Who is the best
9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
If we ignore the who side of things for a minute...
For heavy mile work, tuning is far more important than the actual motor. So bare that in mind.
And for sustained heavy loads, piston oil squirters are always worth having...so consider that
Also, err slightly on the side of caution with CR if you intend to use only pump gas. It will have only a minor effect on power per boost, but will add huge amounts of safety. So all it will take is a little more boost to get the same number and be safer doing so.
As far as making power goes, ultimately engine size with boost will make little odds, the turbo's to a large degree will dictate the numbers, engine size will dictate power delivery
A 5.3 build would probably be a cheap and very sturdy option
For heavy mile work, tuning is far more important than the actual motor. So bare that in mind.
And for sustained heavy loads, piston oil squirters are always worth having...so consider that
Also, err slightly on the side of caution with CR if you intend to use only pump gas. It will have only a minor effect on power per boost, but will add huge amounts of safety. So all it will take is a little more boost to get the same number and be safer doing so.
As far as making power goes, ultimately engine size with boost will make little odds, the turbo's to a large degree will dictate the numbers, engine size will dictate power delivery
A 5.3 build would probably be a cheap and very sturdy option
FormerVendor
Joined: Nov 2005
Posts: 191
Likes: 0
From: Indiana
If we ignore the who side of things for a minute...
For heavy mile work, tuning is far more important than the actual motor. So bare that in mind.
And for sustained heavy loads, piston oil squirters are always worth having...so consider that
Also, err slightly on the side of caution with CR if you intend to use only pump gas. It will have only a minor effect on power per boost, but will add huge amounts of safety. So all it will take is a little more boost to get the same number and be safer doing so.
As far as making power goes, ultimately engine size with boost will make little odds, the turbo's to a large degree will dictate the numbers, engine size will dictate power delivery
A 5.3 build would probably be a cheap and very sturdy option
For heavy mile work, tuning is far more important than the actual motor. So bare that in mind.
And for sustained heavy loads, piston oil squirters are always worth having...so consider that
Also, err slightly on the side of caution with CR if you intend to use only pump gas. It will have only a minor effect on power per boost, but will add huge amounts of safety. So all it will take is a little more boost to get the same number and be safer doing so.
As far as making power goes, ultimately engine size with boost will make little odds, the turbo's to a large degree will dictate the numbers, engine size will dictate power delivery
A 5.3 build would probably be a cheap and very sturdy option
If we ignore the who side of things for a minute...
For heavy mile work, tuning is far more important than the actual motor. So bare that in mind.
And for sustained heavy loads, piston oil squirters are always worth having...so consider that
Also, err slightly on the side of caution with CR if you intend to use only pump gas. It will have only a minor effect on power per boost, but will add huge amounts of safety. So all it will take is a little more boost to get the same number and be safer doing so.
As far as making power goes, ultimately engine size with boost will make little odds, the turbo's to a large degree will dictate the numbers, engine size will dictate power delivery
A 5.3 build would probably be a cheap and very sturdy option
For heavy mile work, tuning is far more important than the actual motor. So bare that in mind.
And for sustained heavy loads, piston oil squirters are always worth having...so consider that
Also, err slightly on the side of caution with CR if you intend to use only pump gas. It will have only a minor effect on power per boost, but will add huge amounts of safety. So all it will take is a little more boost to get the same number and be safer doing so.
As far as making power goes, ultimately engine size with boost will make little odds, the turbo's to a large degree will dictate the numbers, engine size will dictate power delivery
A 5.3 build would probably be a cheap and very sturdy option
This is the type of advice im looking for. Thank you for taking the time to comment. The more i read and research the forged 327 or something with a short stroke, high RPM, low compression ratio sounds like the way to go.
This is what im thinking about having built. Please advise if you think it is a wise choice.
balanced and blue printed 5.3
Callies forged h beam rods
Callies 4340 forged crank
Wiseco forged FI pistons
ARP harware through out
clevite rod bearings
dura bond cam bearings
fully worked 317 heads (already have)
piston cooling jets
twin t61 MP turbos (already have)
120lb injectors
This motor is going to replace the LQ4 that i already have in my 1977 280Z.. weight is obviously not an issue here hince why i dont mind going with a less torquey engine. My goal is to be in the 800 range on a regular basis and capable of pushing it to 1k when needed. Pump gas only is the goal so i would like to keep CR low.. any suggestions on cam and CR to best utilize this setup?
Last edited by oscs; Nov 17, 2013 at 10:40 AM.
9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
Cam would be best left to others.
CR, I'd think you shouldnt need to go lower than 8.5:1, but if you wanted to err on the mega safe side of caution, you could go a little lower.
The oil squirters will help a lot here too, as they will add a lot of cooling to the piston.
Whether those turbo's will get you there...I dont know
And of course, cant forget a decent intercooler.
Aiming for a smaller engine will help in a couple of respects I think. If you could get a cam and valvetrain that allowed you a good solid 7500rpm say, I'm sure you will see a lot of boost from 4-4500rpm, so that gives you a very wide power band
So for the mile work, it gives you slightly more options as far as gearing goes, as you're less likely to end up somewhere bad after a shift.
My car is touch and go in this respect due to tallish gearing that I need to hit 200+ in a mile.
So factor in overall gearing too.
I played mine so that a normal T56, with the 0.74 5th gear, 255/40x17 tyres and 3.27 rear would let me hit 200mph in 5th, which it does around 6700rpm.
But that's mine hard pushed as far as rpm goes with that sort of load against it. A cam setup that peaked around 7k would probably pull a lot harder up there, more easily.
CR, I'd think you shouldnt need to go lower than 8.5:1, but if you wanted to err on the mega safe side of caution, you could go a little lower.
The oil squirters will help a lot here too, as they will add a lot of cooling to the piston.
Whether those turbo's will get you there...I dont know
And of course, cant forget a decent intercooler.
Aiming for a smaller engine will help in a couple of respects I think. If you could get a cam and valvetrain that allowed you a good solid 7500rpm say, I'm sure you will see a lot of boost from 4-4500rpm, so that gives you a very wide power band
So for the mile work, it gives you slightly more options as far as gearing goes, as you're less likely to end up somewhere bad after a shift.
My car is touch and go in this respect due to tallish gearing that I need to hit 200+ in a mile.
So factor in overall gearing too.
I played mine so that a normal T56, with the 0.74 5th gear, 255/40x17 tyres and 3.27 rear would let me hit 200mph in 5th, which it does around 6700rpm.
But that's mine hard pushed as far as rpm goes with that sort of load against it. A cam setup that peaked around 7k would probably pull a lot harder up there, more easily.
and again it doesn't have to be a 327 i only say 327 becuase i see so many guys have sucess boosting the crap out of them. If there is another safe option to flirt with 1k reliably im all ears
9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
Plenty of safe options....cost ?
The 5.3 blocks having so much more material between bores etc...do sort of lend themselves to a sturdy base for making power. The fact they are so cheap is a huge bonus.
The 5.3 blocks having so much more material between bores etc...do sort of lend themselves to a sturdy base for making power. The fact they are so cheap is a huge bonus.
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
Awesome K5 Blazer Restomod Comes With C7 Corvette Power
Verdad Gallardo
10 Camaros You Should Never Buy
10 LS Engine Myths That Refuse to Die
Verdad Gallardo money is there, the goal is to get to the 8-1k level and keep the DC% of all components low
tried that.. even went by the shop saturday. Let me say this, if you didn't know what you where looking at you would NEVER know this shop was known for building the best LS motors in the world. No sign, MESSY office lol and just junk everywhere. To each his own i suppose. Im going to run over there monday and see how long his lead time actually is.
tried that.. even went by the shop saturday. Let me say this, if you didn't know what you where looking at you would NEVER know this shop was known for building the best LS motors in the world. No sign, MESSY office lol and just junk everywhere. To each his own i suppose. Im going to run over there monday and see how long his lead time actually is.
I sent an email out to Sean at ERL/AES inquiring about a custom forged 5.3 or something with a similar short stroke motor for more reliability. Ill get in touch with LME/HKE regarding the same and see who i like. I have a feeling a bullet proof 5.3 and Twin T61's will get me into the 800-1k range and last a lot longer than a 402/408 but im a rook and only comment based on what i see on the boards.
If i had my way and Erik had a 3 month lead time id wait because i haven't been able to find one single complaint regarding his engines, NOT ONE.. Oh and his shop is literally 15min from my house and 10 from work..
Last edited by oscs; Nov 17, 2013 at 02:00 PM.
TECH Apprentice
Joined: Mar 2012
Posts: 303
Likes: 0
From: Aus
I'm putting a vote in for AES. My reasoning behind them included being very well priced for what you get. Active in the racing community. And with the internet being such a viscous tool for placing reviews on companies, minimal bad reviews. The people that did have issues, it turned out it was by no fault of AES but the guys still tried to help out where they could.
Good enough for me to send my hard earned $$ halfway around the world. As well as two of my mates from where I live. Both of them are very happy.
Good enough for me to send my hard earned $$ halfway around the world. As well as two of my mates from where I live. Both of them are very happy.
I'm putting a vote in for AES. My reasoning behind them included being very well priced for what you get. Active in the racing community. And with the internet being such a viscous tool for placing reviews on companies, minimal bad reviews. The people that did have issues, it turned out it was by no fault of AES but the guys still tried to help out where they could.
Good enough for me to send my hard earned $$ halfway around the world. As well as two of my mates from where I live. Both of them are very happy.
Good enough for me to send my hard earned $$ halfway around the world. As well as two of my mates from where I live. Both of them are very happy.
9 Second Truck Club
iTrader: (17)
Joined: Sep 2006
Posts: 3,672
Likes: 9
From: Colorado Springs, Co/ Central, Ca
tried that.. even went by the shop saturday. Let me say this, if you didn't know what you where looking at you would NEVER know this shop was known for building the best LS motors in the world. No sign, MESSY office lol and just junk everywhere. To each his own i suppose. Im going to run over there monday and see how long his lead time actually is.