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Author
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Topic: gt-40's
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Daniel50
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Member # 5629
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posted
 
 
what you guys trapping with a simple gt-40 combo. lets say this is your set up
-GT-40 heads
-Cobra intake manifold
-e cam
-long tubes, catless x, catback
-cai, underdrive pulleys 70mm throttle body and 75mm mass air.
whats a basic trap speed for that setup? also is there a better intake and off ther shelf cam for that combo?
edit: forgot this will be in a 94gt 5 speed
[ May 10, 2006, 03:49 PM: Message edited by: Daniel50 ]
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89 2.3- Sold
91 5.0- 12.7@110 sold
94 5.0- 13.0@105 sold
97 Cobra: Sold
95 5.0- sold
95 5.0-bone stock
Posts: 1017 | From: Discovery Bay, CA | Registered: Apr 2005
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98slowhoe 'FIFTYLX'
Uncle Frank
Member # 895
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posted
there are plenty better cams then the E-cam, somebody else can tell you that. You might want to look into a performer or Performer RPM intake. But I don't think you are gona trap much more then 104/105 or something in that area or probably less???
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AKA Franky Freaking 5 liter
Advanced Engine Development
SCT dealer
Dynotuning
Engine building
916*275*8212
88 4runner on 42's
Posts: 4206 | From: Folsom | Registered: Feb 2002
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Daniel50
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Member # 5629
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posted
yeah i figued 105 at best was going to be my trap with that setup. guess i should go with some trickflow heads. i want to trap around 109-110. i know thats on the high side. if anyone is selling some good aluminum heads let me know
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89 2.3- Sold
91 5.0- 12.7@110 sold
94 5.0- 13.0@105 sold
97 Cobra: Sold
95 5.0- sold
95 5.0-bone stock
Posts: 1017 | From: Discovery Bay, CA | Registered: Apr 2005
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98slowhoe 'FIFTYLX'
Uncle Frank
Member # 895
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posted
I only went to the track one time witn my 306 pre-blower set-up.
Stock compresion
TW heads
Anderson B-31 Cam
RPM intake
70mm TB
LT's O/R H-pipe
3:73 gears
I think I trapped around 108ish with not much pratice on worn out Nittos
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AKA Franky Freaking 5 liter
Advanced Engine Development
SCT dealer
Dynotuning
Engine building
916*275*8212
88 4runner on 42's
Posts: 4206 | From: Folsom | Registered: Feb 2002
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StreakMatt
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Member # 6257
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posted
My brother has GT-40 y303 aluminum heads with an E cam and Holley Systemax intake, Shorty headers and 4.10's on his stock 302 and he has trapped 111.8. I ported the heads though, thats why his combo runs so good.
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Custom Blue '88 GT: Garage Built= MM&FF January 2012 Cover and Feature. Tuned by Bob Kurgan
Black '03 Cobra: 2.9 Whipple Tuned by Bob Kurgan
Posts: 1198 | From: Sacramento | Registered: Nov 2005
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90GT
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Member # 3
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posted
Stock 107k mile shortblock, unported 64cc X's, b cam, 1.7's, rpm intake, shorties, catted x pipe, stock fan, 111.78 mph.
Posts: 357 | Registered: Aug 2000
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johnson50
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Member # 4608
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posted
i've got a 306, gt40Y heads, TF stg.1 cam, 3:73's and all bolt on's. on stock 225 tires, i ran a 13.81 @ 102. ![[Wink]](wink.gif)
Posts: 256 | From: fairfield/suisun | Registered: Jun 2004
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Daniel50
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Member # 5629
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posted
quote:
Originally posted by johnson50:
i've got a 306, gt40Y heads, TF stg.1 cam, 3:73's and all bolt on's. on stock 225 tires, i ran a 13.81 @ 102.
damn i trapped 102 on my 92 lx with 130k miles on the motor. 3.73 gears, pulleys, shortys, x pipe, catback, throttle body, mass air, and and cobra manifold
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89 2.3- Sold
91 5.0- 12.7@110 sold
94 5.0- 13.0@105 sold
97 Cobra: Sold
95 5.0- sold
95 5.0-bone stock
Posts: 1017 | From: Discovery Bay, CA | Registered: Apr 2005
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Luke87GT
Lay'n more stripes
than Caltrans
Member # 21
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posted
Daniel, that combo should do 105-106, as you mentioned...
Substitute the heads for AFR or TFS and port the Cobra lower, lose the e303 and get a custom or a better suited OTS cam and 110-112+ is possible.
[ May 17, 2006, 01:57 PM: Message edited by: Luke87GT ]
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Stangless
Posts: 7802 | From: San Mateo | Registered: Jul 2000
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Blind
2.3L
CAFords OG
Member # 3052
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posted
my brother trapped 109 with them, n/a.
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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Luke87GT
Lay'n more stripes
than Caltrans
Member # 21
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posted
quote:
Originally posted by blind:
my brother trapped 109 with them, n/a.
Your brother also trapped 105 with the same stock longblock that Daniel had in his 92 and went 102.
Lightweight cars can be deceiving ;-)
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Stangless
Posts: 7802 | From: San Mateo | Registered: Jul 2000
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Blind
2.3L
CAFords OG
Member # 3052
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posted
ehh, team solo's car is light, me and my brother's arent light
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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Luke87GT
Lay'n more stripes
than Caltrans
Member # 21
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posted
quote:
Originally posted by blind:
ehh, team solo's car is light, me and my brother's arent light
lol, speaking of, whats the lastest with him and that lil black coupe?
He lose interest in playing this game?
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Stangless
Posts: 7802 | From: San Mateo | Registered: Jul 2000
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Blind
2.3L
CAFords OG
Member # 3052
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posted
yep, it's been down over a year I think now, broke a bolt in the timing cover, broke an ez-out in that bolt, can't get it out.
he then bought and rebuilt another shortblock (rings and bearings) and it's just sitting in the garage, ready to bolt the oil pan on and heads/top end.
I dont live close enough to go over there and drop it in for him either ![[Mad]](mad.gif)
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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Luke87GT
Lay'n more stripes
than Caltrans
Member # 21
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posted
What you doing in Camarillo?
I've been looking to get back down to so cal soon. Hard to leave a full time job however. I am working in San Leandro now.
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Stangless
Posts: 7802 | From: San Mateo | Registered: Jul 2000
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Blind
2.3L
CAFords OG
Member # 3052
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posted
I'm getting a degree from CSUCI, channel islands ![[dance]](graemlins/dance.gif)
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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Luke87GT
Lay'n more stripes
than Caltrans
Member # 21
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posted
quote:
Originally posted by blind:
I'm getting a degree from CSUCI, channel islands
Thats cool man... I graduated from UCLA in 04, and been working up in the east bay for the past 2 years... Driving me crazy.
I want to head back down to LA, OC, SD.
Live by the beach for a couple years
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Stangless
Posts: 7802 | From: San Mateo | Registered: Jul 2000
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Blind
2.3L
CAFords OG
Member # 3052
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posted
yeah it's nice, my campus is within walking distance of PCH and the beach ![[Big Grin]](biggrin.gif)
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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