Well.. thinking of power adder and need advice.
Well.. thinking of power adder and need advice. Can't remember if my mods are in my sig or not but currently...
1998 Z28 Camaro
Racetronics 255 w/hot wire kit
36# injectors
Summit Ghost Cam
PAC dual springs
Johnson short travel lifters
Ported, polished, milled .30 799 heads
TPIS 90mm LS6 intake
25% underdrive pulley
1 7/8 SE headers with 3" y w/4" vibrant merge and cutout
stock auto trans (I know)
stock rear 3.23s (i know)
a slew of other things like cold air lid and ssra..
I have a a PTC 3600 turbo converter.
Approx 11:0 compression ratio
I don't want to yank the ls1 engine for an iron block or build the bottom end all that much.. this is a street car and I want it to remain street friendly. I take this car on trips with family sometimes.. hence the ORY and cutout setup. I will eventually take it down the strip but can't imagine more than twice a summer. Street friendliness is important to me. I understand the injectors likely aren't enough no matter the choice. I would like to retain the current fuel pump, Racetronics claims 600hp. E85 is hard to come by where I live for some reason, I really only have 91 octane as a choice unless I purchase fuel additives. I want to retain the AC!
If you were in my position, what would you look at running for a power adder? I'm sure I'm leaving out some vital info somewhere.
1998 Z28 Camaro
Racetronics 255 w/hot wire kit
36# injectors
Summit Ghost Cam
PAC dual springs
Johnson short travel lifters
Ported, polished, milled .30 799 heads
TPIS 90mm LS6 intake
25% underdrive pulley
1 7/8 SE headers with 3" y w/4" vibrant merge and cutout
stock auto trans (I know)
stock rear 3.23s (i know)
a slew of other things like cold air lid and ssra..
I have a a PTC 3600 turbo converter.
Approx 11:0 compression ratio
I don't want to yank the ls1 engine for an iron block or build the bottom end all that much.. this is a street car and I want it to remain street friendly. I take this car on trips with family sometimes.. hence the ORY and cutout setup. I will eventually take it down the strip but can't imagine more than twice a summer. Street friendliness is important to me. I understand the injectors likely aren't enough no matter the choice. I would like to retain the current fuel pump, Racetronics claims 600hp. E85 is hard to come by where I live for some reason, I really only have 91 octane as a choice unless I purchase fuel additives. I want to retain the AC!
If you were in my position, what would you look at running for a power adder? I'm sure I'm leaving out some vital info somewhere.
Last edited by Tyler Dietzenbach; Aug 13, 2022 at 10:10 AM.
You would be better served posting in the FI section. At a minimum from what I see:
You need injectors
I don't see the pump size of the Racetronix, but if its a 255 thats limited about 500whp boosted.
Cam and heads are fine.
If you're limited to 91, I would strongly suggest running a water/meth kit. Even using -20*F windshield washer fluid will go a LONG way to keeping it alive.
My old SS lived with a cammed/stalled/D1 Procharger on a stock trans and rear. That torque converter needs to be swapped though.
I'm assuming that you want to keep AC and stock like manners and be able to work under the hood of an Fbody.....look at a rear mount setup. Procharger is fine but $$$$.
You need injectors
I don't see the pump size of the Racetronix, but if its a 255 thats limited about 500whp boosted.
Cam and heads are fine.
If you're limited to 91, I would strongly suggest running a water/meth kit. Even using -20*F windshield washer fluid will go a LONG way to keeping it alive.
My old SS lived with a cammed/stalled/D1 Procharger on a stock trans and rear. That torque converter needs to be swapped though.
I'm assuming that you want to keep AC and stock like manners and be able to work under the hood of an Fbody.....look at a rear mount setup. Procharger is fine but $$$$.
The milled heads are going to limit how much boost you'll be able to get away with, esp on just 91.. Your tune would need to be SPOT ON, and even then I'm not sure how long a SBE LS1 would last and not sure I would trust it to take trips with the family. People will need more info to give you a rough idea though. To get ya started:
- Do you have a preference, turbo or supercharger?
- Keep AC?
- Can you do any fabrication yourself or need/prefer a full "bolt on" kit?
- What is your budget?
The milled heads are going to limit how much boost you'll be able to get away with, esp on just 91.. Your tune would need to be SPOT ON, and even then I'm not sure how long a SBE LS1 would last and not sure I would trust it to take trips with the family. People will need more info to give you a rough idea though. To get ya started:
- Do you have a preference, turbo or supercharger?
- Keep AC?
- Can you do any fabrication yourself or need/prefer a full "bolt on" kit?
- What is your budget?
I dont have a preference on the adder and I'm open to opinions
Keeping AC is mandatory
A friend of mine is an excellent fabricator but I prefer to do this *mostly* myself in the garage over winter.
Budget.. I don't want to say it's endless but I really don't want to spend several thousand. My wife would kill me 😂. Anything over 5K would be questionable at this time.
I don't think a <$5k centrifugal is possible. (someone chime in if they know, procharger kit from brute is almost double that depending on options.)
If you have a welder and its something you feel like you can/want to tackle yourself, a "sloppy style" single turbo build using stock manifolds would be your cheapest turbo option..
Quality kit ready to basically go in, im partial to Huron speed stuff.
Nitrous could be done for cheaper, and IMO would compliment the mods you already have a lot better than a turbo/blower. Easy to install, easy to work around, continue routine maintenance, etc...
If you have a welder and its something you feel like you can/want to tackle yourself, a "sloppy style" single turbo build using stock manifolds would be your cheapest turbo option..
Quality kit ready to basically go in, im partial to Huron speed stuff.
Nitrous could be done for cheaper, and IMO would compliment the mods you already have a lot better than a turbo/blower. Easy to install, easy to work around, continue routine maintenance, etc...
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I don't think a <$5k centrifugal is possible. (someone chime in if they know, procharger kit from brute is almost double that depending on options.)
If you have a welder and its something you feel like you can/want to tackle yourself, a "sloppy style" single turbo build using stock manifolds would be your cheapest turbo option..
Quality kit ready to basically go in, im partial to Huron speed stuff.
Nitrous could be done for cheaper, and IMO would compliment the mods you already have a lot better than a turbo/blower. Easy to install, easy to work around, continue routine maintenance, etc...
If you have a welder and its something you feel like you can/want to tackle yourself, a "sloppy style" single turbo build using stock manifolds would be your cheapest turbo option..
Quality kit ready to basically go in, im partial to Huron speed stuff.
Nitrous could be done for cheaper, and IMO would compliment the mods you already have a lot better than a turbo/blower. Easy to install, easy to work around, continue routine maintenance, etc...
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Verdad Gallardo 60lb injectors. I think I had either twin 255's or a single 450. Started around 7 psi and went to 10. The manual tensioners are a PITA to prevent belt slip. Auto tensioner adds to the cost but its worth it. SBE, Futral F13 cam. Was easily 500whp and drove like OEM plus blower whistle.
60lb injectors. I think I had either twin 255's or a single 450. Started around 7 psi and went to 10. The manual tensioners are a PITA to prevent belt slip. Auto tensioner adds to the cost but its worth it. SBE, Futral F13 cam. Was easily 500whp and drove like OEM plus blower whistle.
Would you mind going over your pulley setup with me? I've never owned a supercharged car. My current setup is all stock minus the PowerBond 25% pulley. Would I need to change that out? I also see things regarding pinning the crank etc. Did you run the dual intercooler and retain AC?
Also worth noting noting is I have a 1998, so things are different. I have a steel tank. So I'm not even sure E85 can be a thing as it sits.
I'm starting to like this idea. I will just have to figure out my fuel because of the lack of e85 and 93. I'm not worried about spending the cash on injectors and a second pump with assembly. I need to do this safely and conservatively. I was thinking of running around 6-8 psi.
Would you mind going over your pulley setup with me? I've never owned a supercharged car. My current setup is all stock minus the PowerBond 25% pulley. Would I need to change that out? I also see things regarding pinning the crank etc. Did you run the dual intercooler and retain AC?
Also worth noting noting is I have a 1998, so things are different. I have a steel tank. So I'm not even sure E85 can be a thing as it sits.
Would you mind going over your pulley setup with me? I've never owned a supercharged car. My current setup is all stock minus the PowerBond 25% pulley. Would I need to change that out? I also see things regarding pinning the crank etc. Did you run the dual intercooler and retain AC?
Also worth noting noting is I have a 1998, so things are different. I have a steel tank. So I'm not even sure E85 can be a thing as it sits.
Do a search on threads I've started, I have the build thread on here. ATI dampener for an 8 rib setup using an automated tensioner is where you want to be. @Bob@BruteSpeed has good info on their website. I was also a 98 with a steel tank. Single front mount kit that was DIY using Ebay stuff, super easy to cut/fit the aluminum tubes.
Thanks for all the information.
TECH Fanatic
Joined: Jul 2022
Posts: 1,036
Likes: 390
From: Alaska
How Cheap would ya go ?
Are the new AEM Water INJ kits decent enough ?
They have a model out that will run progressive, and can existing use 0-5v MAP sense....
Presumably scalable to any number of BAR sensor.
Anyone put some hours on one and like 'em ?
Progressive isn't needed for this setup. Simple boost switch.
Hey thanks for the comment. I think I prefer turbo or super. And now after doing some research I think I want to go with a D1SC. Would I need to run meth with the E85?