what kind of gains will i see using the stock plenum and runners? (ported) with this baseplate. is there something better i can spend that cash on maby?

-Stell

------------------
1988 IROC 305TPI MINT!!
Mods= Accell SuperCoil, MSD 6A, Ported Plenum, No MAF Screans , K & N, 160 Thermostat+ Temp Switch, Relocated MAT, Cold Air

 

When I bought the Edelbrock base and runners for my 305 TPI, I was not impressed. I actually went slower in the 1/4 mile. (not by much though) If I were you Id spend the money on exhaust! If you had a 350, (which I have now) You'd do better with the base and runner change. After all the stock base and runners were made for the 305.

------------------
Convertible, L98, Mini-ram, ZZ9 cam, Comp Cams 1.52/1.6 steel roller rockers, Trick Flow 23* heads, K&N's with chopped airboxes, March underdive pulleys, Edelbrock ceramic coated TES, Flowmaster cat-back exhaust, Dynomax high flow converter, MAC subframe connectors, Accel box & coil, 3.23 rear gears, white face gagues, and NOS!
When I get back from Kosovo I will be installing these on-order items!

 

It also depends on how many mods you have. A stock engine will not benefit nearly as much as a modified engine would from the Edelbrock base & runners. As your engine builds more power, it will need the additional flow of a better base & runners.

 

With your minor mods, I would DEFINETLY go with exhaust first. A good cat-back from Hooker, Edelbrock or Flowmaster can be purchased from Jegs or Summit for under $300, and a set of Edelbrock TES headers will set you back $320. Those 2 things will work wonders on your 305's performance. Exhaust components should always be your first major mods

------------------
1987 Chevy Camaro IROC-Z
L98 TPI 350 (5.7L)
TH 700R-4 Transmission with 2.77:1 Rear End

Current Mods: Edelbrock TES 1 5/8" Headers, Hooker 3" Aerochamber Cat-Back System, Performance Resource Chip with 160* Thermostat, Accel Ignition Coil, Cap, Rotor, 8.8mm Wires, K&N Filters, JET TPI Air Foil, All Free Mods, Falken ZIEX Z-Rated Tires.

Best ET : 14.32 @ 97.7mph
(corrected for elevation)

Next on the list: LT4 HOT Cam

 

thanks guys, i am probably gonna get the hooker 2055 headers. they have that nice apealing look to them figure a good time because i have to change the oilpan gasket figure while i am underthere the headers, oilpump,starter,msd wires oh man thats gonna runup the bill oh i have the dynomax catback already, just didnot list that in sig

thanks
-Stell

 

I noticed a big difference on my ZZ4 crate motor when I switched from ported stock intake to the Edelbrock. Probably not as big a difference on a 305.


------------------
Rob P
89RSconvtZZ4TPI
92Z28convt5spd
71Impala convt 402BB
BETTER DRIVING THRU SUPERIOR HORSEPOWER!