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Old 05-04-2021, 10:48 AM   #15
JSH

 
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From a macro standpoint, $100/hp looks like a pretty good number
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HPE Phase I 7/20:
Stock SC and TB, 10% pulley
Custom valve train/PP heads
Kooks Long tubes, green cats
Custom heat exchangers, RotoFab

Phase II Mods In-progress Today
Kong ported blower/snout, NW 103mm ported TB,
FII blower spacer plates & thermal reduction blanket,
Griptec snout pulley 2.4", MMS Mild catch can
ADM ultra large intercooler coolant reservoir,
DSX low side pump
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Old 05-04-2021, 10:48 AM   #16
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Quote:
Originally Posted by KingLT1 View Post
I have been running E85 since 2017. The pros outweigh the cons.

I made my statement based on coming from a stock ZL1. You didn't specify what prerequisites the recommendations should be based on.
Based on this, strictly from a stock ZL1, I agree that going E85 is the best bang for the buck if you can live with the cons noted above which are fairly minor.
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Old 05-04-2021, 10:49 AM   #17
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Quote:
Originally Posted by JSH View Post
My builder says I need both a high and low side FP to run E85. I mention this only because there's always more work/cost to a mod than one might think.

The 2650 makes a great example:

It'll cost say $8100 delivered, and IF you know how to remove the Eaton and install the Maggie, and make NO other mods other than a tune, KaTech says it would likely make around 600-620 wheel, which is 35-55 hp more than mine stock. But, of course, I would and you would make other mods costing $$$$$.

Which reminds me, how much more power will a stock LT4 make with only a tune? Perhaps this is the most cost effective mod?
You're in a different situation trying to run E85 because your car already has so much done to it already, it will require a major fuel overhaul compared to a stock ZL1.
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Old 05-04-2021, 10:50 AM   #18
JSH

 
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Quote:
Originally Posted by KingLT1 View Post
You didn't specify what prerequisites the recommendations should be based on.
A bone stock ZL1 LT4
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HPE Phase I 7/20:
Stock SC and TB, 10% pulley
Custom valve train/PP heads
Kooks Long tubes, green cats
Custom heat exchangers, RotoFab

Phase II Mods In-progress Today
Kong ported blower/snout, NW 103mm ported TB,
FII blower spacer plates & thermal reduction blanket,
Griptec snout pulley 2.4", MMS Mild catch can
ADM ultra large intercooler coolant reservoir,
DSX low side pump
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Old 05-04-2021, 04:28 PM   #19
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E85
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Old 05-04-2021, 07:51 PM   #20
19Nasty1le
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I’ve seen cars make 640+ whp with just headers and tune pretty good power for dollars
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Old 05-04-2021, 09:16 PM   #21
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Quote:
Originally Posted by 19Nasty1le View Post
I’ve seen cars make 640+ whp with just headers and tune pretty good power for dollars

Headers and a tune? Not possible.


Show me the dynographs along with "Just headers and a tune".
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Magnuson 2650 90mm upper w/10% lower
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Heads done by LME (Full new Valvetrain)
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Kooks 2" Headers w/Green GESI Cats
Borla 3" Full Cat Back w/ S-Type
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Old 05-04-2021, 09:29 PM   #22
JSH

 
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Quote:
Originally Posted by 2018ZL1 View Post
E85
Yea, my shop is working up a quote to go that route. I know I'll need a high side pump, which is fine because I might end up with a Maggie
__________________
HPE Phase I 7/20:
Stock SC and TB, 10% pulley
Custom valve train/PP heads
Kooks Long tubes, green cats
Custom heat exchangers, RotoFab

Phase II Mods In-progress Today
Kong ported blower/snout, NW 103mm ported TB,
FII blower spacer plates & thermal reduction blanket,
Griptec snout pulley 2.4", MMS Mild catch can
ADM ultra large intercooler coolant reservoir,
DSX low side pump
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Old 05-04-2021, 10:42 PM   #23
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This article says headers, exhaust and tune was 41 hp
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HPE Phase I 7/20:
Stock SC and TB, 10% pulley
Custom valve train/PP heads
Kooks Long tubes, green cats
Custom heat exchangers, RotoFab

Phase II Mods In-progress Today
Kong ported blower/snout, NW 103mm ported TB,
FII blower spacer plates & thermal reduction blanket,
Griptec snout pulley 2.4", MMS Mild catch can
ADM ultra large intercooler coolant reservoir,
DSX low side pump
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Old 05-05-2021, 06:23 AM   #24
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Headers and tune. E85 sounds good but if you have no access then you are SOL. Headers are on and there no thinking about that plus have to mix ratios of fuel. Best bang for buck all around hands down!
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Old 05-05-2021, 06:30 AM   #25
EDFHOBBIES
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Quote:
Originally Posted by JSH View Post
Mods are dealt with everyday here, but I don't recall see a ranking of mods based on cost and HP gained.

I suppose technically you would have to dyno with each mod to say for certain, but we know that mods such as headers would be near the top of the ranking.
For the price of ARH headers you can do all this yourself stay on 93 then you can add fueling later..


https://www.camaro6.com/forums/showthread.php?t=517100
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Old 05-05-2021, 09:51 AM   #26
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Quote:
Originally Posted by JSH View Post
Yea, my shop is working up a quote to go that route. I know I'll need a high side pump, which is fine because I might end up with a Maggie
I didnt do a high side pump because the lead time on the big bore was like 8-12 weeks out! I ended up doing the fore systems triple in tank pump, 32% fuel lobe and 30% injectors, at 866RWHP the high side is all good on E65
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Old 05-05-2021, 09:58 AM   #27
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Headers, GESI cats and a tune. The return is real world improved throttle response, more usable HP throughout the usable power band, improved sound and a building block for most future mods.
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Old 05-05-2021, 11:02 AM   #28
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Quote:
Originally Posted by 2018ZL1 View Post
I didnt do a high side pump because the lead time on the big bore was like 8-12 weeks out! I ended up doing the fore systems triple in tank pump, 32% fuel lobe and 30% injectors, at 866RWHP the high side is all good on E65
With the Fore, are you careful to always keep fuel level at 50%+?

My understanding is that with the stock fuel pump housing removed you lose the surge tank and even a hard pull or high G turn on an onramp, with under 1/4 tank, could result in fuel starvation.
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