Big N/A horse power guys please step in
Thread Starter
9 Second Club
iTrader: (8)
Joined: Aug 2005
Posts: 270
Likes: 0
From: Little Rock, AR
Big N/A horse power guys please step in Doing some research and need some info. would like to see some engine combos 600rw plus N/A. looking for closer to the 700rw but anything in between would be nice.
Anyone running more than a 4.000 stroke and turning 8,000 rpm?
Anyone running big rw #'s with the FAST LSXr?
Anyone running 13 to 1 on pump gas?
Links to build would be great also
Thanks for any help
Kris
Anyone running more than a 4.000 stroke and turning 8,000 rpm?
Anyone running big rw #'s with the FAST LSXr?
Anyone running 13 to 1 on pump gas?
Links to build would be great also
Thanks for any help
Kris
Doing some research and need some info. would like to see some engine combos 600rw plus N/A. looking for closer to the 700rw but anything in between would be nice.
Anyone running more than a 4.000 stroke and turning 8,000 rpm?
Anyone running big rw #'s with the FAST LSXr?
Anyone running 13 to 1 on pump gas?
Links to build would be great also
Thanks for any help
Kris
Anyone running more than a 4.000 stroke and turning 8,000 rpm?
Anyone running big rw #'s with the FAST LSXr?
Anyone running 13 to 1 on pump gas?
Links to build would be great also
Thanks for any help
Kris
That would be stupid.
No-one with a street motor is going to be anywhere close to 700 rwhp on a NA pump gas build with only a 4" stroke.
Thread Starter
9 Second Club
iTrader: (8)
Joined: Aug 2005
Posts: 270
Likes: 0
From: Little Rock, AR
Thread Starter
9 Second Club
iTrader: (8)
Joined: Aug 2005
Posts: 270
Likes: 0
From: Little Rock, AR
Doing some research and need some info. would like to see some engine combos 600rw plus N/A. looking for closer to the 700rw but anything in between would be nice.
Anyone running more than a 4.000 stroke and turning 8,000 rpm?
Anyone running big rw #'s with the FAST LSXr?
Anyone running 13 to 1 on pump gas?
Links to build would be great also
Thanks for any help
Kris
Anyone running more than a 4.000 stroke and turning 8,000 rpm?
Anyone running big rw #'s with the FAST LSXr?
Anyone running 13 to 1 on pump gas?
Links to build would be great also
Thanks for any help
Kris
Build a 454ci resleeved LS2.
.
Thread Starter
9 Second Club
iTrader: (8)
Joined: Aug 2005
Posts: 270
Likes: 0
From: Little Rock, AR
Trending Topics
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?
Pouria Savadkouei
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine
Verdad Gallardo
7 Most Reliable High-Performance Engines GM Has Ever Built
Verdad Gallardo
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin
Verdad Gallardo
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
There's a handful of those types of builds out there.
Depending on your wallet you can have whatever you want. That FMS engine is not a streetable engine. Can it be driven on the street, yes, anything can be, but its a drag engine.
There's only two questions to ask:
What do you want to do with the car?
How much money do you have to spend?
Street only...
Street/Strip...
Strip only...
There's a bunch of 600-650 RWHP cars out there that are daily drivers too.
.
Depending on your wallet you can have whatever you want. That FMS engine is not a streetable engine. Can it be driven on the street, yes, anything can be, but its a drag engine.
There's only two questions to ask:
What do you want to do with the car?
How much money do you have to spend?
Street only...
Street/Strip...
Strip only...
There's a bunch of 600-650 RWHP cars out there that are daily drivers too.
.
13:1 running on E85. theres your pump gas. solid roller, obviously. the LSXR still a bit on the questionable side. if you used an LSX block, a 4.185 or 4.2 inch bore with the 4" stroke would be a screamer
.
My 431CI LSX Block made 646RWHP NA and easily RPM to 8400RPM through a Turbo 400 and an 8" Convertor.Easily over 700RWHP with a Clutch and a Manual.C-14 Race Gas as its close to 15:1 Compression.Big Stuff 3 Controls it all.Thanks to Dale Cherry,John Meaney
Thread Starter
9 Second Club
iTrader: (8)
Joined: Aug 2005
Posts: 270
Likes: 0
From: Little Rock, AR
What is street friendly? LOL
I have street driven my blown alky BBC truck on slicks before. Was it fun? HELL YES!
I sold my entire engine out of my car so YES I am doing research on my next build.
I am looking at something along the lines of
RHS block
big bore and short stroke to be able to rpm (8000)
solid roller
Allpro heads
compression is still up in the air right now. I ran 12.0 in my last motor with great results. 28 degrees of timing on pump gas with no KR. I am thinking around 13.0 so I can use a splash of race gas with the pump gas to do some street driving (not much). full race gas for the track. Wife will be pissed if she can't go for a ride. lol
Intake is still up in the air. I don't see the fast LSXr doing the job.
This is a 6 speed. I will be using a slipper clutch and YES you can street drive it.
The stupid part was trying to run 13:1 on pump GAS.
By that I mean 91-93 octane premium unleaded.
Can you run it on E-85? Hell yeah and it would love it.
The motor you described will not like the street at all. Can you do it? Yeah.
That FMS motor would not last long on the street. Hell it didn't last long in a race car. Don't worry about limiting stroke so the motor will RPM. You will be far more valvetrain and oiling sytem limited on your RPM than any crank that can be stuffed in a ls motor.
700 rwhp is a hell of a lot harder than 600 rwhp. And 600 rwhp in a streetable combo isn't at easy as some people think.
I wasn't trying to be an ***. I was just concerned about some kid reading the 13:1 on pump gas and then trying it with his motor and it blowing up. Somebody mentioned the term DCR on here in passing a few years ago and within 2 months people were running around here acting like it was a new spec you could order on a camshaft.
There are way too many people around here that think that just because you can do something, then that means you should do it.
By that I mean 91-93 octane premium unleaded.
Can you run it on E-85? Hell yeah and it would love it.
The motor you described will not like the street at all. Can you do it? Yeah.
That FMS motor would not last long on the street. Hell it didn't last long in a race car. Don't worry about limiting stroke so the motor will RPM. You will be far more valvetrain and oiling sytem limited on your RPM than any crank that can be stuffed in a ls motor.
700 rwhp is a hell of a lot harder than 600 rwhp. And 600 rwhp in a streetable combo isn't at easy as some people think.
I wasn't trying to be an ***. I was just concerned about some kid reading the 13:1 on pump gas and then trying it with his motor and it blowing up. Somebody mentioned the term DCR on here in passing a few years ago and within 2 months people were running around here acting like it was a new spec you could order on a camshaft.
There are way too many people around here that think that just because you can do something, then that means you should do it.
Thread Starter
9 Second Club
iTrader: (8)
Joined: Aug 2005
Posts: 270
Likes: 0
From: Little Rock, AR
It's one thing to cruse around town. It's another to drive it like a stupid *** putting big loads on the engine at race fuel timing.
Years ago the said limit for pump gas was 11.0 to 1. I ran 12.0 to 1 in my last motor making 550rw on pump gas. Now I see many builds going 12.5 to 1 with no issues. What is the limit? A street tune should have a conservative timing curve and knock sensors adjusted to pull timing accordingly.
What happened to the FMS motor?
Years ago the said limit for pump gas was 11.0 to 1. I ran 12.0 to 1 in my last motor making 550rw on pump gas. Now I see many builds going 12.5 to 1 with no issues. What is the limit? A street tune should have a conservative timing curve and knock sensors adjusted to pull timing accordingly.
What happened to the FMS motor?