 06:38 PM
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A BFH to bash those damned headers untill they fit.
Old 06-16-2010, 06:40 PM
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That so called merge collector is worth 0hp on a bolton car, probably worth 0hp on a h/c car too. Expect about 20rwhp max with a tune as well.
Old 06-16-2010, 06:41 PM
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Originally Posted by GreenbeanZ28
A BFH to bash those damned headers untill they fit.
Gotta love chinese quality. How are plug changes with the # 1 and 2 primary routing?
Old 06-16-2010, 11:51 PM
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i didnt use plates i just took egr out and welded ball bearings into the holes.
Old 06-17-2010, 12:17 AM
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Originally Posted by speed_demon24
Gotta love chinese quality. How are plug changes with the # 1 and 2 primary routing?
Had to chop a plug socket in half to make a special socked for 3 cylinders, IIRC. Also had to drop the starter to get to one or two on the passenger side.
Old 06-17-2010, 12:39 AM
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Does anyone else know of anything else that I should add to the list, or have a write up on what has to be done to remove the oil cooler? I also want to confirm that I only need one o2 extension. Thanks guys.
Old 06-17-2010, 04:44 AM
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You may not have a oil cooler. It will have a adapter under the oil filter for the lines if you have one on your car. My car doesn't have one, but its a 96.
Old 06-17-2010, 07:57 AM
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Hey:

1 ea. 12" o2 ext for 94-97 pass side, is all I needed for my LPP headers.

Are these real LPP or the Chinese knock offs?

Real LPPs are made in USA not China as our fellow Floridian has told us many times.

Either way you still may need the BFH.

You'll have to disconnect the battery and remove the starter for the install, at least I did.

The oil dip stick was the biggest pain in my install as it was hard to remove and get reinserted after removal, it took some trial and error bending to get back in and sealed up.

Also I would add to the list some high heat reflective tape or wrap to put around the fuel lines or wires where they come near the exhausts.

Add two real sharp drill bits, and grinder to take some time off the poly motor mounts installation. drill sizes included in new poly mounts.

If you have an oil cooler you will need, to shorten or get two shorter bolts to fit the filter spin on inplace, I just shortened mine with the grinder. you also have to plug the lines @ the cooler/ radiator if you dont want a few oil drips on the headers.

You may or may not have to BFH the rear passenger side of the car near #8 and may have to slot (die grind/ drill) and move your steering linkage at the firewall towards the passengers side to allow proper articulation of the steering linkage and not make contact with the headers.

Be prepared for the worst and some long days and hopefully all goes well.

Good luck on your install and take your time, it never pays to hurry the 1st time....

Dub

When In Doubt Do Without

Last edited by 1993 z28 f1; 06-17-2010 at 08:32 AM. Reason: spacing
Old 06-17-2010, 09:56 AM
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^ wow, all in one shot! Thanks!

The ones I'm ordering are the real LPP's not the knock offs.
Old 06-17-2010, 10:19 AM
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Originally Posted by Jcl_96TA
You may not have a oil cooler. It will have a adapter under the oil filter for the lines if you have one on your car. My car doesn't have one, but its a 96.
I have not looked at mine to check, but it is listed in the RPO codes from Compnine.com when I put in my VIN, so I am assuming I have one.
Old 06-17-2010, 10:21 AM
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Lots of time! Just got mine on and. . . . .Damn, it took foeva. . . .


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