What kind of MPG are you all getting?
10 around the city, 22 on the highway
You may also want to request a mods list as well
ported 12a (not sure of port job, PO said that it's a BP, but I doubt it)
Holley 465 from RB
K&N
RB uncollected header
RB duals
Magnacore 10mm Race Wires
MSD Blaster 2 coils
Holley Blue pump @ 6psi
e-fan
no p/s
no a/c
two buckets and dash
factory trans and rear with Valvoline synth blend
Royal Purple in engine
remote mount oil filter
FMOC
grounding kit
new factory clutch and flywheel
timing @2k idle: 90 degrees off, timing mark faces drivers front wheel
You may also want to request a mods list as well
ported 12a (not sure of port job, PO said that it's a BP, but I doubt it)
Holley 465 from RB
K&N
RB uncollected header
RB duals
Magnacore 10mm Race Wires
MSD Blaster 2 coils
Holley Blue pump @ 6psi
e-fan
no p/s
no a/c
two buckets and dash
factory trans and rear with Valvoline synth blend
Royal Purple in engine
remote mount oil filter
FMOC
grounding kit
new factory clutch and flywheel
timing @2k idle: 90 degrees off, timing mark faces drivers front wheel
Last edited by OneRotor; Aug 8, 2006 at 01:50 PM.
I average around 20-21 in town, and 24-26 on the highway. Both would likely be a little higher, if I resisted the urge to open the secondaries more often.
I have gotten below 15 a couple times, by taking it to the track and playing around for the day.
Engine is mostly stock, with a freer flowing air cleaner and exhaust.
I have gotten below 15 a couple times, by taking it to the track and playing around for the day.
Engine is mostly stock, with a freer flowing air cleaner and exhaust.
Originally Posted by t_g_farrell
Theres a thread on this thats pretty long already. Do a search and you should find it.
Trending Topics
6 in town, 8-10 on the highway
-se rotating assy in 74-78 irons with huge primaries, race secondaries, race exhaust ports
rx4 intake manifold with modded nikki(140/160jets)
RB race header-2.5 collector-3in back from there
isaac
-se rotating assy in 74-78 irons with huge primaries, race secondaries, race exhaust ports
rx4 intake manifold with modded nikki(140/160jets)
RB race header-2.5 collector-3in back from there
isaac
im getting 15mpg average. most of that is highway driving, and maybe 25% city. and i drive about 70-80 all the time on the highway, and the car doesnt like low speeds or low rpms. i have a heavy foot, and i live down a curvy country road. 
this is on a streetported (ive been told) Gslse with a rb intake manifold and holley 600, with rb true dual exhaust to a single universal muffler.

this is on a streetported (ive been told) Gslse with a rb intake manifold and holley 600, with rb true dual exhaust to a single universal muffler.
Right now, because I can't figuer out what the hell is wrong(((AAARGGGHHH))) it's runnign really rich and I am getting an average of 9-10 MPG with a stock GSL-SE.I will fix it eventually once I find out what to look for!
Originally Posted by coldy13
10-17mpg depending how much I boost 
stockport 12a, TII Turbo, nikki carb(stock/255 jets), 2.5" straight pipe

stockport 12a, TII Turbo, nikki carb(stock/255 jets), 2.5" straight pipe
With stock 12A with many bolt-on modifications such as modded Nikki, 122rwhp 28mpg highway 23mpg urban.
With relatively stock 12AT with good exhaust system, FMIC and Microtech ecu, 220rwhp 26mpg highway 22mpg urban.
Wife's 13BT and streetport, 285rwhp 18mpg highway, 12mpg urban on premium fuel: that is why I am changing to a 12AT with the future high cost of fuel.
The highway is at averaging 68-70mph on relatively flat roads minimum traffic, while the urban is averaging 30mph as never have to drive in heavy city traffic. Driving style is moderately sporty, but usually change gear at 3,000rpm. Average one speed ticket every three years!
With relatively stock 12AT with good exhaust system, FMIC and Microtech ecu, 220rwhp 26mpg highway 22mpg urban.
Wife's 13BT and streetport, 285rwhp 18mpg highway, 12mpg urban on premium fuel: that is why I am changing to a 12AT with the future high cost of fuel.
The highway is at averaging 68-70mph on relatively flat roads minimum traffic, while the urban is averaging 30mph as never have to drive in heavy city traffic. Driving style is moderately sporty, but usually change gear at 3,000rpm. Average one speed ticket every three years!
Originally Posted by cdrad51
255? daumn, those are ginormous jets. I hope those are your secondaries 

if your worried about mpg you don't need a rx 7 i don't want to figure mine 84 gsl 13b 4 port half bridge with a dellorto and soon to have a 48 ida should go past everything but the gas station
Originally Posted by coldy13
Yeah, those are the secondaries. I was running 235's and it felt good, but I got some free dyno time to tune it and found it was going lean at high rpm even with 235's, so I drilled em out more to 255 and it didn't go past 13.0:1
I would have gotten smaller air bleeds, but I'm using a nikki carb, don't think anyone sells different size air bleeds or jets for them. I'm happy with how its tuned now, it's a little rich at mid RPM's(11.5-12:1), and slowly gets leaner to 13:1 at 7500. Around 13:1 is where it will make the most power.




