GM Engine & Exhaust Performance EFI | GEN I/GEN II/GEN III/GEN IV Engines |Small Block | Big Block |

Couple of 370 q's?

Thread Tools
 
Search this Thread
 
Old Oct 23, 2007 | 04:56 PM
  #11  
ranwalk's Avatar
TECH Addict
iTrader: (1)
 
Joined: Aug 2002
Posts: 2,951
Likes: 1
From: Pearl, Mississippi
Default

Originally Posted by Z06 DREAMING
what are your guys' opinions on stock crank and rods?
On a budget, nothing wrong with stock rods or crank. Stock crank can handle a TON of power. Unless you are building a stroker I wouldnt spend money on a crank. If money allows, upgrading rods would be the only thing to look at. Also, what power level are you looking at? 500-600rwhp on stock rods seems pretty common these day. Just gotta keep the tune right
Reply
Old Oct 23, 2007 | 08:53 PM
  #12  
BigKID's Avatar
TECH Veteran
20 Year Member
Liked
iTrader: (5)
 
Joined: Dec 2001
Posts: 4,947
Likes: 242
From: Panama City, Fl
Default

Is this going to be a N/A, N2O or Boost motor? If it is a N/A motor I would not hesitate to use the LQ9 rods in a rebuild as long as it isn't going to be spun to 7K+. For a nitrous or boost motor, it all depends on the levels. As Randy said, the tune has to be right. Detonation and RPM is what kills rods in N/A motors. Crank is a no brainer. I used a new stock crank on my otherwise fully forged and studded 370 boost motor.
Reply
Old Oct 23, 2007 | 09:09 PM
  #13  
dirt track racer 81's Avatar
TECH Senior Member
iTrader: (45)
 
Joined: Jun 2005
Posts: 9,439
Likes: 13
From: Hennessey, Oklahoma
Default

Originally Posted by BigKID
Is this going to be a N/A, N2O or Boost motor? If it is a N/A motor I would not hesitate to use the LQ9 rods in a rebuild as long as it isn't going to be spun to 7K+. For a nitrous or boost motor, it all depends on the levels. As Randy said, the tune has to be right. Detonation and RPM is what kills rods in N/A motors. Crank is a no brainer. I used a new stock crank on my otherwise fully forged and studded 370 boost motor.
i think for 100-125 shot the lq9 rods would be just fine..my plan if i get the pistons and rods i listed i wouldnt be scared to do a 200-225 shot
Reply
Old Oct 24, 2007 | 09:39 AM
  #14  
ZR1 DREAMING's Avatar
Thread Starter
TECH Senior Member
iTrader: (28)
 
Joined: Aug 2005
Posts: 8,277
Likes: 1
From: Ham Lake, MN
Default

It will see spray as stated in first post. Tune will not be an issue, as I have a great tuner.

My main concern here is will rods and a crank still hold their structural integrity after seeing relatively minor surface rust? Not looking to break any records with this... just be a solid runner for about a year with frequent track time on juice.
Reply
Old Oct 24, 2007 | 10:06 AM
  #15  
ranwalk's Avatar
TECH Addict
iTrader: (1)
 
Joined: Aug 2002
Posts: 2,951
Likes: 1
From: Pearl, Mississippi
Default

Originally Posted by Z06 DREAMING
It will see spray as stated in first post. Tune will not be an issue, as I have a great tuner.

My main concern here is will rods and a crank still hold their structural integrity after seeing relatively minor surface rust? Not looking to break any records with this... just be a solid runner for about a year with frequent track time on juice.
For what you are wanting to do it will be fine
Reply
Old Oct 24, 2007 | 10:06 AM
  #16  
bluecajun5.3's Avatar
11 Second Truck Club
20 Year Member
iTrader: (31)
 
Joined: Jan 2005
Posts: 5,861
Likes: 0
From: Breaux Bridge, LA
Default

surface rust on the rods itself shouldn't cause a problem. clean them real well with scotch brite pad. now rust where the bearings go and where the piston pin goes, then they will need to be reconditioned.
Reply
Old Oct 24, 2007 | 10:10 AM
  #17  
ZR1 DREAMING's Avatar
Thread Starter
TECH Senior Member
iTrader: (28)
 
Joined: Aug 2005
Posts: 8,277
Likes: 1
From: Ham Lake, MN
Default

Originally Posted by ranwalk
For what you are wanting to do it will be fine
Thanks Randy, I just wanted some positive reinforcement from y'all before I put money into a re-build.

Originally Posted by bluecajun5.3
surface rust on the rods itself shouldn't cause a problem. clean them real well with scotch brite pad. now rust where the bearings go and where the piston pin goes, then they will need to be reconditioned.
Thanks Lance, I plan on cleaning them thoroughly. I just want to be sure the strength of them hasn't been comprimised.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
AdaMax
FORCED INDUCTION
19
May 16, 2016 11:35 PM
lukn4trbl355
INTERNAL ENGINE MODIFICATIONS
7
Oct 21, 2015 11:19 PM
Infernohoe
GM Engine & Exhaust Performance
48
Oct 2, 2015 10:25 PM
The_W
GM Engine & Exhaust Performance
0
Oct 1, 2015 02:35 PM
old motorhead
FORCED INDUCTION
3
Sep 29, 2015 08:22 PM




All times are GMT -5. The time now is 08:21 PM.