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Author
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Topic: Mail order tunes
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triple b
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Member # 8763
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posted
 
 
Anyone using any mail order tunes like sct, ect. and have good results?
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1988 4cyl conv 306 HCI "sasha"
2004 tahoe
Sold- 87 GT, 72 chevelle, 63 biscane, 82 monte carlo, 73 nova, 88 silverado,
Posts: 1730 | From: sacramento ca | Registered: Nov 2008
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SwEeT03Gt
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Member # 10283
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posted
quote:
Originally posted by triple b:
Anyone using any mail order tunes like sct, ect. and have good results?
i am but i got a new edge, havent taken it to the dyno, but have felt a big diffence
Posts: 4484 | From: -NicKlE n DiMe- | Registered: Sep 2010
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Jaejae5.0
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Member # 7958
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posted
depends on what car?..yours?
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1987 notchback h/c/i 302 & 70mm turbo SOLD
2000 camaro ss cam only
Posts: 4890 | From: the combustion chamber | Registered: Oct 2007
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triple b
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Member # 8763
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posted
1988 a9p HCI car DD 24# yadayada all bolt ons 306
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1988 4cyl conv 306 HCI "sasha"
2004 tahoe
Sold- 87 GT, 72 chevelle, 63 biscane, 82 monte carlo, 73 nova, 88 silverado,
Posts: 1730 | From: sacramento ca | Registered: Nov 2008
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Jaejae5.0
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Member # 7958
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posted
quote:
Originally posted by triple b:
1988 a9p HCI car DD 24# yadayada all bolt ons 306
i think youll be fine without one..not really a tune needed there
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1987 notchback h/c/i 302 & 70mm turbo SOLD
2000 camaro ss cam only
Posts: 4890 | From: the combustion chamber | Registered: Oct 2007
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Stangn5oh
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Member # 10875
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posted
quote:
Originally posted by 707notchback jaejae:
quote:
Originally posted by triple b:
1988 a9p HCI car DD 24# yadayada all bolt ons 306
i think youll be fine without one..not really a tune needed there
I would think your due for a tune, more gas, air, and espicially cause you have a cam and heads, yea you feel a bit faster now but with a tune you use its fullest potential... just my 2 cents.
[ August 04, 2011, 02:52 AM: Message edited by: Stangn5oh ]
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88 lx
17 Renegade turbo
18 Compass 4x4
Hit the gasser, go faster, all u heard was dual exhaust n flowmasters.
Posts: 1643 | From: Sacramento | Registered: Apr 2011
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2BlueGeeTees
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Member # 4702
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posted
Honestly I think once said and done you will find that a dyno tune isn't worth your money at that level of modification. What you need is an adjustable fuel pressure regulator and a good timing light. Even the money you will spend on a mail order tune would be close to pointless. You can take that money and put it elsewhere and pick up more power. I only say this because I went that route and only picked up 6hp and 8ft/tq and the tuner actually gave me half of my money back because I already hadthe car dialed in.
Posts: 2316 | From: Vacaville | Registered: Jul 2004
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triple b
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Member # 8763
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posted
LOL got that guess Im not like everybody else when I say bolt-ons I mean rebuilt 306 keith black hypers, windage tray, canton race pan w/scraper, trickflow stage 2 cam, edelbrock heads performer 2.02's ported and polished, harland sharp 1.6 RR, gasket matched edelbrock RPM 2 intake with 1" spacer, Professional products 70mm TB, BBK cold air, edelbrock HF water pump, pullies, electric fan, 255 walbro FP, 24# injectors, C&L maf, bbk fuel pressure regulator w/guage, Tremec 3550 5 speed, king cobra clutch, lightweight 13 lbs. flywheel, ford aerostar aluminum driveshaft, 3.55 gears, svo rear cover/girdle, eibach springs, 5 lug conversion cobra brakes all around (sn95 master cylinder), flows, bbk x-pipe, bbk shorty un-equal headers....shit did I forget something maybe... Used to be a 4 cylinder took me me 100's of trip to pick n pull to complete..get a donor next time to complete the swap
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1988 4cyl conv 306 HCI "sasha"
2004 tahoe
Sold- 87 GT, 72 chevelle, 63 biscane, 82 monte carlo, 73 nova, 88 silverado,
Posts: 1730 | From: sacramento ca | Registered: Nov 2008
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Jaejae5.0
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Member # 7958
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posted
ive seen plenty of hci cars do just fine with timing/fuel pressure set..yea im sure a tune would bring it out a little more..tunes go for around 500$? with a sct chip..not worth it..your gonna kick yourself for spending that much just to get 5-10 more horses..set your timing and fuel pressure..see what it likes and be done..
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1987 notchback h/c/i 302 & 70mm turbo SOLD
2000 camaro ss cam only
Posts: 4890 | From: the combustion chamber | Registered: Oct 2007
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xchpstang
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Member # 1206
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posted
driveability will be a lot better with a dyno tune. Again, not cheap but it will make a world of difference on driveability.
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04 Cobra, K&N FIPK,
Posts: 239 | From: Turlock | Registered: Apr 2002
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2BlueGeeTees
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Member # 4702
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posted
That's all I used the dyno tune for on my n/a 347. Partial throttle drivability at cruising speed.
Posts: 2316 | From: Vacaville | Registered: Jul 2004
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JohnB
Tech Moderator
Member # 969
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posted
quote:
Originally posted by xchpstang:
driveability will be a lot better with a dyno tune. Again, not cheap but it will make a world of difference on driveability.
If the car is setup correctly, drivability shouldn't be a issue. A bleed plate on the IACV, timing, Fuel pressure, and a TPS adjustment will do wonders for it.
But if you want to spend 100's on a tune, go for it! ![[Big Grin]](biggrin.gif)
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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2BlueGeeTees
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Member # 4702
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posted
John I think the art of dialing a car in with the tools the factory has given you on these old pushrods is completely lost!
Posts: 2316 | From: Vacaville | Registered: Jul 2004
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03SVTPower
CAFords OG
Member # 518
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posted
I burned a hole in a piston from a mail order tune...
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2003 Redfire "AED" Cobra R.I.P
Posts: 3481 | From: Nor-Cal | Registered: Oct 2001
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Jaejae5.0
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Member # 7958
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posted
quote:
Originally posted by 2BlueGeeTees:
John I think the art of dialing a car in with the tools the factory has given you on these old pushrods is completely lost!
![[patriot]](graemlins/patriot.gif)
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1987 notchback h/c/i 302 & 70mm turbo SOLD
2000 camaro ss cam only
Posts: 4890 | From: the combustion chamber | Registered: Oct 2007
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triple b
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Member # 8763
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posted
Thanks guys I thought the tune included a chip I didn't know I had to buy that also. John B you gave me some info I have to look into a bleed plate I never heard of that before
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1988 4cyl conv 306 HCI "sasha"
2004 tahoe
Sold- 87 GT, 72 chevelle, 63 biscane, 82 monte carlo, 73 nova, 88 silverado,
Posts: 1730 | From: sacramento ca | Registered: Nov 2008
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triple b
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Member # 8763
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posted
TPS was set a year ago .98 .99 I can't remember but timing is 13* fuel pressure is 49psi. I guess I need to take off the 20" cobras and slap on the slicks see what it do!
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1988 4cyl conv 306 HCI "sasha"
2004 tahoe
Sold- 87 GT, 72 chevelle, 63 biscane, 82 monte carlo, 73 nova, 88 silverado,
Posts: 1730 | From: sacramento ca | Registered: Nov 2008
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Jaejae5.0
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Member # 7958
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posted
quote:
Originally posted by triple b:
TPS was set a year ago .98 .99 I can't remember but timing is 13* fuel pressure is 49psi. I guess I need to take off the 20" cobras and slap on the slicks see what it do!
try lowering that fuel pressure some ![[Eek!]](eek.gif)
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1987 notchback h/c/i 302 & 70mm turbo SOLD
2000 camaro ss cam only
Posts: 4890 | From: the combustion chamber | Registered: Oct 2007
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2BlueGeeTees
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Member # 4702
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posted
What is the base fuel pressure set at with the vacuum disconnect. Start it at 42 pounds and adjust in half pound increments. You will find you really won't need much more than stock fuel pressure. Make sure you time it with the spout connector out so the computer doesn't try to adjust the timing. 13 degrees should be good just pay attention for ping and double check your TPS. That thig should be running tits if all is done correct!
Posts: 2316 | From: Vacaville | Registered: Jul 2004
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triple b
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Member # 8763
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posted
Its good I had put the stock injectors back in thats why its 49 psi vacume off. It pings at 41 yeah spout always comes out when I adjust the timing I running a a9p too which advances the timing more than a a9l It does run tits but I do have a hanging idle which seems to go away after a 150 miles after I reset the ecu. No problems just really wanted to know if the chip is worth it.
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1988 4cyl conv 306 HCI "sasha"
2004 tahoe
Sold- 87 GT, 72 chevelle, 63 biscane, 82 monte carlo, 73 nova, 88 silverado,
Posts: 1730 | From: sacramento ca | Registered: Nov 2008
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2BlueGeeTees
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Member # 4702
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posted
Honestly a chip like the sct only becomes worth the money when it requires adjustments of parameters outside the capabilities of the ecu. Usually this occurs in boosted applications or extremely wild head cam intake big inch motor combos with outrages amounts off fuel needed and likewise complicated fuel and timing tables. And at that point you would probably be looking into a stand alone engine management system. Bottom line save the money and put it into something else.
Posts: 2316 | From: Vacaville | Registered: Jul 2004
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