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Author
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Topic: 7,000rpms on a 01 gt mustang
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RobertTS
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Member # 1022
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posted
 
 
With a bulletproof bottom end 4.6 and stronger heads with better retainers and valves and valve springs, ![[dance]](graemlins/dance.gif) ,is it safe to put a rev limiter at 7000 with a good tune,,also have anyone seen the hp numbers with a stock intake and 6000+ rpms ![[Wink]](wink.gif) ?
Posts: 78 | From: California | Registered: Mar 2002
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season'd 88
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Member # 169
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Im no expert but i did rev 302s to way over 7000rpm 20yrs ago and they lived and ran well. I dont see any reason why these modern engines wont do the same.
Posts: 1383 | Registered: Feb 2001
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NvrGoFullRetard
CAFords OG
Member # 1633
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posted
i can tell u when i get my tune on dyno #'s with a built motor and a stock intake,maybe in a month or so.
and with reving the motor to 7000 its possible if u put good valvetrain in there.my engine builder said i can rev mine to 8000,but it wont have power way up there!
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"formally 4.6 eatin gm's"
white 97gt n/a 320rwhp/325rwtq
01 sierra rcsb lsx 408 (murdered out)
03 ecsb sierra 6.0 on 22's
2011 Tahoe
Posts: 2759 | From: PITTSBURG/FAIRFIELD | Registered: Aug 2002
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RobertTS
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Member # 1022
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posted
Soon I´ll buy the new Reichards intake and put my rev limiter to 7000 and see the results,,with a good tune I hope I dont break anything,,
Posts: 78 | From: California | Registered: Mar 2002
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-NORCALCOBRA-
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Member # 2383
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posted
you can rev that high but it doesnt mean you are gonna make that much power lol i have shm double valve springs going into my built motor and i have some crazy cams so i can rev high and make power till about 8,000 on my 4v motor
the shm valve springs are good to 10,000 but i will not make power that high i will have the limiter set for 7,800 to be safe
dave
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H.C.I 285 ci. ported 2003 heads heads, Sullivan Intake, stage 3 cams..T-76 single turbo to come...
R.M.I cylinder head fabrication
408 986 8626
Posts: 516 | From: SAN JOSE | Registered: Jan 2003
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DropTopFox
drama
Member # 1689
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posted
quote:
Originally posted by -NORCALCOBRA-:
you can rev that high but it doesnt mean you are gonna make that much power lol i have shm double valve springs going into my built motor and i have some crazy cams so i can rev high and make power till about 8,000 on my 4v motor
the shm valve springs are good to 10,000 but i will not make power that high i will have the limiter set for 7,800 to be safe
dave
If you are making power at 8 why not shift it at 8 and set the rev limiter to like 8250 ![[Confused]](confused.gif)
Reving the motor to 7000 can be fun but it's pointless unless you're making the power up there ![[patriot]](graemlins/patriot.gif)
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Go out and do something for yourself today everyone, quit depending on others
-Me
http://www.CaliforniaFords.com/cgi-bin/album.pl?album=00001689
Posts: 4003 | From: San Bruno | Registered: Aug 2002
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-NORCALCOBRA-
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Member # 2383
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posted
i wont make peak power there but since i have a 5 speed it drops out of the powerband alot so if i make peak hp at 5800 in 3rd when i shift out of 2nd at 7800 it would drop right back into my beak power band at 5800
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H.C.I 285 ci. ported 2003 heads heads, Sullivan Intake, stage 3 cams..T-76 single turbo to come...
R.M.I cylinder head fabrication
408 986 8626
Posts: 516 | From: SAN JOSE | Registered: Jan 2003
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QWICK46
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Member # 1843
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posted
I sometimes ring mine out to 6000. The 4V motor redlines at 6800. Is it really built any more solidly than a 2V?
According to dyno sheets I've seen from other cars, a stock 2V's (stock intake, heads & cams) power will peak at about 5000-5200. Unless you modify your car's induction there's not much point to revving up to 7000.
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Michael
'02 GT ~ sold for a Big, Slow Dodge Ram
'03 SV650S
'04 R1100S ~ The daily driver
Posts: 243 | Registered: Sep 2002
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blackmagic02GT
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Member # 1786
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posted
when you shift don't you want the rpms to drop down to a little below peak torque and then pull until your slightly past peak hp?
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2002 GT Stone stock 14.02 @ 99mph
steeda u/d pullies, k/n filter, 4.10's 13.70 @ 102mph
in garage: steeda t/a, NX wet kit and cobra R rims
Posts: 69 | From: Roseville | Registered: Sep 2002
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