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Author
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Topic: who can tune my 90 5.0 mustang
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trickflow211
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Member # 8503
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posted
 
 
I juss added gt40 heads and a cobra upper and lower...the car has never been tuned I currently have cobra upper lowerr. E303 cam 70mm tb cai headers. And from a dead stop I can't even roast the tires... this car feels like it has no power. Does anyone have a handheld tuner or anything I can do to make this thing run right?.
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1990 Cobra Clone 421 Tq 420 Hp
Need General Contractor Services? 925-338-5422 serving East Bay Area over 20yrs
Posts: 2449 | From: Pittsburg/Sacramento | Registered: Jul 2008
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blown95svt
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Member # 8893
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posted
You can't tune the 5.0 with the handheld tuners, you need a custom chip, but with those mode I don't think it would be worth the 4-500$ for it, sounds like you have other problems, check your timing and fuel pressure.
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95 cobra blown 331 gr40 suspension
***NEED QUALITY WORK FOR HALF THE PRICE? I DO SIDE JOBS! PM FOR DETAILS***
www.norcalmotorcompany.com
Posts: 1434 | From: roseville | Registered: Jan 2009
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Ty
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Member # 4920
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wow i dont have the cam or the heads and i can blow the tires off my car from a dead stop and i have an AOD, sounds like you def have issues elsewhere
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DRIVE FAST TAKE CHANCES
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90 gt nothin special, just your average bolt ons...OUT TO PASTURE
69 fastback project car
Posts: 1400 | From: vallejo | Registered: Oct 2004
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LX347hatch
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Member # 8668
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Definetly check ur timing...I bet thas where the problem is at..
Posts: 1416 | From: El Sobrante | Registered: Sep 2008
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Blue92
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Member # 8789
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I have a similar problem. What is everyone running there timing at? 12-14?
[ May 12, 2009, 06:30 PM: Message edited by: 92sleeper ]
Posts: 2906 | Registered: Dec 2008
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Jaejae5.0
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Member # 7958
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im at 14 or 13..but yea check your fuel pressure timing.firing order etc
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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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MikeD.
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Member # 8060
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Im at 14 degrees too. If you have cats on the car make sure they arent clogged.
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1999 FRC Vette
12.77 @ 110
Posts: 2854 | From: Vacaville Ca, 707 | Registered: Nov 2007
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BAY50FIVET3N
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Member # 9169
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yeah nextgen in hayward does good work
Posts: 14 | From: Bay Area | Registered: May 2009
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trickflow211
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Member # 8503
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How do I check my fuel pressure? Ya I have the aod trannny to... but its not the firing order I don't think but ill checck. Wat else could it be? My timing was at 15 but I bumped it down to 10 todayyy
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1990 Cobra Clone 421 Tq 420 Hp
Need General Contractor Services? 925-338-5422 serving East Bay Area over 20yrs
Posts: 2449 | From: Pittsburg/Sacramento | Registered: Jul 2008
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Eddie510-
CAFords OG
Member # 2354
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posted
quote:
Originally posted by trickflow211:
How do I check my fuel pressure? Ya I have the aod trannny to... but its not the firing order I don't think but ill checck. Wat else could it be? My timing was at 15 but I bumped it down to 10 todayyy
with a fuel pressure gauge
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"I like to be more politicaly correct than what I really believe so I can get more frinds here on CaFords"-Cummings "TIPICKLE"
Posts: 6557 | Registered: Jan 2003
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93PONY
Mr. Valve Events
Member # 60
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posted
Timing is relative. That is, due to the setup of the 5.0 front cover, balancer & timing pointer, every motor is a little different. That is, they all read a little different with a timing light.
I've degreed several balancers relative to the #1 piston at TDC. Most balancers are off by 1-4 degrees. Advance or Retard.....it depends.
The car currently at the shop has an aftermarket timing pointer....it was 7 degrees off.
It's not hard to degree your balancer, it just takes a screw-in TDC stop (screwed into the spark plug hole), a wrench to turn over the motor & some patience.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4266 | From: Fair Oaks, CA | Registered: Nov 2000
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trickflow211
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Member # 8503
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posted
i also have maf and 1.6 roller rockers
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1990 Cobra Clone 421 Tq 420 Hp
Need General Contractor Services? 925-338-5422 serving East Bay Area over 20yrs
Posts: 2449 | From: Pittsburg/Sacramento | Registered: Jul 2008
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SLPR93
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Member # 8769
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quote:
Originally posted by 93PONY:
Timing is relative. That is, due to the setup of the 5.0 front cover, balancer & timing pointer, every motor is a little different. That is, they all read a little different with a timing light.
I've degreed several balancers relative to the #1 piston at TDC. Most balancers are off by 1-4 degrees. Advance or Retard.....it depends.
The car currently at the shop has an aftermarket timing pointer....it was 7 degrees off.
It's not hard to degree your balancer, it just takes a screw-in TDC stop (screwed into the spark plug hole), a wrench to turn over the motor & some patience.
![[worship]](graemlins/worship.gif) THATS SOME GOOD INFO
Posts: 1269 | From: modesto | Registered: Nov 2008
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SHOalex
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Member # 7720
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posted
quote:
Originally posted by 93PONY:
Timing is relative. That is, due to the setup of the 5.0 front cover, balancer & timing pointer, every motor is a little different. That is, they all read a little different with a timing light.
I've degreed several balancers relative to the #1 piston at TDC. Most balancers are off by 1-4 degrees. Advance or Retard.....it depends.
The car currently at the shop has an aftermarket timing pointer....it was 7 degrees off.
It's not hard to degree your balancer, it just takes a screw-in TDC stop (screwed into the spark plug hole), a wrench to turn over the motor & some patience.
+2 Im doing that as soon as i fire up my bucket ass stang thank you!
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BAM! POW! Right in the kisser.
Posts: 1448 | From: Oakland | Registered: Jun 2007
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94 fobra
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Member # 8867
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its not going to have too much power from the go for one i would try to trade someone for a 65 mm tb for two you have an auto your converter locks up at dont quote me but i think 8 or 9 hundred and that cam doesnt cut on untill 2500 or 3000 i cant remember. even if you tune it it not going to do what you want you need gears and a stall then tune it ![[Wink]](wink.gif)
[ May 13, 2009, 02:41 AM: Message edited by: Big block 66 f100 ]
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Im done with this ford vs chevy fight with "cafords" members. Aka big block 66 f100 but she's no longer:(
Posts: 2996 | From: Stockton | Registered: Jan 2009
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CobramanPhil
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Member # 2170
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What gears and tires are you running? That could explain a couple of things. With an e cam and upper/lower intakes you should not be losing that much low end as compared to the stock setup.
Whats the compression like?
Posts: 1016 | From: California, Bay Area | Registered: Dec 2002
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94 fobra
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Member # 8867
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posted
quote:
Originally posted by CobramanPhil:
What gears and tires are you running? That could explain a couple of things. With an e cam and upper/lower intakes you should not be losing that much low end as compared to the stock setup.
Whats the compression like?
huh?? how do yuo figure
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Im done with this ford vs chevy fight with "cafords" members. Aka big block 66 f100 but she's no longer:(
Posts: 2996 | From: Stockton | Registered: Jan 2009
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trickflow211
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Member # 8503
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posted
17 inch cobras and i juss got some like nittos but they have like 50% tread. and i am pretty sure i have 373 gears...and wat would switching my 70 mm tb to 65 do?.
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1990 Cobra Clone 421 Tq 420 Hp
Need General Contractor Services? 925-338-5422 serving East Bay Area over 20yrs
Posts: 2449 | From: Pittsburg/Sacramento | Registered: Jul 2008
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84SVOrick
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Member # 9039
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posted
switching your tb from 70mm to 65mm gives you more back pressure aka torque
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Bay Area Stunnaz
RIP Jeannera "FOXY302"
10/29/87-10/9/10
1984 SVO 302 HCI a basic bitch
1986 GT FOXY302 stolen and totaled R.I.P.
Posts: 1928 | From: Vallejo CA | Registered: Mar 2009
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East Bay 50
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Member # 8081
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posted
quote:
Originally posted by trickflow211:
17 inch cobras and i juss got some like nittos but they have like 50% tread. and i am pretty sure i have 373 gears...and wat would switching my 70 mm tb to 65 do?.
for that setup, switching from a 65mm to 70mm TB is not going to really do anything for you..
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Kurgan tuned stroked and blown 347 foxbody. boost nukka!
Posts: 2699 | Registered: Dec 2007
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92stangLX
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Member # 3252
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posted
Probably already been said in some of the resonses above but.. before you try and have your car chipped you should start with a basic tune and check the following:
* fuel pressure
* TPS
* Timing
* Idle (using idle screw)
I am assuming that when u threw all those parts on you replaced the plugs, fuel filter, air filter, dist cap/rotor and wires. If you didn't then do all that next.
It will take a little while for your computer to adjust to the new parts so drive it around for a bit.
After all that if it still runs like crap then post back up ![[patriot]](graemlins/patriot.gif)
Posts: 5302 | From: San Francisco | Registered: Sep 2003
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94 fobra
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Member # 8867
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posted
quote:
Originally posted by trickflow211:
17 inch cobras and i juss got some like nittos but they have like 50% tread. and i am pretty sure i have 373 gears...and wat would switching my 70 mm tb to 65 do?.
nitto drag radial
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Im done with this ford vs chevy fight with "cafords" members. Aka big block 66 f100 but she's no longer:(
Posts: 2996 | From: Stockton | Registered: Jan 2009
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trickflow211
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Member # 8503
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posted
okkay when i puuut my foot to the floor it accelerates hella slow it seems like somthing 2 do with the throttlebody or somthings out of adjustment.
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1990 Cobra Clone 421 Tq 420 Hp
Need General Contractor Services? 925-338-5422 serving East Bay Area over 20yrs
Posts: 2449 | From: Pittsburg/Sacramento | Registered: Jul 2008
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trickflow211
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Member # 8503
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posted
it takes a while to climb rpms. its like its not getting full throttle....u kinda have 2 drive it 2 understand it...
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1990 Cobra Clone 421 Tq 420 Hp
Need General Contractor Services? 925-338-5422 serving East Bay Area over 20yrs
Posts: 2449 | From: Pittsburg/Sacramento | Registered: Jul 2008
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sic70stang
CAFords OG
Member # 4347
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posted
quote:
Originally posted by 84SVOrick:
switching your tb from 70mm to 65mm gives you more back pressure aka torque
wrong.... it gives you more velocity over volume.
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The anti-crew
1987 rolling safety violation.
Posts: 6943 | From: California | Registered: Jul 2005
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