Back on LS1Tech with a new ride
Thread Starter
TECH Resident
Joined: Oct 2008
Posts: 966
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From: Redondo Beach, CA
Back on LS1Tech with a new ride Hey guys, I sold my LT1 in august last year - now im back here with a new (to me) LS1 camaro SS. I'll be picking it up on tuesday.
Info on the car:
Full suspension (eibach springs, slp subframes, bmr lca, bmr panhard, bmr adjustable torque arm) Bare cross drilled and slotted rotors with ebc green pads. Full exhaust 3" (pacesetter long tubes, magnaflow), new built rear end with 4.10's(new gm gears, tom's axles, aburn posi, welded axle tubes, new bearings/seals) Aluminum driveshaft, motor and trans have 20,000 miles (Motor: ported heads,gm hot cam kit (behives, pushrods),z06 intake,hv slp oil pump, k&n fipk kit) z06 wheels 275's front 315's rear, car was dyno tuned at r.e.t. and made 406 hp to the wheels on a conservative tune
So i'm wondering what kind of gas mileage i can expect from this - i know it's going to suck, but i'm wondering what level of suck this is going to be. wondering how the drivability is going to be with those 4.10's? Last question, what RPM should I be shifting at? Seller said 6200 is the limit.
Thanks guys, will post pictures later this week.
Info on the car:
Full suspension (eibach springs, slp subframes, bmr lca, bmr panhard, bmr adjustable torque arm) Bare cross drilled and slotted rotors with ebc green pads. Full exhaust 3" (pacesetter long tubes, magnaflow), new built rear end with 4.10's(new gm gears, tom's axles, aburn posi, welded axle tubes, new bearings/seals) Aluminum driveshaft, motor and trans have 20,000 miles (Motor: ported heads,gm hot cam kit (behives, pushrods),z06 intake,hv slp oil pump, k&n fipk kit) z06 wheels 275's front 315's rear, car was dyno tuned at r.e.t. and made 406 hp to the wheels on a conservative tune
So i'm wondering what kind of gas mileage i can expect from this - i know it's going to suck, but i'm wondering what level of suck this is going to be. wondering how the drivability is going to be with those 4.10's? Last question, what RPM should I be shifting at? Seller said 6200 is the limit.
Thanks guys, will post pictures later this week.
Last edited by nik1703; Mar 9, 2011 at 12:04 AM.
I don't see why your gas mileage would suck at all,I spin mine to the moon so I couldn't tell ya a good shift point lol,I think all m6s should have 4.10s,that's personal opinion though,there really not bad at all,this guys car I detailed was a 00 ss stalled auto,228 with ported 243s,some other stuff and his gas mileage was great,one thing I will say to add is a cut out,just for when ya wanna make noise,one of my fav exhaust set ups is magnaflow catback and a cutout,get the best of both worlds,well congrats man,be safe and God bless
Congrats on the car! I would not worry too much about mileage, it should not suffer much with those mods, just your right foot 
In regards to the rockers and springs, betting it has upgraded springs and pushrods with that hotcam. The stock rockers are just fine with an aftermarket cam, no need to replace them.
In regards to the rockers and springs, betting it has upgraded springs and pushrods with that hotcam. The stock rockers are just fine with an aftermarket cam, no need to replace them.
Gas mileage should be near stock or better depending on the tune. That car doesn't have a huge cam in it so it shouldn't suffer. As a shift point I would say 6500 would be a good start with that cam Might have to lower it a few hundred depending on where it peaks.
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Thread Starter
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From: Redondo Beach, CA
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What kind of ported heads? 
Welcome back.........enjoy the new ride!!!!!
Basically I'm looking at Bolton ls6's that are making like 385hp or so. A few up over 400 but that's with more aggressive boltons.. I guess it's deff possible if the head work was done really well with a good tune..but it's still a 241 head and you said mild head work which still puts it as not as good as the 243 head..
Eaither way I wasn't trying to troll, hella clean car and I'm sure it scoots... But your gonna get the mod bug.... Fast.
They tell me that there is no cure Eaither just treatment
Eaither way I wasn't trying to troll, hella clean car and I'm sure it scoots... But your gonna get the mod bug.... Fast.
They tell me that there is no cure Eaither just treatment
TECH Regular
Joined: Aug 2010
Posts: 462
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From: houston, texas
i got 23mpg goin to san antonio runnin bout 80+ with my MS4, fast/ptm 92 and 4.10's. not that it matters....i could've gotten 18mpg and would not have gotten rid of them. thats why i put 'em in my 12 bolt. nice car BTW. can you post an idle clip. i need a cam for my 97 truck swap. thanks
