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Necoa #: 14
Location: 5(NC,SC)
Joined: Dec 07, 2001
Posts: 1761
Year: 1978
Model: El Camino
Posted: Thu Jan 29, 2004 8:48 am Post subject:
That's one of the main reasons I still have stock manufolds. I think I will someday go the shorty route. _________________ 78 Camino SS, 355,built 700r4,3.23
Gallery78 Camino SS, 355,700r4,3.23
MSGT 145 AW
NECOA #14
Necoa #: 14
Location: 5(NC,SC)
Joined: Dec 07, 2001
Posts: 1761
Year: 1978
Model: El Camino
Posted: Thu Jan 29, 2004 5:28 pm Post subject:
I want a set that does not have the air tubes. Precomputer emmissions. In fact I might modify the crossmember & go will true duals & cats. _________________ 78 Camino SS, 355,built 700r4,3.23
Gallery78 Camino SS, 355,700r4,3.23
MSGT 145 AW
NECOA #14
Necoa #: 14
Location: 5(NC,SC)
Joined: Dec 07, 2001
Posts: 1761
Year: 1978
Model: El Camino
Posted: Fri Jan 30, 2004 6:20 am Post subject:
For you guys that used headers into the ypipe & single cat. How much of a difference did it make? Was it worth it? _________________ 78 Camino SS, 355,built 700r4,3.23
Gallery78 Camino SS, 355,700r4,3.23
MSGT 145 AW
NECOA #14
I have a set of DynoMax on my 76 that will work fine on the 5th gens and they are not made for single exhause but I guess if you wanted a single exhaust then you could do that too. Mine are Cerma Coated (Jet Hot Coating) silver in color. They have never discolored. Real nice I might add.
I actually got them for my 80 then decided I wanted them on my 76 insted. I'm using DynoMax Full length headers on the 80. _________________ Home Site: http://www.elcaminoplace.com
1972 El Camino Custom 400
1976 El Camino Classic
1980 El Camino Super Sport
E-Mail: engstrvr@sbcglobal.net
Posted: Thu Feb 05, 2004 3:08 pm Post subject: shorty headers
i used a set of flow tech headers from summit, made for 78-88 g-body cars price 89.95 drivers side slid right up from the bottom passenger side from the top part # in the summit catalog is "big-11102, easiest set of headers i ever installed _________________ thanks ken
Posted: Sat Mar 13, 2004 9:38 am Post subject: shorty headers
There are several different companies that make em. I had to use them becuase i put L-31 vortec heads on my 350...and there is NO SUCH THING as a stock manifold to fit vortecs in a passenger car.....learned that on a saturday after parts store was closed...killed the engine install for 2 days. _________________ race prepped 350 .040, msd ignition(6-AL, billet distributer, MSD Blaster 2), L-31 vortec's, .488/.488 lift cam, 670 street avenger, air gap intake, roller rocker arms, TH350, 2500 stall, 3.73 gears. Exxon loves me!
Necoa #: 6
Location: 15(AZ,NM)
Joined: Feb 23, 2003
Posts: 85
Year: 1979
Model: El Camino
Posted: Sat Mar 13, 2004 10:57 am Post subject:
Thanks for the info guys, I'll make a note of it for when I have the cash to pick up a set.
As for the guys who were asking about dual exhaust crossmembers, I purchased mine from www.crossmembers.com and have been super satisfied with it, as I was able to get one to fit a 700-R4. At the time I switched to the 700-R4 I worked in the service dept at a chevy dealership and the head service manager came by to check out my el while it was up on a lift, and he was very impressed by the crossmember. I guess he purchased one for his big block 5th gen and has had no problems what so ever.
workNprogress - Are you talking intake manifolds? Cause we're talking exhaust in this thread. But to try and help you out you're correct that the intake manifold bolt pattern is unique on Vortec heads as opposed to other SBC heads. When you want to run a carb with Vortec heads you can either (A) attempt to modifying your existing Pre-86 carb manifold to use the Vortec bolt pattern. It can be done, but you had better know what you are doing. OR (B) buy an an aftermarket intake manifold. There's now a number of them offered by various companies, the widest variety by Edelbrock. I run Vortec heads myself, but when I switched over the only carb intake for vortec heads was made by GM Performance Parts for use on the Fast Burn crate motor. Thank goodness I worked at a dealership, because otherwise that's one expensive intake. Hope I could help. _________________ screenwriter-director-welder-bartender
myspace.com/nealtrout
Necoa #: 2314
Location: 20(HI)
Joined: Jan 29, 2004
Posts: 3653
Year: 1979
Model: El Camino
Posted: Sat Mar 13, 2004 10:31 pm Post subject:
That crossmember looks real nice with a real nice price, but I guess you gotta pay if you want to play.
Vortec intake manifolds are easy to get now and priced about the same as the early small block intakes.
And Tommy you got a beautiful Elky but it's crying out for a set of ceramic coated exhaust manifolds. Don't bother with the y-pipe and a single cat--go for true duals and add cats if you have to for emmision standards. I wouldn't be surprised if headers with dual exhaust gives you another 35hp and a difference you could really feel. _________________ 1979 El Camino\r\n1955 Chevrolet Del Ray\r\n1962 Corvette\r\n1966 Corvette Coupe
Necoa #: 14
Location: 5(NC,SC)
Joined: Dec 07, 2001
Posts: 1761
Year: 1978
Model: El Camino
Posted: Sun Mar 14, 2004 9:42 am Post subject:
I am going to look closer that our emmisions standards here. The guy that inspects my cars said that sense my Elky came with one cat then it can have only one. That's the only reason I still have stock manifolds. After this year to is surposed to be emmisions exempt. If that's the case then I will do shorty headers & true duals. I know the manifolds & y-pipe are really hurting out put on this performance 350. I always run headers on my earlier Chevelles cause I didn't have to worry about emmisions. I am looking forward to true duals. _________________ 78 Camino SS, 355,built 700r4,3.23
Gallery78 Camino SS, 355,700r4,3.23
MSGT 145 AW
NECOA #14
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