edelbrock makes horrible headers and gained me 1mph better than my stock 14.4 @ 94mph. I didnt even drop in time! omg, im so frustrated right now $700 for the full exhaust and im running the same god damn speed.

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1990 G92 5spd LB9 - 3.42 80,000 miles

Accel Ignition/Wires (8.8mm), Advanced Timing, TB Bypass, Ported and Gasket Matched Plenum, Synthetic Motor Oil, 160 Thermo, TPIS Airfoil, K&N Air Filters, Centerforce I Pressure Plate and Clutch, Edelbrock TES Headers, Dual Cats, Edelbrock RPM Series Catback, Homemade Ram Air

14.4 @ 94mph w/2.0622 60ft

FOR SALE! Email me for further info.

 

Hrm... I guess you didnt see my previous warnings. I always recommend SLP headers and rate Edelcrock's near the bottom.

However since you already have the headers, there must be some other reason you ran the same, because they do help some. What was the track like the days you went? Was it hotter when you went recently with the Edelcrock headers? Perhaps there wasnt as much traction and you spun? Any other changes to the car?

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1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.23 @ 107.62 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
-=ICON Motorsports=-

 

I have to disagree with you guys, the TES Headers took .3 off my 1/4 times, and that's on a stock engine. I've recomended them to lots of people, and I know 3 other guys using them who have been as happy as I am. The SLPs are a rip off, the only good thing about them is if you have a 350, you can get the larger 1 3/4th sizes.

------------------
1987 Chevy Camaro IROC-Z
L98 TPI 350 (5.7L)
TH 700R-4 Transmission
Borg Warner 7.75" 9 Bolt Rear End with 2.77:1 Gears.

Current Mods: LT4 HOT Cam, Comp Cams 1.52:1 Roller Rocker Arms, Edelbrock TES 1 5/8" Headers, Catco High-Flow Catalytic Converter, Hooker 3" Aerochamber Cat-Back System, Transgo Shift Kit, Performance Resource Chip, Accel Ignition, K&N Filters, JET TPI Air Foil, All Free Mods, Falken ZIEX Z-Rated Tires.

Best ET (w/o LT4 cam): 14.32 @ 97.7mph
(corrected for elevation)

Soon to Come: 7.625" 10 Bolt with 3.42s and Accel TPI Intake Base

 

It was a very nice day, probably around mid to high 70's with a little humidity. I couldn't get a 2.0 60ft but I do believe I should have gotten a tad better mph.

------------------
1990 G92 5spd LB9 - 3.42 80,000 miles

Accel Ignition/Wires (8.8mm), Advanced Timing, TB Bypass, Ported and Gasket Matched Plenum, Synthetic Motor Oil, 160 Thermo, TPIS Airfoil, K&N Air Filters, Centerforce I Pressure Plate and Clutch, Edelbrock TES Headers, Dual Cats, Edelbrock RPM Series Catback, Homemade Ram Air

14.4 @ 94mph w/2.0622 60ft

FOR SALE! Email me for further info.

 

Either way you lose. Edelbrocks have several problems, SLP's have 2 1/4" collectors. I wish someone made a decent header setup for our cars.

 

I fully agree! I HAD the TES headers, and now I've switched to the Hooker Super Comps. I don't know if I should have gotten the SLP 1 3/4" headers; bigger isn't always better. But just comparing the Hooker Super Comps with the TES while they were out of the box made me realize what a fool I was to have gotten the TES.

Take for example the quality of workmanship where the primary header tubes meet into the collector. My (I don't know about yours) were CRIMPED to fit! They weren't any were close to being circular! Quite the opposite with the Hookers.

Also, the Y-pipe on the Hookers have a way better design that exits in a 3" opening, as opposed to Edlebrock's 2 1/2".. and at least the Hookers are TRUE 1 5/8" headers.

I'm glad that the ONLY Edlebrock parts on my car are the intake manifold baseplate and the valve covers.

 

Dont feel bad you could have went with the SLPs like Johny Hunkins did. They spent including the converters, $1285.95. And only picked up 8.9 horsepower with the 1 3/4 Slps headers over stock. But hey there the best on the market right...ROTFL.

The only thing I didnt like about the hookers was the flat collector gaskets. I like the OEM stlye donut, they almost never leak.

On my L98 90 IROC I dropped over 2 tenths, With the TES and stock converters.


------------------
Black 90 IROC, L98, A4, 323 gear. SuperRamed 406 in the works!

[This message has been edited by MikeH (edited July 11, 2001).]

 

Not many things will give you significant gains unless you do a head and cam swap.

Headers, even the edelbrocks, start to really show their benefits when you do a head and cam swap--> Then look at the difference in your time.

------------------
Hybrid Black 5.7L 5 Speed
'95 Competition Yellow Corvette Coupe ZF6

 

I see I am not the only one who didn't gain anything with the Edelcrock headers. The only thing they did for my car was make it louder!

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Founder of the Greater Cincinnati F-Body Association
Greater Cincinnati F-Body Association
1988 Yellow Trans Am GTA
Click here for photos

 

i haven't tried either one of their headers. i got some dynomax shorties and they fit perfectly. I got an exhaust made from the headers back with no cat with 3 inch. pipe all the way back to the glass pack. My whole exhaust cost me about 230 bucks all together. IF i think right that is cheaper than the edelbrock manifold alone. Oh yeah the exhaust gained me about 23 hp from a stock engine. Sounds good too.

------------------
85camaro305

mods:3in. exhaust pipe straight from the headers to a glasspack, edelbrock performer rpm intake manifold, edelbrock performer 600cfm elec. choke carb, dynomax headers, no ac and edelbrock signature chrome valve covers and a edelbrock pro flo air cleaner. oh yeah and lots of chrome stuff.

future mods:msd 6al, hei upgrade, and my wolverine cam to be installed, and march underdrive pulleys and a bumpin stereo.

"have u driven over a ford lately"

 

90-iroc zee, you may just not have enough umph to utilize the full potential of those headers and the exhaust, some backpressure is a good thing. Just an opinion though

------------------
Black 89 IROC...355, Solid Crower Cam, TFS heads.
12.0 @ 120.3mph with a 1.9 60ft...all motor

 

Kev,....

I keep on hearing about the SLP headers that you have to dent the pipe to make it fit, raise the motor & hope it still fits, I'm not into a pry bar against my streering to get a header to sit,....but, the clearence on a '91 Formula,...I don't see a fit anywhere.

Correct me if I'm wrong but, the MAJOR ques on headers, (& not the "shorties" crap), here is;
Which is the easiest to install?
The longer the pipes to the collector, the lower the rpm's which they make a differance ie;
longer the pipes, more torque @ lower rpm's.

The geomatry & physic's, (I know,... spell check is off), of proper header prefomance is beyond the scope of us,....so, how does one make a informative choise on headers, besides,.."which is the easiest to install",.....

Without any "real" info, (pressure ratio of ex-valve to ex-pipe, etc), this is just a, "Holley, Carter, Q-Jet" debate.
The 4 tubes to the collector,..same lenth, (basic),...who takes a tape measure to a set of headers?
How can you measure them on the web?

My intake, cam, heads, etc, dictates that my exhaust profile should be; "x" degree of bend,... @ "y" lenth= ???????,.....
I see no profiles or specs besides;
"the longer the tubes, the lower the rpm range of max torque"

So,...unless we computer design our
own headers to our "specfic" mods, (correct me if I'm wrong), we should be buying headers based on the, "money-to-time", (to get 'em in), ratio.

(BTY,... the sig was just a joke I had to get out of my system but,...the more I started to think about this,.....just had to ask some questions,......& have some fun along the way),....

MadBrewer



------------------
'91 Formula, (one of 72,000 made)!

KILLS;
78 Corolla, Datsun B210,
Ford Fistiva, VW Beetles,
that Pinto, (finally),

305 7cyl, TPI,
WS6 one tire posi,
rusted cat-back exhaust,
Dryer duct blower,
sub-frame connectors by Coat Hanger,
Pep-boys gas cap, (locking),
custom windshield eching

 

That last signature is prtty damn funny.. I have to admit that gave me a damn good laugh...I like the frame conectors

------------------
1987 T/A GTA 5.7L, Bored .020 and ported for .202 valves, edelbrock headers, flowmaster exhaust, JET STAGE II chip, Comp CAM, Adjustable fuel pressure, Airfoil, K&N filter, B&M stage 2 shift kit, and a home depot ram air(Hey it looks good and it works)

 

OUr cars come stock with 180 thermostats, did anyone ever think that they might be running there cars a litte to cool. Our engines aren't ment to run that cool and all enignes are ment to run warm not cold. Change your thermost and you might run a little faster.

 

Our cars came with a 195* T-stat. The 180* stat is going to be the best all around T-stat for a TPI setup.

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1987 GTA L98 MD8 GH3
355 '97 Vortec 4-bolt block, TRW(suck) forged pistons 10:1 CR, TFS 23*, LT4 Hot Cam, Ported plenum and intake, SLP Siam Runners, Edelbrock TES, gutted Cat, Flowmaster, K+N cone, AFPR, TB bypass, AirFoil, !AIR, !A/C, !EVAP, ARAP, 2300 stall, Hotchkis STB.

 

BTW, my car had TES on it when I bought it. When I built my current engine I cut off the AIR tubes, ground down the part of the AIR tube that protrudes into the header, and ported the entries to match the heads better. I also cleaned them up and coated them with some cheap ceramic coating. They look decent and I am satisfied with mine for now. As of right now my intake is my largest restriction but a miniram may be coming soon. When I do my intake upgrade I will likely go with the 1 3/4" SLPs regardless of any fitment issues. Unless I can find a good set of 1 3/4" long tubes but I have not seen these in existance yet. Anybody know of any long tubes for our cars? 1 5/8" or 1 3/4"???



------------------
1987 GTA L98 MD8 GH3
355 '97 Vortec 4-bolt block, TRW(suck) forged pistons 10:1 CR, TFS 23*, LT4 Hot Cam, Ported plenum and intake, SLP Siam Runners, Edelbrock TES, gutted Cat, Flowmaster, K+N cone, AFPR, TB bypass, AirFoil, !AIR, !A/C, !EVAP, ARAP, 2300 stall, Hotchkis STB.

 

Heddman and Hooker both have full length headers. The Heddmans are 1 5/8" and the Hookers are 1 3/4".

 

I hear the TES are great,....they suck,......
I see nothing eles but "Name Brand"
debating,....
I'm STILL trying to get an answer to WHY people spend $xxx on what they buy,......
All I'm getting is the, "Holley, Carter, Q-Jet debate",....



------------------
'69 Gibson SG,
LM6100 30th Anniversary Marshall 100w Head,
1959 4x12 full stack,
Digitech Legend2 guitar process, (oops,...wrong sig),....

'91 Formula, (one of 72,000 made)!

KILLS;
78 Corolla, Datsun B210,
Ford Fistiva, VW Beetles,
that Pinto, "(finally)",

305 7cyl, TPI,
WS6 one tire posi,
rusted cat-back exhaust,
Dryer duct blower,
sub-frame connectors by Coat Hanger,
Pep-boys gas cap, (locking),
custom windshield eching

 

I see there's no head/cam upgrade here,...
so, you can't expect TOO much on "one" up-grade,...it's a combo,...
put it all together,...then you be yamin' man

I hear the TES are great,....they suck,......

I'm STILL trying to get an answer to "WHY" people spend $xxx on what they buy,......
All I'm getting is the, "Holley, Carter, Q-Jet, my sister's dog runs 9's debate",....

------------------
'69 Gibson SG,
LM6100 30th Anniversary Marshall 100w Head,
1959 4x12 full stack,
Digitech Legend2 guitar process, (oops,...wrong sig),....

'91 Formula, (one of 72,000 made)!

KILLS;
78 Corolla, Datsun B210,
Ford Fistiva, VW Beetles,
that Pinto, "(finally)",

305 LB9, 7cyl, TPI,
WS6 one tire posi,
rusted cat-back exhaust,
Dryer duct blower,
sub-frame connectors by Coat Hanger,
Pep-boys gas cap, (locking),
Custom jobsite windshield eching

 

GeoMetro.. obviously to get any real benefits, a head/cam swap is the way to go. But just on a standalone topic of headers, (as related to TES) I've HAD the TES, and I know HAVE the Hooker Super Comps.

IMHO, the Hookers were of way better quality and craftsmanship. I didn't have any clearance problems at all.

With the TES, the driver's side header had actually chaffed the oil cooler line (I've had to buy a new set of oil cooler lines because of it) and was touching one of my brake lines. Don't believe me? I don't have pictures, but I've got a couple of witnesses... one of whom is a very reliable source of info on this board.

 

I put the SLP 1 5/8th on my 87 IROC 305 G92 car and got .3sec, 2mph and 1.2 mpg. I only have K&N, no maf screens, an air foil, adjustable fuel pressure regulator and a Jacobs ignition. I,m happy and stainless don't rust like tes headers. I still have the original factory 3" cat back pipes and muffler on the car. The headers did like 3 more # of fuel pressure, I'm at 47#'s now. Maybe you should try a good going over the basics on the car. Even tes should make a difference.

 

the hooker come with a Y pipe, the are the headers I have always wanted but did not know that they came with a y pipe.

 

You're in Ca., so when you go header shoping you'll find that you're limited in selection..you'll need 50State legal headers with the apprpriate EDO/CARB stickers..BOOM!!!>>> add another $200.00 immediately.

Now, what's left? Hooker, Edelbrock, SLP and I think one other vender qualify.

How many come in SS? Just SLP as far as I know...BOOM!!...add another $125.00 for that.