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Author
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Topic: car does not feel fast?
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1FAST89GT
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Member # 5071
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posted
 
 
just put f-cam, gt-40p heads, edelbrock performer intake, fms headers. i stayed with stock throttle body and put a spacer on it, stock rockers, stock injectors and i have 4:10 gears. it does not feel as fast as i thought it would? timing is at 13 degrees, what should i be at should i feel a difference?
Posts: 4915 | From: VALLEJO | Registered: May 2004
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JohnB
Tech Moderator
Member # 969
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posted
Did you check the spring rates on the heads? Most P heads will barely take .500 lift. They are WEAK.
Edit: also, how did you set the pre-load on the lifters? Are you using stock pushrods?
[ March 24, 2005, 08:10 PM: Message edited by: JohnB ]
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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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1FAST89GT
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Member # 5071
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posted
did not check the spring rate but i did a post on tech talk and a lot of guys said the f-cam gt-40p heads would work, these heads are brand new. what should i do?
[ March 24, 2005, 08:11 PM: Message edited by: 1FAST89GT ]
Posts: 4915 | From: VALLEJO | Registered: May 2004
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JohnB
Tech Moderator
Member # 969
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posted
And you've checked all the lil stuff...timing, fuel pressure, TPS voltage, etc?
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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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SPEC -Fabrication
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Member # 4980
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posted
timing is set at 13*s He has a stock pump,reg,inj. Never had any probs with tps voltage or ideling issues before swap, I can check the TPS for the hell of it, John do you know off hand what the volt reading is @ idle=closed ![[Big Grin]](biggrin.gif) Thnx PS you think he might have to upgrade to the udj press reg, 24lbr's,155-190lph pump, He has the C&L adj mass air meter not installed too?
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1999 Saleen#124
1997 Tahoe
2006 ZX636R
CWS certified welder
Posts: 1321 | From: drinkin BEER! | Registered: Oct 2004
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Quick 88LX
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Member # 1950
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posted
He doesn't need the 24's but if he is going to do the fuel system, he may as well upgrade the injectors and everything along with them. That way, when he chooses to swap for better heads soon ![[Wink]](wink.gif) he'll be ready. Put in a 190 pump minimum.
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"Men are Made, Not Born"
Car Picture : http://www.angelfire.com/theforce/quick88lx/
Original Member #495. Can I get my number back?
Posts: 1785 | From: Fairfield, CA/Okinawa, Japan | Registered: Oct 2002
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Quick 88LX
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Member # 1950
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posted
One more thing, the F-cam is not going to give you much down low as you would expect. The cam doesn't even come alive until 2000rpms at the very least.
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"Men are Made, Not Born"
Car Picture : http://www.angelfire.com/theforce/quick88lx/
Original Member #495. Can I get my number back?
Posts: 1785 | From: Fairfield, CA/Okinawa, Japan | Registered: Oct 2002
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166 Merlo
FELONY
MOTORSPORTS
Member # 1549
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posted
a stock fuel pump barley flows enough for stock, maybe it's that.
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'89 - Boss Coupe
'70 - Drop Cutthang
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'87 - 0166, Its real
Posts: 3953 | From: Thebay | Registered: Jul 2002
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JohnB
Tech Moderator
Member # 969
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posted
If he hasn't upgraded the fuel pump, do that. 24lb injectors are not necessary, unless you plan to go alot bigger later. TPS should be somewhere around .96-1.0 on the voltage closed.
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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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BlowN67
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Member # 4229
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posted
i have a bbk fpr, an brand new 190 pump let me travis
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AIM gonein67 JOHN
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* theturboforums.com
Posts: 9809 | From: Home of LARD | Registered: Mar 2004
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