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03-19-2009, 05:21 AM #1
- Join Date
- Nov 2005
- Location
- Huntsville AL
- Posts
- 20
Bright Green Metallic- 1998 Z28 Camaro
Best Bang 4 Buck, HP AND Gas Mileage?
I have a 98 Z28 that I bought new. 70,000 miles. Only power mod is a Lid so I'm starting from scratch. I'd like a nice increase in HP with no loss of Gas Mileage. I'm not up to speed on ported LS6 heads vs ported LS1 heads. Or the LS6 cam vs other cams with respect to power and gas mileage. Given about $3000 (not firm) what would be the recommended setup? I want to retain low rpm torque and a relatively quiet car.
Thanks,
Jim
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03-19-2009, 05:34 AM #2
nice set of plugs and check plug wires first
SLP cold air is nice for mpg and some performance
as for mods good set of LTs with Y pipe and good cat back
a good tune and not from a handheld
ls6 intake would be nice benefit for you
LS6 is a good cam but only gains you a few ponies. since you want over all power a proven 224 be up your alley.
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03-19-2009, 06:29 PM #3
Cam, longtubes, and heads and your mpgs will go down.
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03-19-2009, 06:50 PM #4
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03-19-2009, 07:18 PM #5
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03-19-2009, 07:37 PM #6
- Join Date
- Nov 2005
- Location
- Huntsville AL
- Posts
- 20
Bright Green Metallic- 1998 Z28 Camaro
How about just going LS6 heads, LS6 cam? Isn't that about 50 HP and same Mileage?
Jim
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03-19-2009, 07:38 PM #7
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03-19-2009, 07:42 PM #8
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03-19-2009, 07:43 PM #9
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03-19-2009, 07:45 PM #10
sorry your car sucked for mpg. like i said it all depends on the cam that is specd out. something with a lot of over lap isnt going to be effeicent as one with 0* overlap. i guess mid 20s average for mpg is bad?
local dude with a 224/230 cam in his vette gets 32mpg average
i seened 20mpg with a cammed 6.0 3800 stall in a 4600lb truck a few years back.... again it depends on tune and driving habits
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03-19-2009, 07:51 PM #11
Lol. These guys with there Vettes and that "mpg indicator" crack me up. My buddy with his C5 says it gets like 30 somethin per gallon. This is not real mpg. If he were to do some actual math and calculate miles driven divided by gallons used it would be quite different. Mid 20s? My car got an average of about 22-23 mpg (city and highway) when new and unmodified. It just goes down from there. Do you even have an aftermarket cam, longtubes, offroad Y? One guy on BITOG told me Impalla SSs can get 30mpg. Lmao. My friend has one and he gets about 16mpg.
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03-19-2009, 07:57 PM #12
never said one word about those DIC. im speaking calculations. bone stock 02 SS with my tune got 30mpg on the highway trip we took. m6 with 342s
its all in how hte vehicle is tuned and what condition its in along with driver style. my 88 5.0 used to average 22mpg
just tuned a 02 TA with LTs, ORY and now gets 22mpg city driving. it had bad 02s and piss poor tune before and was only getting 15mpg
my blazer which is stock minus a 87 octane tune sees 20 mpg average and has seen as high as 23mpg on a long highway trip.
and NO PA is not flat
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03-19-2009, 08:03 PM #13
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03-19-2009, 08:08 PM #14
the car i tuned that got 30mpg went 12.6@109 with 1.8 60'. car had stock manifolds and Y pipe. it was a 345hp car. thats a lid, filter and muffler from factory. it would of went faster if he had a good 60'
the most recent car hasnt been track yet cause of its not open.
you tune a car for drivalbity and performance, i dont know your tuner bud nor do i care. if your not getting mpg its cause of tune, poor car condition or your right foot
so your tuner tunes the 7s cars on the board? or is it the 8s cars? or is it the 9s cars? or you just speaking out your ass
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03-19-2009, 08:25 PM #15
http://www.ls1tech.com/forums/drag-r...s-any-c-i.html Scroll down to ASH WS6. Tuner is Jeff goes by "Granny Shifting" on Tech. Owns P.S.I. in Glen Burnie. Only one talking out of there ass here is you. My cars been in the 11s, cam only. Not the deepest in the 11s around but I don't practice too much. His car goes 10.7s cam only at around 125mph.
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03-19-2009, 08:28 PM #16
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03-19-2009, 08:32 PM #17
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03-19-2009, 08:34 PM #18
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03-19-2009, 08:38 PM #19
But you agree that adding a larger camshaft, one that makes more power then just adding a awesome LS6 cam or a special stock ZO6 cam.... Requires more fuel... along with air. Right? Does that not affect MPG?
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03-19-2009, 08:40 PM #20
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