i just purchesed dynomax shorty headers for my 85 z28 the guy told me i had to fabricate the y pipe to make the headers fit is this true? also the y pipe is the stock one. i can install the headers to the engine myself that's no prob but connecting them to the y pipe is another story is it extremly hard?

thanks

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1985 z28 T-tops( under construction)305/700r4,edelbrock performer intake/cam,holley 600cfm carb,dynomax headers, 3.23 rear,autometer gagues, edelbrock valve covers

 

deja vu

 

True? Yes.

Hard? Yes.

Expensive, too.

Why did you get those headers? Because they were cheap?

Unless you can fabricate your own pipe, no header is going to be "cheap" if it doesn't include a y-pipe that will bolt to both the headers and your car.

Send them back and get a proper set. If you don't have enough money to do that yet, save up until you do.

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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4 (restalled TC). Ported World 305 heads, Crane PowerMax cam. ZZ4 intake, oil pump, pan & baffle. Accel HEI SuperCoil & module. Hooker 2055 headers, 3" Catco cat & 3" catback w/dual-opposite Flowmaster. 2.93 limited slip, Spohn SFCs. AMSOIL syn lubes bumper-to-bumper. Daily year-round driver. Best ET, speed TBD...
57 Bel Air, my 1st car. '66 396, 9.7:1 forged TRWs, Weiand Action+, Holley 750VS w/4150 conversion, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 700 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).

 

i went with those headers because yes money is tight and i have had dynomax full length on my regal before this and never had any problems with them. im just trying to find out what exactly has to be done to the y pipe to put the headers on. does the y pipe have to be cut to fit? or welded on to the header? or ???

[This message has been edited by Bobbyz (edited November 09, 2001).]

 

call dynomax. They should have a Y pipe

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-Tas
'89 Formula WS-6

305, TBI, 700R4, P.A.W. 14x3 open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips, Hooker 1-5/8" 50 state legal headers, Dynomax 3" I pipe (PN 44063 and 43248)
Super GRK_Taz World
F-Body Dual Exaust
EFI & Intake Options

 

i had the dynomax headers put on yesterday what a pain in the as*. i thought i can get away with using the stock y pipe boy was i wrong. so i went to this muffler shop in the bronx i had the headers put on custom make a y pipe and take the cat. out for $260 not bad i think.


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1985 z28 T-tops( under construction)305/700r4,edelbrock performer intake/cam,holley 600cfm carb,dynomax headers, 3.23 rear,autometer gagues, edelbrock valve covers

 

I am in the process of installing those Dynomax shorties, on my car, the stock Y-pipe will need to be modified, but it wont cost me too much to have it done. for example the shop im takin it too, the guy said he would run duals from the headers back including mufflers and everything for $200, plus i know him, so he will hook me up, boy is it going to be fun driving to his shop with open headers

as far as the installation i have installed the passenger side withoug any problems, but i havent messed with the drivers side yet so i dont know if im in for a surprise

BOBBYZ how much of a pain was it to get the driver side in? i have already removed my A/C and power steering, was it a tight fit??

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87 IROC-z 305 TPI
Borg Warner T-5 fresh rebuild
10-bolt 3.73 Richmond gears rebuilt GM posi,
formerly BW 9-bolt w/3.45 gears(broke it)
Ported Plenum and Runners Homemade AFPR
ACCEL 8.8 wires, High output coil,and cap & rotor
Bosch platinum + 4 plugs
Ram Air w/ K&N filters,
MAF sensor screens removed, TB coolant bypass
Polyurethane tranny and torque arm mounts
Gutted Cat, Dynomax catback w/custom tips
K&N oil filter,Mobil 1 synth,Factory Oil Cooler, Futura GLS Super Sport tires 265/50/15 rear and 235/60/15 front mounted on 86 monte carlo SS rims ,

400 sbc and a 6 spd in the works

 

the driver's side is not that bad. the valve cover had to come off because i have the tall profile but other then that the power steering on my car did not have to come off.
and i have no ac. just wiggle it down it will fit.

i am almost sure you will need a new y pipe made. i tried to go the easy route and use my stock y pipe no chance in hell it would fit so i had a new one made.
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1985 z28 T-tops( under construction)305/700r4,edelbrock performer intake/cam,holley 600cfm carb,dynomax headers, 3.23 rear,autometer gagues, edelbrock valve covers

[This message has been edited by Bobbyz (edited November 12, 2001).]