Procharged Iron Block??
Thread Starter
Joined: Aug 2002
Posts: 10,331
Likes: 1
From: San Antonio, TX
Procharged Iron Block?? I am looking at doing an iron block 370ci build up in the next month or so. I will be using Diamond 4.03 15cc dished pistons and Eagle H-beam rods with ARP rod bolts. I also want to use ARP head studs. I plan in the end to run 9:1 compression. I will be running a pretty big cam. 232/238 580ish/590ish on a 114. My question is will i be ok to run stock heads mildley ported until the beginning of Jan. I will be replacing the stock heads with PP 6.0L heads. If my calculations are correct i should be at 9:2 to 1 with stock heads. I was told 98 heads have a 69cc chamber and it was the head gaskets that made up for it in 98. Is that correct?? If that is true i would be a little lower.
Thanks
Kyle
Thanks
Kyle
TECH Senior Member
Joined: Nov 2001
Posts: 11,603
Likes: 0
From: Chi-Town, IL
I would just spend the $ and do it right, also consider the fuel you are going to need, I'm out of fuel at 14psi with my setup....I'm running 42.5LB injectors, hopefully twin 340's in the tank will solve the problem, completely bypass 8 rib, it won't last, I figure my motor makes too much TQ for that belt to stand a shock....go to COGS and be done with it.....
If I still have fuel issues after the 340's I'll up to siemens 57# thats basically the highest you can go with the high impedance...
If I still have fuel issues after the 340's I'll up to siemens 57# thats basically the highest you can go with the high impedance...
SSU Moderator
Joined: Nov 2001
Posts: 4,857
Likes: 0
From: Austin, TX
1. its all for nothing w/ the procharger unless you can solve the bracket/belt issues. Don't be like BOS (no offense).
2. You will far exceed the PCM/Tuning if the 370" motor is done right. Plus, you surely won't kill a stock block w/o having to deal with 23486298234 different issues w/ the PCM and procharger.
Just my .02.
2. You will far exceed the PCM/Tuning if the 370" motor is done right. Plus, you surely won't kill a stock block w/o having to deal with 23486298234 different issues w/ the PCM and procharger.
Just my .02.
Thread Starter
Joined: Aug 2002
Posts: 10,331
Likes: 1
From: San Antonio, TX
RyanJ, what do you meen by this???
2. You will far exceed the PCM/Tuning if the 370" motor is done right. Plus, you surely won't kill a stock block w/o having to deal with 23486298234 different issues w/ the PCM and procharger.
what is 23486298234???? explain please.
It doesnt bother me to replace head bolts because just like Vents said i do still have to go to work and my women can only take me for so long ya know.
I will be replacing the stock mildley ported heads with PP 6.0L heads in DEC. or Jan. Keep it coming i like to know what you guys are thinking.
Kyle
2. You will far exceed the PCM/Tuning if the 370" motor is done right. Plus, you surely won't kill a stock block w/o having to deal with 23486298234 different issues w/ the PCM and procharger.
what is 23486298234???? explain please.
It doesnt bother me to replace head bolts because just like Vents said i do still have to go to work and my women can only take me for so long ya know.
I will be replacing the stock mildley ported heads with PP 6.0L heads in DEC. or Jan. Keep it coming i like to know what you guys are thinking.
Kyle
Trending Topics
SSU Moderator
Joined: Nov 2001
Posts: 4,857
Likes: 0
From: Austin, TX
I was 1/2 joking. WIth all the problems BOS had with the belt/bracket and the limitations in the PCM (unless you're Harlan) I was saying you will have a billion other little issues to worry about before a stock aluminum block cracks or splits. Plus they will run a tad cooler. I was just thinking its a waste to do an iron block when you won't get to the power level needed for Iron with the LS1 and a procharger. On this board alone a few have reached or will reach 1000hp with an LS1 block.
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 TECH Senior Member
Joined: Nov 2001
Posts: 11,603
Likes: 0
From: Chi-Town, IL
I plan on keeping the stock PCM for a while until I ABSOLULTELY need it......
I'm shooting for 16psi with the new COGS setup, going to throw twin 340 walbros in the tank, and upgrade my 42.5's to 57# if the walbros alone don't solve it.....
My iron block motor with the 16" single spal fan and CAS "extra large" radiator puts me from 165-170 degrees in the hot summer heat....
But the other issue at hand for me is that the blower will be maxed out as well as the intercoolers, so if anything, that means that an F1 or F1-R is in the works for the future along with a front mount intercooler setup similar to PSJ's...
I'm shooting for 16psi with the new COGS setup, going to throw twin 340 walbros in the tank, and upgrade my 42.5's to 57# if the walbros alone don't solve it.....
My iron block motor with the 16" single spal fan and CAS "extra large" radiator puts me from 165-170 degrees in the hot summer heat....
But the other issue at hand for me is that the blower will be maxed out as well as the intercoolers, so if anything, that means that an F1 or F1-R is in the works for the future along with a front mount intercooler setup similar to PSJ's...
SSU Moderator
Joined: Nov 2001
Posts: 4,857
Likes: 0
From: Austin, TX
I just don't see the point in going to an iron block. I think people do it just to do it (excluding 400+cid guys looking for a square or oversquare motor). Same with front mount intercoolers (air2air) and stuff like that. It sounds real cool, but I thought faster was better. Not to imply that thats what you are doing. Internet/car hype just drives a lot of stuff. Harlan does his own thing, same with Steve. They have the most impressive FI cars, IMO.
I guess I think more simply than the rest of you guys that own prochargers. You would probably go faster if you concentrated on tuning, fuel system, heads/cam, and efficiency. Harlan did. If you're not rocking the **** out of the brackets with rpm and little tiny pulleys, and had really nice motors behind the blower...you'd get your HP goals with less boost with a more efficient setup.
First thing I'd probably do is talk to either: 1) Harlan, 2) Steve H., or 3) Chris S.
I guess I think more simply than the rest of you guys that own prochargers. You would probably go faster if you concentrated on tuning, fuel system, heads/cam, and efficiency. Harlan did. If you're not rocking the **** out of the brackets with rpm and little tiny pulleys, and had really nice motors behind the blower...you'd get your HP goals with less boost with a more efficient setup.
First thing I'd probably do is talk to either: 1) Harlan, 2) Steve H., or 3) Chris S.
TECH Addict
iTrader: (9)
Joined: Apr 2002
Posts: 2,085
Likes: 0
From: Texas, it's like your state, but better.
well, Ryan, i do like the way you think, but hot rodding is all about doing the best w/ what you've got. Kyle's best option for what he wants to do now, and keep a daily driven car, is to go the iron block route. some of us dont have kajillions of dollars to do whatever we want w/ any setup we'd like. Kyle's car will go low low 10's if not 9's on the setup we're building now, and it's just because we're working w/ what we have.
Harlan/ Steve/ Chris have their own adjendas, and are great examples of what pioneering an area can do. we're going to explore the iron block side of it, and if that is done as an underdong, so be it.
he's allready gone 123 MPH on a basically stock motor. all he wants to do is drop the CR, add some cubes, and run about 15-18# boost on the D1. not a bad way to do just that, and get it into the 10's on 16" nittos
Harlan/ Steve/ Chris have their own adjendas, and are great examples of what pioneering an area can do. we're going to explore the iron block side of it, and if that is done as an underdong, so be it.
he's allready gone 123 MPH on a basically stock motor. all he wants to do is drop the CR, add some cubes, and run about 15-18# boost on the D1. not a bad way to do just that, and get it into the 10's on 16" nittos
Well said Vince... Gotta make the best with the options in front of you. It will all work out, and Kyle's TA will be one bad mamma jamma when you're done.
On a side note, I wish I could get another run against your car before you pull it apart now that I'm tuned. I don't think you'd pull like last time. 
On a side note, I wish I could get another run against your car before you pull it apart now that I'm tuned.
I don't think you'd pull like last time. Thread Starter
Joined: Aug 2002
Posts: 10,331
Likes: 1
From: San Antonio, TX
Thanks guys. You hit the nail right on the head Vents. I am doing the best with what i have. I picked an Iron block because A. It is stronger and B. i plan to spray on it also. I am spinning the D1 at 50691rpm with my calculations and with this bigger motor i plan on shifting now at 7000. I shifted before at 6300. That should put me at 56323rpm now so i will be getting closer to my max of 62000rpm. I am sure i will drop some boost thru the bigger cubes, but im sure the bigger cubes will help me out. I will do a 4" crank later..way later down the road but couldnt justifie the price now when that money is my 6.0L heads. Thanks again guys for your input.
Kyle
Kyle
SSU Moderator
Joined: Nov 2001
Posts: 4,857
Likes: 0
From: Austin, TX
you never know, you may build the first really bad *** iron/blower set up. good luck to you!
oh...and I'd still look to Steve and Harlan for fuel/tuning advice.....at least do a cal'd MAF so you can pass up the 550-600rw zone...
oh...and I'd still look to Steve and Harlan for fuel/tuning advice.....at least do a cal'd MAF so you can pass up the 550-600rw zone...
TECH Addict
iTrader: (9)
Joined: Apr 2002
Posts: 2,085
Likes: 0
From: Texas, it's like your state, but better.
thanks Ryan, we'll see what a little r&d and some basic engineering will do ;D
oh and Rob, feel free to drive on down between now and saturday, it'll still be runnin ;D
oh and Rob, feel free to drive on down between now and saturday, it'll still be runnin ;D
TECH Senior Member
Joined: Nov 2001
Posts: 11,603
Likes: 0
From: Chi-Town, IL
Chris Sikora helped me get my car to the best it was ever going to do with an 8 rib, I plan on him having do all the COG stuff for me too.....after that its just fuel and dyno tuning....
Thread Starter
Joined: Aug 2002
Posts: 10,331
Likes: 1
From: San Antonio, TX
Bos weres your fuel pressure at now under full throttle?? were should it be?? Im probably going to run an inline with my intank. What is the max of 42# injecters HP wise?? My goal for now is 600 rwhp and 600tq.
Kyle
Kyle
Launching!
Joined: Oct 2003
Posts: 283
Likes: 0
From: texas
come on Nasty and Vents, you are gonna need to get that car into the nines because an "old car" will be visting soon. its gonna be mighty embarassing getting spanked by a N/A LS1. you guys shoulda kept it simple instead of all this iron block mumbo jumbo. but i will show you what a 346 can do without power-adders.
TECH Addict
Joined: Jun 2002
Posts: 2,920
Likes: 57
nasty, 42 wont do it, I make 600hp and 630 tq and I run 62 lb injectors. I would say get the FAST system like I have and prostock john, it is the easiest to tune and also the wide band helps out a lot if someting happens.