Lately I've been debating whether to get slp maf or ud pulley next for my 1998 Z28 I currently have the following mods, k&n fipk, Spartan Performance ported tb, pacesetter lt's,ory, hooker aerochamber catback. I plan on getting the LS6 intake sometime in the near future. Upon having the intake and slp maf and pulley I plan on getting the car tuned. What else would ya'll consider for this bolt on car?

 

Please don't get the SLP Maf, get the UD pulley, other than that theres not much else you can bolt on. The basic list of boltons for the LS1 is

Lid or FIPK
Cold air intake like Fast Toys, (but I believe thats for people without the FIPK)
Ported throttle body
Intake manifold
Long tubes
Catback
UD pulley
Finally a Dyno Tune

Should put you at about 400hp at the motor, so basically your looking at LS6 intake manifold, UD pulley, and top it off with a tune. Others might suggest 4.10's in the rear and a short stick.

 

yea dont get the SLP MAF its a waste... prob the UD pulley... but with what you got and a tune you will be good... cam & heads .....

 

is the SLP MAF going to be stock 74mm? If so do not waste your time. Get an ASP UD pulley

 

What he said...

 

FAST 92/92 and rockers plus converter

 

Of the two listed definitely an UD pulley...a 92/92 combo is MUCH more money.

 

dont waste your money on either. if you have an auto put the $$$ toward a stall, if an m6 maybe a shifter if you dont like current. or save for a real power mod.

 

please dont spend the money on the SLP Maf it suck. i bought it long time ago and i still have it lying in my bed room, UD for sure

 

85MM I Like Mine! But I would buy a pulley first.

I bet, Why not sell it then?

 

Its for sale

 

The fast intake isn't a great mod for a cam only car - you really need decent heads to make the fast shine over the LS6 intake. If you don't even have a cam then there is no point in a fast intake.

 

if you have an auto, a stall for sure with some DRs

 

very good point my thoughts exactly.

 

i picked up 34rwhp through a stalled a4 with 410s...

stock 98 heads...

i have never seen an ls6 intake give those kind of gains.....




anywho.. OP, i wouldnt buy either.. put your money somewhere else.. an UP is one of the last mods that should be done..

 

If your looking for a pulley I've got the ATI on sale for great price. pm me for a great deal on one.

 

Might as well post all the info on your gain - before/after dyno graphs, SAE or STD. What cam and other mods you had and what parts were stock. Exactly what you changed on the car when you saw the 34hp gain. If the fast was stock or ported for more $$. How many months you had the fast intake on your car.

 

If you are planning to do a cam in the future, then that would be a good time to install the udp since it has to come off anyway.

 

get both they are cheap, i just recommend going with a truck or z06 85mm maf, they are like $40 on ebay and are the exact same as the slp and dont have a resistor added to them making it more difficult to tune...also look in the forsale section i got my asp 25% with belts for $110 shipped...

just remember if you dont get a tune with the 85mm maf you might gain nothing, lose hp, or gain hp depends on how it affects your afr...so maybe you should wait till you get a tune and then throw it on...

 

The ONLY way a MAF is better is if it's a larger hole for the engine to breath through...any electronic trickery will get learned back out by the O2 sensors, and will make it a pain for a tuner. Since the SLP MAF is the same housing as the 85mm MAF GM used on trucks and ZO6's...it's the same sized hole for air to flow through, and it's electronics (as delivered from GM) aren't molested so it's not a pain to tune. Even if your car was heavily modded...going to an SLP MAF would still be a waste of money.