Kclskgl 04-14-2008, 08:52 PM I'm new and i just bought a 1999 z-28 with the following mods.I want around 400 rwp i'm buying a ls6 intake by bbk with 85mm throttle body i'm going to put on, but i want a cam the f13 or f14 hl,good idea or no.With the mods on it i think it can take the f14 hl.What hp numbers am i looking at now? What numbers after the bbk intake/85mm throttle body,and cam?
ASP UNDERDRIVE PULLEY
SLP AIR BOX W/ K&N FILTER
STAINLESS STEEL LONG TUBE HEADERS WITH OFF ROAD Y-PIPE
SLP LOUDMOUTH EXHAUST SYSTEM
SLP REAR SS WING
"REAL" BERGER REAR PANEL PAINTED BLACK TO RESEMBLE 1969 Camaro's with Big Block Chevy Motors in them.
EIBACH PRO LOWERING SPRINGS
POWERSTOP SLOTTED ROTORS FRONT AND BACK
RACETRONIXS UPGRADED FUEL PUMP WITH A HOTWIRE HARNESS
PRC DUAL VALVE SPRINGS, TSP HARDENED PUSHRODS, LS2 TIMING CHAIN AND NEW GM OIL PUMP
HURST LINE LOCK KIT
BMR REAR LOWER CONTROL ARMS w/SPOHN RELOCATION BRACKETS WELDED ON
MONSTER MOTORSPORTS SUBFRAME CONNECTORS
GM 3.42 GEARS
TRANSMISSION AND TORQUE CONVERTER REPLACED
Marc 85Z28 04-15-2008, 09:48 AM Get a GM LS6 intake, and use a ported stock throttle body. Stay away, far away from both the BBK intake and throttle body.
The mod list you provide shows a valvetrain setup that's usually only installed with a larger more aggressive aftermarket cam. Are you sure it's stock?
What were the transmission and torque converter replaced with?
ss.slp.ls1 04-15-2008, 11:45 AM Get a GM LS6 intake, and use a ported stock throttle body. Stay away, far away from both the BBK intake and throttle body.
The mod list you provide shows a valvetrain setup that's usually only installed with a larger more aggressive aftermarket cam. Are you sure it's stock?
What were the transmission and torque converter replaced with?
^^^+1. And get some 3.73 gears.
Kclskgl 04-15-2008, 11:14 PM Get a GM LS6 intake, and use a ported stock throttle body. Stay away, far away from both the BBK intake and throttle body.
The mod list you provide shows a valvetrain setup that's usually only installed with a larger more aggressive aftermarket cam. Are you sure it's stock?
What were the transmission and torque converter replaced with?
I'm getting it on Friday, i haven't asked what converter it has or if it has a cam,but i'll find out and post.
Marc 85Z28 04-16-2008, 09:17 AM I'm getting it on Friday, i haven't asked what converter it has or if it has a cam,but i'll find out and post.
Yeah, get as much information as possible, even if you don't understand what it is or means. We can help sort out the details. You're better off knowing EXACTLY what you bought ;)
johnny6 04-16-2008, 10:14 AM ^^^+1. And get some 3.73 gears.
3.43's are great for an A4, more recommended than 3.73's.
I'm getting it on Friday, i haven't asked what converter it has or if it has a cam,but i'll find out and post.
You can't tell from the sound if you have an aftermarket cam or not?
ss.slp.ls1 04-16-2008, 10:32 AM 3.43's are great for an A4, more recommended than 3.73's.
You sure? From everything I've ever seen/read, the rule of thumb was:
A4-3.73
M6-4.10.
johnny6 04-16-2008, 12:25 PM The difference will be very minimal unless you go at least a 1/2 gear ratio change (2.73-3.73 or 3.73-4.10) , it's not a huge benefit to go from 3.43 to 3.73 the, he probably won't even be able to tell the difference. 3.43 is a better all around gear for an A4, better mpg and you won't sacrifice too much top end.
AL SS590 M6 04-17-2008, 09:23 AM The difference will be very minimal unless you go at least a 1/2 gear ratio change (2.73-3.73 or 3.73-4.10) , it's not a huge benefit to go from 3.43 to 3.73 the, he probably won't even be able to tell the difference. 3.43 is a better all around gear for an A4, better mpg and you won't sacrifice too much top end.
Yeah 3.42s are a good gear for an auto, I ran mine that way for a few years. But that was a swapped in M6 rear because my posi was hurt. If I were to go out and buy gears for an auto for street/strip I would get 3.73s.
For a street only car 3.42s and a 3600-3800 stall.
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