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Author
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Topic: motor rev to 5000 then tachout????
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92 ssp
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Member # 8013
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posted
 
 
i have a 1970 351 windsor stroke to 408 mild comp cam, ported stock heads harden push rodes ford 1.6 roller rockers, weiand intake with holly 750 double pupmer. when i rev to 5000-5500rpm my car act like i have a rev limiter on it what the hella is that ???? please help ![[Mad]](mad.gif)
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President of Highways Car Club est 2004
1993 coupe "The Beast"
2004 Mercedes s500 amg
If u don't know about me u must be a nobody lol...
Posts: 504 | From: ???? | Registered: Nov 2007
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turbo50
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Member # 6700
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posted
check plug gap
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.........when was the last time YOU built something with YOUR own hands?
I offer quality sidework at reasonable prices. PM ME
Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006
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92 ssp
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Member # 8013
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posted
i have new autolight platinum there good
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President of Highways Car Club est 2004
1993 coupe "The Beast"
2004 Mercedes s500 amg
If u don't know about me u must be a nobody lol...
Posts: 504 | From: ???? | Registered: Nov 2007
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turbo50
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Member # 6700
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posted
ahhh platinum plugs and carbed cars......they never run like they should.....
if you are convinced its not the plugs check ur msd box if you have one or dist....
Did the problem start after you put the new plugs in?
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.........when was the last time YOU built something with YOUR own hands?
I offer quality sidework at reasonable prices. PM ME
Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006
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92 ssp
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Member # 8013
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posted
its started when i first started it up
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President of Highways Car Club est 2004
1993 coupe "The Beast"
2004 Mercedes s500 amg
If u don't know about me u must be a nobody lol...
Posts: 504 | From: ???? | Registered: Nov 2007
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turbo50
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Member # 6700
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posted
well you got my vote for plugs...lets see what the others come up with...not much detail about your ignition system...might wanna go into detail about that also...good luck..
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.........when was the last time YOU built something with YOUR own hands?
I offer quality sidework at reasonable prices. PM ME
Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006
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DIRTY SALLY
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Member # 7845
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posted
u will never beat me in that car!
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Savage Habits
instagram @2cheezen
Posts: 9145 | Registered: Aug 2007
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JohnB
Tech Moderator
Member # 969
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posted
quote:
Originally posted by turbo50:
well you got my vote for plugs...lets see what the others come up with
Same here...but I'll go one further...wrong plugs AND wrong gap.
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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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92 ssp
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Member # 8013
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posted
im going check the gap again
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President of Highways Car Club est 2004
1993 coupe "The Beast"
2004 Mercedes s500 amg
If u don't know about me u must be a nobody lol...
Posts: 504 | From: ???? | Registered: Nov 2007
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Blind
2.3L
CAFords OG
Member # 3052
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posted
I'd suggest buying copper plugs and checking the gap on those before you swap them in.
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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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92 ssp
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Member # 8013
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posted
ok
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President of Highways Car Club est 2004
1993 coupe "The Beast"
2004 Mercedes s500 amg
If u don't know about me u must be a nobody lol...
Posts: 504 | From: ???? | Registered: Nov 2007
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94 fobra
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Member # 8867
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posted
quote:
Originally posted by 92 ssp:
im going check the gap again
im not sure on numbers but your supposed to go with a smaller gap when you have a upgraded ignition system
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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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92 ssp
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Member # 8013
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posted
man i got up early an when to my boy dyno shop to show him what the car do an he said " valve float" ??? so that mean ..... ![[BS flag]](graemlins/bs_flag.gif)
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President of Highways Car Club est 2004
1993 coupe "The Beast"
2004 Mercedes s500 amg
If u don't know about me u must be a nobody lol...
Posts: 504 | From: ???? | Registered: Nov 2007
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Jaejae5.0
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Member # 7958
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posted
quote:
Originally posted by 92 ssp:
man i got up early an when to my boy dyno shop to show him what the car do an he said " valve float" ??? so that mean .....
upgrade you valve springs..i usually get valve float around 6k
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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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92 ssp
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Member # 8013
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posted
im goin to vic hubbert an get some
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President of Highways Car Club est 2004
1993 coupe "The Beast"
2004 Mercedes s500 amg
If u don't know about me u must be a nobody lol...
Posts: 504 | From: ???? | Registered: Nov 2007
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JohnB
Tech Moderator
Member # 969
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posted
quote:
Originally posted by jaejae:
quote:
Originally posted by 92 ssp:
man i got up early an when to my boy dyno shop to show him what the car do an he said " valve float" ??? so that mean .....
upgrade you valve springs..i usually get valve float around 6k
If this is the case, make sure you have the proper tools to install them. And not just a spring compressor...
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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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