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tuning for 10's
I am tunings for 10.90's with 93 octane with razors kit.
I run 75lb injectors, 67mm turbo, and all the right parts and a turbo tweak chip setup for this. I need to know what 1/8th mile mph and et to tune for as well as a 1/4 mile et and mph for a 10.90's run. I need to know things like what guys on here are doing for total timing, boost, etc... anything you can do to help me tune safely, etc.... thanks |
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You will need at least 97 to 98mph in the 8th with a decent 60'...probably 1.55. or better. You will need a 6.80 to 6.90 in the 8th with a 1.55 or worse 60'. Look for 100mph in the 8th and 120+ in the quarter for a 10.90 quarter run.
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![]() __Break out of the ordinary and do something different...__ __THE WORLDS FIRST GRAND NATIONAL AEROCOUPE!__ _________Click here...you know you wanna see it!________ 87 Turbo Regal - aka: Mrs. "T" - Updated with factory analog gauges from a 1992 Buick LeSabre...Check them out here!! 88 LeSabre T-Type (future turbo project) 78 Turbo Malibu 4.0 SDFI ----- Sequential Dual Fuel Injection --- 3800 "Fast Start" Ignition System --- Internal Gerotor Oil Pump |
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dude... be for real the parts could do 10.90s easy or maybe never but your list alone wont do it without some work if those ..and I quote.. "ALL THE RIGHT PARTS".. doesn't include heads tuning knowledge practice launching and some form of datalogging .
does all the right parts include ported irons , ported aluminums , what cam ? what trans? what converter ? what tires ? transbrake ? intercooler ? how much does the car weigh? what your asking would take a fortune teller , the tune needs to be worked up based on what your car is , when YOU reach 10.90 you're there , if your trying to dial in for a 10.90 index youll need to get there without trying so hard on the 60 that you'll spin and limit your boost to avoid running too fast if you want a ballpark based on many runs , its going to take more than 122 in the qtr (98 1/8th) unless your car can 60 1.4s and its if on unported iron heads it'll take a miracle as only few have achieved sub 10s without ported heads
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paul -NJ rep MAGNAbuick.com NJ,PA,MD DE -GN/TTA club 86 & 87 GN's A little fun with the GNs at Atco video my 86 10.4 on 93 with a 2004r on radials through the mufflers Last edited by pacecarta; May 26th, 2009 at 07:43 PM. |
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I should put my stuff in my sig so sorry. Thanks for helping me find some specs to make sure I am on the right path.
I have ported iron champions and matching intake and a 206 cam. I have a 70mm plenum, rjc intake baffle thing. I have a 109 block with billet mains and forged crowers and JE pistons. I run a transbrake, with a 3500 stall. I run 1.6x 60's, but about 95 in the 1/8th. I am getting close, and I thought my combo should pull 10's but I am just not there. Maybe I will try to erk a few points of timing into the car. I run 93 octane and a good mix of alky injection with no kr. |
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Who's Converter? Seems a little loose. Which 67?
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1987 Turbo T, Dark Blue Blackout Astroroof, Don Cruz Built 109, Forged Bottom End, 2xx/2xx Solid Roller, TA Headers, TA Girdle, DLS Ext. Oiling Sys., Champion GN1R Heads, PTE 71 Billet DBB HPS T4, PTE 95 Lb. Inj., PTE Plenum, RJC I-475 FMIC, RJC 4 Inch Exhaust, RJC Girdle, JW Racing Custom Forced Cold Air, JW Racing 3.5 DP, JW Racing Mini-Tub, XFI W/TC, AMS 1000, Co2, Meriere WP, 70mm TB, Tial 44 WG, Tial 50 BOV, Razor's Dual Alky, Alum. Rad., Dual Spals, 140 Billet Alt., PTC 9.5, Otto Built Stage 3 Billet 2004R, Lonnie Diers TB, Eaton Posi, Moser Axles, H&R Bar, Blabla, Street car..... ![]() www.ottosperformance.com |
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timing should be last , 23/21 should be plenty
get the tune straightened , i run faster than 95 in the 1/8th with a te44 at 23psi IMO (and experience ) ported champ irons ,206 and a 67 with alky pte fmic on a 3600lb car with a 1.6 (still dont know your IC or weight ) shouldnt need more than 21 psi to reach 10.8 @125 oh and injectory duty should be about 57- 60% (assuming no fueling issues ) for 6.90 99-100 10.90 125
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paul -NJ rep MAGNAbuick.com NJ,PA,MD DE -GN/TTA club 86 & 87 GN's A little fun with the GNs at Atco video my 86 10.4 on 93 with a 2004r on radials through the mufflers Last edited by pacecarta; May 26th, 2009 at 09:44 PM. |
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So, right now you're running about 7.40's in the 8th?
__________________
![]() __Break out of the ordinary and do something different...__ __THE WORLDS FIRST GRAND NATIONAL AEROCOUPE!__ _________Click here...you know you wanna see it!________ 87 Turbo Regal - aka: Mrs. "T" - Updated with factory analog gauges from a 1992 Buick LeSabre...Check them out here!! 88 LeSabre T-Type (future turbo project) 78 Turbo Malibu 4.0 SDFI ----- Sequential Dual Fuel Injection --- 3800 "Fast Start" Ignition System --- Internal Gerotor Oil Pump |
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oh and cuz im nozy , why are you after if your after a 10.90 tune?
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paul -NJ rep MAGNAbuick.com NJ,PA,MD DE -GN/TTA club 86 & 87 GN's A little fun with the GNs at Atco video my 86 10.4 on 93 with a 2004r on radials through the mufflers |
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Thanks guys for helping. The converter is the 10" from ckperformance.
Chopper rebuilt my turbo. It is a non ball bearing. It's a 67mm with a 63 compressor. I have a modded ecm with low impedance 75 lb injectors I have an aluminum stretch intercooler in the stock location. I am running exactly about 7.4 in the 1/8th, but my timing is at 21.6 degrees. Where I think my trouble is is the mixture of fuel/alky/not enough timing/too much boost. I don't have a data logger. I should probably get one at this point, along with a new converter from art carr. I am just using 10.90's as a benchmark. I think my combo should go faster, but to stay safe, I just want to say it runs 10's and have (some) longevity to my combo. I am at 400' above sea level. so pretty low. I am going to bump up the timing to 21/23 like stated, and bring in the boost and alky. question. Are there any more numbers besides the 02 crosscounts with fast update/kr that I should look at when I tune. I do not have a wideband. thanks for helping me, I like to learn as I go. I think the car weights about 3700 and I weigh 250. it has power everything, plus metal added in some spots to reinforce the lowers. Last edited by 11secondgs; May 27th, 2009 at 12:57 PM. |
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try this
Tuning the Alkycontrol kit most of it is common sense approach and tuning 101 but seems most just want to bolt on alky and skip all the tuning and crank the boost go right to advanced head lifting and gasket changing
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paul -NJ rep MAGNAbuick.com NJ,PA,MD DE -GN/TTA club 86 & 87 GN's A little fun with the GNs at Atco video my 86 10.4 on 93 with a 2004r on radials through the mufflers Last edited by pacecarta; May 27th, 2009 at 03:13 PM. |
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heres a screen shot of a what it takes for 10.90 3700#
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paul -NJ rep MAGNAbuick.com NJ,PA,MD DE -GN/TTA club 86 & 87 GN's A little fun with the GNs at Atco video my 86 10.4 on 93 with a 2004r on radials through the mufflers |
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hey,where can i get a program like this?
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1987 "T" 1 OF 5 DOE METHANOL TEST CAR #E-09396 1986 GN "junk yard dog" coming soon... SPEED UP YOUR POWER WINDOWS ; http://www.turbobuick.com/forums/gen...r-windows.html SOME INFO ON MY CAR;http://www.turbobuick.com/forums/gen...l-t-types.html aux audio input; http://www.turbobuick.com/forums/car...ml#post2019041 stereo/CS2 help; http://www.turbobuick.com/forums/car...sound-2-a.html\
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sent you an email gary
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paul -NJ rep MAGNAbuick.com NJ,PA,MD DE -GN/TTA club 86 & 87 GN's A little fun with the GNs at Atco video my 86 10.4 on 93 with a 2004r on radials through the mufflers |
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If you want to tune safely you will need a Wideband O2, and some methood of data logging. I can't imagine tuning with a narrow band O2, especially when the margin of error is so small - one small tuning mistake can be very costly.
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86 GN 109 .030 over, 4" MAF pipe, TA-49, Dutt neck, TT Chip, Champion Irons, 210-215 roller, 1.65 roller rockers, Denso Fuel Pump, 80lb injectors, 3" Down Pipe, Hooker Catback, 10" PTC 2800, TH400, 3.5" aluminum driveshaft, and E85 11.229 @ 121 w/1.600 60'
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I am going to get a wideband and a datalogger. Talked to another guy who has one and now I am convinced.
One question. What camshaft should I upgrade to if I want a rumble at idle, and maybe a touch more power. I think the 206 is a good cam, but I want to go bigger on the lift. Can you install rollers in these motors without too much trouble? If you can, what is a good 10 second roller that might sound better at idle than a 206. My 494 GS has a 308s which sounds awesome, so that is why I am asking. I know that v6's don't sound like 455's, but what are guys running? |
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you want noise get a 3" or 3.5" single shot shorty exhaust , dump it out the side or under the car ... more rumble sound than would care to drive around with ...
i actually dont like that some people hear my car and think im running a v8 and i run a full dual 2.75" system with magnaflow , strong but quite at idle , aggressive just trying to roll out and its justa flat tapper 212/208 with stock rockers lopey comes with chevys v6s dont lope unless theres a flat lobe on the cam
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paul -NJ rep MAGNAbuick.com NJ,PA,MD DE -GN/TTA club 86 & 87 GN's A little fun with the GNs at Atco video my 86 10.4 on 93 with a 2004r on radials through the mufflers |
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im saying noise does nothing for performance ...lope isnt something a buick should have, even an aggressive cam with a restrictive exhaust will sound quiet
the 206 is fine ... you want rumble work on the exhaust side
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paul -NJ rep MAGNAbuick.com NJ,PA,MD DE -GN/TTA club 86 & 87 GN's A little fun with the GNs at Atco video my 86 10.4 on 93 with a 2004r on radials through the mufflers |
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I run 3" dual exhaust after the collector exiting after the wheels. I have a race gate external.
I was running 24 lbs of boost. I think I need a better converter. I just wanted to confirm that my cam is a good selection for what I want to do with the car. I do drive the car alot. Last edited by 11secondgs; May 28th, 2009 at 08:26 PM. |
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I can tell ya...a 226-226 with .580 lift is a cam that sounds NICE when idling. It was just the right amount of "cam" that makes the car sound fast. Unfortunately, it made the car's drivability much worse than the cam I have in it now...a 212-212 with .570 lift. (1.65 rockers) I can't "hear" this cam at all.
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![]() __Break out of the ordinary and do something different...__ __THE WORLDS FIRST GRAND NATIONAL AEROCOUPE!__ _________Click here...you know you wanna see it!________ 87 Turbo Regal - aka: Mrs. "T" - Updated with factory analog gauges from a 1992 Buick LeSabre...Check them out here!! 88 LeSabre T-Type (future turbo project) 78 Turbo Malibu 4.0 SDFI ----- Sequential Dual Fuel Injection --- 3800 "Fast Start" Ignition System --- Internal Gerotor Oil Pump |
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I am happy with my 212/212 enough lope yet is a very streetable cam as well. Probably better ones there, but I am happy with it for all conditions. And at that boost level with your combo it is capable of high 6's i would think which is your magic 10 sec pass.
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87' GN Hard Top: ATR Headers, Cross Over, & 3" DP, Hooker 2.5", 6776 Turbo, 60lb Motrons, Gen II, Extender Extreme G, Frame and Rear seat braces, Ported Iron Champions & Intake, 212/212 Roller, ATR Double Pumper, Line Lock, AC 3200 NL, UMI Adjustable uppers, UMI boxed lowers, Precision FM, RJC Power Plate, SM, Powerlogger, Razor's Alky, LC-1 |
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