Comp Stage 3 N/A cams installed

twistedneck

twistedneck

Active Member
Established Member
Joined
Dec 13, 2011
Messages
1,143
Location
Dearborn, MI
Highway Star said:
Good luck to you. I think a safe tune 550 whp NA is definitely possible. I think I could do it with a little more rpm. I'm thinking 8100 rpm would get me there. I think you can bust right through 500 with rpm.
Click to expand...

Good point, rpm..if u have the torque up top! That's why I'm so happy w the CJ intake, Tb combo. I also swapped mufflers at same time (stock gt to ford racing touring) but I am up 26hp and 27 TQ so far. At 7300. I'll update after my Thursday cam tune day w the man...

From what I've been reading its not a big deal to hit 7800 rpm once in a while w stock rods and pistons especially if you don't get oil starvation by keeping a full oil level, and use e85 to protect against detonation hammering.. Those are the stock rod killers on n.a.

Now for you lawman, those rods can handle 8000 all day long, not to mention the pistons. I think your livernois heads also want 8000+. Its time for a new dyno run!
 
N

nosscort

Member
Established Member
Joined
Dec 13, 2013
Messages
992
Location
PA
problem with 8000 rpms is some ecu have a hard limiter in them and cannot be passed.. Mine was 7990. I have the pulse ring and oil pump gears along with valve springs with a built bottom so I was prepared, the ecu just wont let it go higher
 
Highway Star

Highway Star

New Member
Established Member
Joined
May 26, 2012
Messages
129
Location
Burbank CA
nosscort said:
problem with 8000 rpms is some ecu have a hard limiter in them and cannot be passed.. Mine was 7990. I have the pulse ring and oil pump gears along with valve springs with a built bottom so I was prepared, the ecu just wont let it go higher
Click to expand...

Yeah I topped out at 7750, 7990 is still quite an accomplishment though. That's the highest I have heard of on a GT. I bet you were making some HP.
 
B

Badlilstang

Member
Established Member
Joined
Jan 6, 2014
Messages
965
Location
Houston, Texas
69camaro... said:
according to this graph, the line levels out around 7k. Why run it another 700-1000rpms? Even at 6500 the line leveled out, so why not just shift at 7k and still be pretty close to your power band depending on how fast you shift
Click to expand...

I guess to keep it in peak power? Shifting early means more rpm drop to the next gear.. if it makes peak power and holds it might as well ride it!
 
I

IDWALKU

RecordBreakinBrad
Established Member
Joined
Nov 28, 2012
Messages
176
Location
Baltimore md
b4ba153f-fe87-4374-b01e-042e7bc95e55.jpg


Comp Stage 3
Cobra jet Manifold
Supercobra jet tb
Rev Auto BFI
STOCK HEADS
STOCK BOTTOM END
NO PULSE RING
NO LIMITERS
STOCK OIL PUMP GEARS
1-3/4 headers
Face Plated TKO-600
4.88s < Reason why I posted std numbers

This car was shifted religiously at 8200 so idk whats wrong with getting past 7750 ?


This Car now Makes 747rwhp and still has stock oil pump gears and still shifted at 8200 still stock bottom end.
 
Last edited:
N

nordy racer

Active Member
Established Member
Joined
Jan 24, 2006
Messages
1,190
Location
MD
twistedneck said:
Cool, so did I buy the pulse ring for no reason if I have the manual trans? was always curious how that worked for high rpm.
Click to expand...

on stick cars you are fine.. on the Auto cars you need that wheel if you want to go pass that soft limiter.
 
DSG2003SVT

DSG2003SVT

Gray only, please
Established Member
Joined
Apr 28, 2005
Messages
2,904
Location
DFW, TX
So, do the manual cars come with the "upgraded" ring already, or is that just an issue that doesn't effect the manual cars? It's weird to me that they would be internally different.
 

Users who are viewing this thread

Total: 4 (members: 0, guests: 4)


Top