Just wanted to know if anyone had any ideas on what intake to put on my zz4 crate motor.

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1990 IROC TPI305, MSD 6A, DYNOMAX MUFFLER, MEGASHIFTER, 160 THERMOSTAT, HYPERTECH FAN SWITCH, AND A BLASTER COIL. WITH MORE TO COME!
2000 WS6
Dynomax muffler,
Paxton 12psi supercharger, Dynomax muffler and high flow cats, MSD ignition 6al and wires, corvette shift kit for my automatic tranny.

I am pretty happy with my Accel Superram manifold and large tube runners. My zz4 now pulls up to 6200 with no problems. It will do more, but I haven't felt the need to go higher on the RPM's - the HP curve maxes out at around there.
You will need a bigger throttle body and (probably) bigger injectors as well.

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http://www.havemann.com/lee/firebird.html
1989 Firebird Formula, WS6 Package
ZZ4 Crate engine, Accel 24 pound injectors, Accel Superram intake, Accel Large tube runners
SLP 58 mm throttlebody, Edelbrock TES headers, SLP 3" SS exhaust, Random Tech 3" hi flow cat
700R4 trans w/ vette 2/4 shift servo, worked valve body, kevlar band, 2200 rpm stall converter
Borg Warner 9 bolt rear (full poly mounts) Hotchiss panhard rod, Lakewood LCA's, Spohn subframe connectors, custom chip.

They're both almost identical, so whichever intake you can get for the better price is the one to use. Usually its the Edelbrock one that is the cheapest.


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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=-

Thats right, go for the cheapest one...

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GTA -89:Free flow muffler,dual 3" HF cats, Edelbrock headers, Vette heads, 1.52 RR 7/16, ZZ-9 cam, Big Mouth, AS&M LTR, !plenum, 52 TB, MSD 6AL, TPIS level V prom, Superior shift-kit and all the minor mods, a Canfield headed 383 in the works!! ready May 2001...
http://www.itv.se/tacs/members_cars/m279/m279.html (Swedish Trans Am Club)

I have the Edelbrock piece and am very satisified with it. I added it along with Accel runners. The engine will pull to about 6000 now where as before the swap it would only pull strong to about 5600.
bsa

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"If they do not run, Then they will die." - Stonewall Jackson
#3
'87 IROC, 355 TPI, Converted to SD, 700R4, B&M Megashifter, 3.42, Trick Flow Twisted Wedge Heads, Edelbrock Intake, Accel Runners, Comp Cam, Crane Gold rockers, Lucas 24# injectors, Edelbrock headers, Flowmaster 3'' exhaust, Mallory Ignition, Transgo Performance Shift Kit, Corvette Servo, 2,000 Stall Torque Converter

Accel's Super Ram isn't exactly a TPI clone although it's quite similar. It's aimed a bit further up the displacement, HP, & RPM scales. Think of it as being TPI's big brother.

An admittedly old Jeg's catalog that I still keep around for reference shows that Accel offers (or at least used to offer) two EFI manifolds/EFI systems.

The Accel system that looks much like GM's TPI is/was called the "Injectrix Street Ram" and is suggested for engines up to 383 CID.

The Super Ram has a much bigger plenum and the runners are shorter, bend only about 90 degrees, and feed from the bottom of the plenum rather than from the sides. It's specifically not recommended for engines much smaller than 350 CID. And as far as I know, there's only one runner set available for the Super Ram.

Norm


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1979 Malibu w/some cornering tweaks and a few other interesting things

[This message has been edited by Norm Peterson (edited June 07, 2001).]