Performer to Performer RPM upgrade

Green Machine · Jun 27, 2004

Looking for away to tweak a little more rwhp out of my 5.0

My 5.0 I/H with stock cam and 19lb injectors is putting down 284.9 / 312
I was thinking about checking eBay out and buying a Eldelbrock Perfromer RPM upper to hook up to my existing Performer lower.

I also need to upgrade to 24lb injectors at the same time. How much rwhp would the RPM and 24lb injectors make ?

Of course the other options are = Ed Curtis cam or MAC/BBK 1 5/8" LT's and a whole lot more money.

Let me know what you think. Thanks Dewman

ARed1995GT · Jun 27, 2004

your car will be able to pull longer, past 6k, right now i got stock heads, cam, and i got the performer rpm on my car because my other performer 5.0 upper had a vacuum leak (or so we thought, hehe), i lost some low end torque but the car pulls a lot harder

5.0_GT_kid · Jun 27, 2004

Green Machine said:
Looking for away to tweak a little more rwhp out of my 5.0

My 5.0 I/H with stock cam and 19lb injectors is putting down 284.9 / 312
I was thinking about checking eBay out and buying a Eldelbrock Perfromer RPM upper to hook up to my existing Performer lower.

I also need to upgrade to 24lb injectors at the same time. How much rwhp would the RPM and 24lb injectors make ?

Of course the other options are = Ed Curtis cam or MAC/BBK 1 5/8" LT's and a whole lot more money.

Let me know what you think. Thanks Dewman

I dunno how much more hp you would make but that sounds like a sweet setup, I interested to hear what you make.

VibrantRedGT · Jun 27, 2004

In N/A form my car did not pick up anything at the track when I changed over. Not sure about HP numbers. The only thing noticable is the powerband changes. Where your use to shifting at 5500 rpm the RPM wants 6100.

Green Machine · Jun 27, 2004

ARed1995GT
Thanks for the info. I'll see if I can find a deal on one. GEF Racing has the FMS 24lb injectors for 199.00 wich is a good deal. I'll see what I do to get the project rolling.

5.0_GT_kid
I use to live in Seminole just south of you. My Mom still lives over there. She in her 80's drives a new Seville, and goes shopping at Publix's everyday.

Green Machine · Jun 27, 2004

Thanks Vib for the info. I took you advise a couple years ago and bought the Perfromer based on how well you liked the Eldelbrock products.

I really just need to add the RPM and 24's with MAC LT's and then reflash the Diablo chip and then see what happens.

Thanks,Dewman

AznStanger3v · Jun 27, 2004

im about to add my 24lb injectors when i do my intake swap. I have stock heads and cam, do you guys know what i should put my fuel pressure at (i have a kirban adjustable fuel pressure regulator)

5.0_GT_kid · Jun 27, 2004

Green Machine said:
5.0_GT_kid
I use to live in Seminole just south of you. My Mom still lives over there. She in her 80's drives a new Seville, and goes shopping at Publix's everyday.

Seminole is a nice town, Let me know if you ever come down to visit and we can get some stangs together and cruise for a nite or something.

Green Machine · Jun 27, 2004

17yrOldStanger

I'm running right at 32lbs of pressure according to my Kirban.

5.0_GT_kid

I'll do that. Years ago, before everything was built up on 113th it made for a great dragstrip. 1969-1975. Plus the deputies would let you go if you could out run them.

5.0_GT_kid · Jun 27, 2004

Green Machine said:
17yrOldStanger

I'm running right at 32lbs of pressure according to my Kirban.

5.0_GT_kid

I'll do that. Years ago, before everything was built up on 113th it made for a great dragstrip. 1969-1975. Plus the deputies would let you go if you could out run them.

Man I wish it was like that now. I'm gonna PM you with a link here

Green Machine · Jun 28, 2004

Talked to a tech at Eldebrock today. He said it wouldn't be worth it to upgrade to the RPM unless I was adding a bigger cam. Then he said I would see a nice difference.

I think plan B is in order here. Save the $$ up and get an Ed Curtis cam and add some LT headers. That should make a nice diiference.

Performer to Performer RPM upgrade

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