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08-23-2003, 09:17 PM | #1 |
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Join Date: Apr 2002
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curious as to what HP i possibly have
ok, i have been to the track with disapointing times to me and was wondering what HP you think I might have with and without spray based on my MPH and 1/4 mile times. I understand you will not have exact numbers but would appreciate a "guess" as to what you think I should have. these times were done on street tires if it matters. my mods are listed a t bottom.
BEST TIME WITH 75 shot of nitrous 13.227 at 112 with a 2.1 BEST TIME w/o nitrous 13.592 at 103 with a 2.0 60' time anyone with the holley systemax II kit that can make a hypothesis? Thanks, Jim
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90 lx hatch, holley systemax II kit, rebuilt 302, BBK 155 lph fuel pump, pro M bullet mass meter wtih BBk cold air intake, 30 # injectors, 70 mm TB, jacobs ignition system, edelbrock water pump, BBk longtube headers with h-pipe, flowmasters, b&m ripper shifter, 3.55 gears, Proform electric fan, subframe connectors/removed smog pump and ac! 75 shot of nitrous! 13.2 at 112 1/4 mile- no traction! |
08-23-2003, 09:34 PM | #2 |
Sober voice of Reason
Join Date: Nov 1998
Location: Kelowna, B.C., Canada
Posts: 1,514
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270-290, depending on vehicle weight, and 350-385 on the spray.
Get it on a chassis dyno and find the right fuel pressure and timing for that motor, either that or something has been hurt in that motor.
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393W: AFR 205's, hydraulic roller, TKO600. |
08-23-2003, 09:52 PM | #3 |
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mmmmmm that scares me a little bit! what could be hurt? any other thoughts?
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90 lx hatch, holley systemax II kit, rebuilt 302, BBK 155 lph fuel pump, pro M bullet mass meter wtih BBk cold air intake, 30 # injectors, 70 mm TB, jacobs ignition system, edelbrock water pump, BBk longtube headers with h-pipe, flowmasters, b&m ripper shifter, 3.55 gears, Proform electric fan, subframe connectors/removed smog pump and ac! 75 shot of nitrous! 13.2 at 112 1/4 mile- no traction! |
08-23-2003, 10:22 PM | #4 |
Sober voice of Reason
Join Date: Nov 1998
Location: Kelowna, B.C., Canada
Posts: 1,514
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You probably just need to get it dialed in. The 30 lb injectors are pretty big for the power it's making right now (N/A) so I think a custom burnt chip with info from a dyno run would be best. One with a switch option would be necessary for the nitrous though.
It might be something like valve float that's costing a bunch of hp at the top end or something like that, you'll need to dyno it to truly know. What are your fuel pressure and base timing at right now?
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393W: AFR 205's, hydraulic roller, TKO600. |
08-25-2003, 07:41 AM | #5 |
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Location: Saint Louis, MO
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You'll have to give your race weight for an estimate based on mph.
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Tom (Torque) Moss 88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE). http://www.fastlanecars.com/ |
08-25-2003, 08:01 AM | #6 |
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race weight is about 3200 lbs. timing is at 14 i believe and fuel pressure was recently set to around 39 at idle i think. had to do that for the nitrous that was installed.
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90 lx hatch, holley systemax II kit, rebuilt 302, BBK 155 lph fuel pump, pro M bullet mass meter wtih BBk cold air intake, 30 # injectors, 70 mm TB, jacobs ignition system, edelbrock water pump, BBk longtube headers with h-pipe, flowmasters, b&m ripper shifter, 3.55 gears, Proform electric fan, subframe connectors/removed smog pump and ac! 75 shot of nitrous! 13.2 at 112 1/4 mile- no traction! |
08-25-2003, 11:37 AM | #7 |
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Location: Saint Louis, MO
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270hp for 103 mph
348hp for 112mph at the flywheel
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Tom (Torque) Moss 88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE). http://www.fastlanecars.com/ |
08-25-2003, 05:23 PM | #8 |
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tires
You need to get some sticky tires for the track Jimmy. Then you'll finally see the times that your motor is truely worthy of. I'm sure you have over 300 hp at the flywheel...and with a little more practice and some better tires...your 1/4 mile times will reflect that. I wonder why the person that built your motor used 30lb. injectors? Strange... If you stick with those 30lbers. you may want to do what red82gt said and consider a run on the dyno...and possibly a custom burnt chip with those big injectors. I'm usually not a fan of chips...but for your application it may be of some benefit.
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08-25-2003, 06:39 PM | #9 |
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Join Date: Oct 1999
Location: Pierre Part, La. U.S.A.
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You can figure HP till you are blue. That is not your problem. The 60ft is your problem. Work on get the 60ft better, and you will love your car ten times more.
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88workcar 1988 Mustang LX 342. 417rwhp @ 6800. 28 X 10 ET Drag, 4.30s, 10.69 @ 126.43 1.42 60ft. 11.13 @ 127.7 on BFGs 1.72 60ft Rice Hater # 42 To be old and wise, You must first be young and stupid I'm somewhere in tthe middle. |
08-25-2003, 07:42 PM | #10 |
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Join Date: Apr 2002
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your right about the tires and 60 foot times. i had an earlier post that made that clear. i am just trying to burn the ones i have down now so that my next 2 wil be DR's howmuch do those chips cost typically? in the future i plan on buying a supercharger for it; hopefully in 2 summers (wife permitting). would the chip be obsolete if i get a superchardger eventually? thanks for replies. Oh yeah, when you purchase the holley syst. II kit, dont they come with the injectors already, or is that something the previous owner chose? cause I thought this kit "advertises" as 350 HP!
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90 lx hatch, holley systemax II kit, rebuilt 302, BBK 155 lph fuel pump, pro M bullet mass meter wtih BBk cold air intake, 30 # injectors, 70 mm TB, jacobs ignition system, edelbrock water pump, BBk longtube headers with h-pipe, flowmasters, b&m ripper shifter, 3.55 gears, Proform electric fan, subframe connectors/removed smog pump and ac! 75 shot of nitrous! 13.2 at 112 1/4 mile- no traction! |
08-25-2003, 09:20 PM | #11 |
Sober voice of Reason
Join Date: Nov 1998
Location: Kelowna, B.C., Canada
Posts: 1,514
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The 60 ft time is good for radials, it's the MPH that's the weak link.
I also forgot to ask what the altitude of your track is?
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393W: AFR 205's, hydraulic roller, TKO600. |
08-25-2003, 09:36 PM | #12 |
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whatever altitude rochester new york is! not sure
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90 lx hatch, holley systemax II kit, rebuilt 302, BBK 155 lph fuel pump, pro M bullet mass meter wtih BBk cold air intake, 30 # injectors, 70 mm TB, jacobs ignition system, edelbrock water pump, BBk longtube headers with h-pipe, flowmasters, b&m ripper shifter, 3.55 gears, Proform electric fan, subframe connectors/removed smog pump and ac! 75 shot of nitrous! 13.2 at 112 1/4 mile- no traction! |
08-26-2003, 01:09 AM | #13 |
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Join Date: Aug 2002
Location: SanAntonio, Tx
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hmm, my car is about 100 lbs less, but i run on a slick, but your setup should have much more aggressive cam, and better flowing heads......is say your car is capable of 106-107 with good tune on some dragradials, 13.0's.... or ice the intake, drop the clutch on some e.t. streets for a 1.75- 1.80 60' and your in the 12's guaranteed.
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X-Texas highway patrol ssp 1990 coupe - exploder Gt-40 iron heads, Explorer intake, 19 lber's. E-cam. crane 1.7 rollers. 190fp. 75mm maf. 65mm tb, tubular subframe connectors, mac cai, Asp crank pulley, T-5, king cobra clutch, flowtech 1-5/8 unequals, mac X-pipe Frpp driveshaft, lakewood Lca's. race weight 3,160 12.69 @ 107.35, 1.71 60' 26x8.5 drag's 3.90 gear 13.20 @ 106.91 - 235/60/15 firestones 2.3 60' 3.27 gear |
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