camaro_9999

dear all
i want to buy walbro255 fuel pump for my lt1 383 so ist this one?
http://www.summitracing.com/parts/VPN-GSL392/
if it anthor one some body give me part no. please

also if i use this pump should i have a holly regulator or not??
my pump give me 16psi and it should go to +40 psi

also i need a good ignition coil i think the msd is good i need part no.
another ques. MSD digital cotroller 6AL is it good to install it or just wasting my mony??

96capricemgr

iTrader: (1)

Racetronix for the pump and get the "hotwire kit" comes with some extras that just make the install go better.

Ignition "upgrades" should be forgotten unless you are using boost or nitrous. From another thread you say nitrous is in the future, at that the Mallor 685 box is a very good option as it does a lot of things like window switch and such all on one nice neat inexpensive package.

I wouldn't "upgrade" the coil, the ONLY reason I even said an ignition box was an OK idea was the nitrous, on an NA motor they offer basically nothing, the stock ignition is good.

Rob94hawk

iTrader: (1)

what year is your car? If it's a 95 and earlier then get the MSD 8226 coil.

I have this fuel setup as well. Using the stock pressure regulator:

http://www.racetronix.biz/customkiti...c=RFPK-003&eq=

SupermanZ28

I went with this one... Best decision ever... Plug and play, no rewiring or anything like that... Everything you need comes right in the box...

http://www.summitracing.com/parts/GRN-GM722-2/

speed_demon24

iTrader: (6)

http://www.ws6project.com/user_stor/...pump-assembly/

I had no need for the wire kit even when i was spraying a 150 shoot.

96capricemgr

iTrader: (1)

There aren't a lot of manufacturer option far as intank 255lph pumps, think it is pretty much Walbro or china for the LT1 cars.
Granatelli can't even make an MAF that is accurate OR lasts I wouldn't trust them to make a fuel pump but in this case they are just reboxing one.

Granatelli

We also offer the GRN-GM722-340 - a 340lph pump. Also a direct drop in



http://granatellimotorsports.com/pro...mp-2315-0.html

http://www.summitracing.com/search/?...m722-340&dds=1

Granatelli

Proudly (above) you will find the culmination of a huge joint effort between Granatelli and General Motors. This meter is now sold nationally and is considered the standard to which all others are compared. This meter is a direct replacement for all the discontinued GM MAFs from 1994 to 2004. There are specific meters designed to replace the broken and warn out stock units for all 4.3, 5.0, 5.7 and 7.4 engines. These are not a 1 size fits all part they are tuned to each application to insure 100,000 miles or trouble free performance and driving.

We designed this meter with GM and it the same meter that is sold at EVERY GM Dealer in the world yet you're saying they are different

Granatelli

Sorry to jump off topic - just wanted to address everything

96capricemgr

iTrader: (1)

I began to document the missreporting of airflow of a Granatelli sensor a friend bought before he knew better it died 4 miles after I put it on my car I didn't even get it to the strip of road I used to datalog WOT. I don't know how much my friend had used it before he came to realize it was a problem not a solution.

IN the LT1 community over the last 10+years I am aware of one single verified positive documented result from a Granatelli meter and it was 2-3hp on a cammed car. A lot more guys have removed them to put stock sensors back on.
Far as 50-state legal that is about paying fees not about actual functional product and emissions regulations are about cruising and idle not WOT performance on cars that we routinely add a couple hundred HP over stock to with stock MAFs doing just fine.
The stock MAF has been documented to only be a single digit restriction on an over 500rwhp NA car, so I think anyone here who knows LT1 performance would question the integrity of a company marketing a "performance MAF" to bolton cars.

Given the LT1 MAF/PCM frequency range the only way to make a true performance MAF that would measure further and free up airflow above what the stocker works at would be to design it to report more airflow within the PCM's available frequency range. Then it can not be a direct bolton without reprogramming for the new MAF interpretation tables. Even then it would only be worthwhile for the heavy hitters.

Someone have the August 2005 Super Chevy article where they baseline a 97 Camaro with possibly ORIGINAL very dirty air filter and then put in a new filter and Granatelli MAF and post a huge gain that still has the car below what it should have been stock? That tells you a lot about how tests are rigged. A fresh airfilter and clean stock MAF would have been the ONLY legitimate way to test you wont see that test though because nobody stands to make advertizer money on it.

Since you want to "address everything" how about my accusation that the 255lph pumps are just reboxed Walbro? I would guess the 340lph is Aeromotive though.

Rob94hawk

iTrader: (1)

Ed Wright, a very trusted and respected LT1 tuner has nothing good to say about Granatelli MAFs. With dyno's to prove it. And he's not the only one.

96capricemgr

iTrader: (1)

Ed also found the stock LT1 MAF to only be a single digit restriction on his I believe 520rwhp car. If it cost a motor like that single digits there is no meaningful gain for the rest of us.

SupermanZ28

Ya'll makin me feel bad about my fuel pump... I hope it continue to holds up like it has been...

RamAir95TA

iTrader: (2)

I know that OEM GM MAFs are some of the best, if not THE best MAFs around. They are very popular in the import world as well.

I've been in the game for almost 13 years now and I've never heard anything good about Granatelli MAFs.

Granatelli

I know Ed - he WAS a good customer but also a guy that was unwilling to deviate from the software - this goes back to 1998

I can list 1,000,000 people that will tell you why Obama is the greatest thing since sliced bread. And I can list 1,000,001 that are for Romney. So either way by your standards - at least 1,000,000 are wrong

Granatelli

What a few of you guys are missing is what I keep telling you...........The Granatelli Meter IS THE SAME as OEM meters are, as we are part of the Delphi development team for these type meters dating back to 1994 when I owned Paxton and Aeromotive.

Saying a Granatelli meter is bad and an OE meter is good is like saying a 2002 Pontiac Trans Am motor is Bad but a 2002 Camaro motor is good

You're fight with yourselves

Granatelli

We designed this meter with GM and it is the same meter that is sold at EVERY GM Dealer in the world yet you're saying they are different

What are you not understanding

Granatelli

On a happier note - I hope you all have a nice weekend

SupermanZ28

I'm on a thread arguing with a millionaire... He used to own Paxton and Aeromotive and he's defending his Granatelli brand... The problem you run into is that when buying after market products you expect them to be better than the OEM stuff... If they operate at the same level, a lot of ppl say they aren't worth the extra money and therefore they suck...

Granatelli

We charge less then the dealer in many cases

Old School Granatelli