Blown Chevy 292 inline six - Hot Rod Forum : Hotrodders Bulletin Board
Hotrodders.com -- Hot Rod Forum



Register FAQ Search Today's Posts Unanswered Posts Auto Escrow Insurance Auto Loans
Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Engine
User Name
Password
lost password?   |   register now

Reply
 
LinkBack Thread Tools
  #1 (permalink)  
Old 08-16-2010, 03:30 PM
QParker's Avatar
Six Offender
 
Last photo:
Join Date: Apr 2010
Location: Fairbanks, Alaska
Posts: 203
Wiki Edits: 0

Thanks: 4
Thanked 0 Times in 0 Posts
Blown Chevy 292 inline six

What do you guys think about this?

I'm building a 400HP/400Ft.Lbs. 292 inline six with around 10 pounds of boost.
Just wondering what you guys think of my setup and how you think it'll work. It's going into a '49 chevy pickup on a '94 S-10 frame with a NV3500 5 speed.It'll be a street truck with the occasional race with the rice rockets w/ souped up 4bangers.

It'll have: a homemade intake, lump ports, 1.94I/1.60E valves, homemade 1.75" headers, Ross pistons, MSD Boost Master ignition, Holley 850 cfm vac. 2nd's, and a 6-71 blower with a water/methanol injection kit from Snow Performance.
Here's my cam specs:
lift@1.7:i).500"E).510"
Adv.duration:i)272*E)280*
Cam Lift:i)294"E)300"
lobe center:115*
Duration@.050:i)224"E)230"

What do you guys think? Changes? Comments? Concerns? Questions? Something I missed?

    Advertisement
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2 (permalink)  
Old 08-16-2010, 04:09 PM
bigdog7373's Avatar
Of course it's fast
 
Last photo:
Join Date: May 2010
Location: florida
Posts: 2,673
Wiki Edits: 0

Thanks: 13
Thanked 49 Times in 49 Posts
Stock rods? AHHH! Are the main bearings going to hold up? Unless you use steel rods i don't expect this engine to last long.
Reply With Quote Quick reply to this message
  #3 (permalink)  
Old 08-16-2010, 04:20 PM
QParker's Avatar
Six Offender
 
Last photo:
Join Date: Apr 2010
Location: Fairbanks, Alaska
Posts: 203
Wiki Edits: 0

Thanks: 4
Thanked 0 Times in 0 Posts
Thanks! Knew I was missing somethin, it'll have scat H beam rods, anything else?
Reply With Quote Quick reply to this message
  #4 (permalink)  
Old 08-16-2010, 04:24 PM
bigdog7373's Avatar
Of course it's fast
 
Last photo:
Join Date: May 2010
Location: florida
Posts: 2,673
Wiki Edits: 0

Thanks: 13
Thanked 49 Times in 49 Posts
Crank, piston specs, compression?
Reply With Quote Quick reply to this message
  #5 (permalink)  
Old 08-16-2010, 04:30 PM
QParker's Avatar
Six Offender
 
Last photo:
Join Date: Apr 2010
Location: Fairbanks, Alaska
Posts: 203
Wiki Edits: 0

Thanks: 4
Thanked 0 Times in 0 Posts
Stock crank, Ross pistons, haven't talked to them yet, and 8-1 compression with 10 pounds of boost. What else... here's the rods...
http://www.summitracing.com/parts/SCA-66000206/
Reply With Quote Quick reply to this message
  #6 (permalink)  
Old 08-16-2010, 05:25 PM
bigdog7373's Avatar
Of course it's fast
 
Last photo:
Join Date: May 2010
Location: florida
Posts: 2,673
Wiki Edits: 0

Thanks: 13
Thanked 49 Times in 49 Posts
Rods look good. These engines are 2 bolt mains right? Is it possible that you could put 4 bolt splayed caps on? Can you find a forged crank anywhere? Seems kind of pointless to upgrade the rods and have a weak crank. I personally don't like having any stock parts in a forced induction engine. JMO
Reply With Quote Quick reply to this message
  #7 (permalink)  
Old 08-16-2010, 05:32 PM
SSedan64's Avatar
Registered User
 
Last photo:
Join Date: Dec 2007
Location: Macon, GA.
Age: 50
Posts: 6,016
Wiki Edits: 0

Thanks: 0
Thanked 46 Times in 46 Posts
Those Cranks aren't weak + 7 Mains.
Reply With Quote Quick reply to this message
  #8 (permalink)  
Old 08-16-2010, 06:06 PM
QParker's Avatar
Six Offender
 
Last photo:
Join Date: Apr 2010
Location: Fairbanks, Alaska
Posts: 203
Wiki Edits: 0

Thanks: 4
Thanked 0 Times in 0 Posts
they're 2 bolt mains, IDK about the splayed caps, but I know the crank is tough, Leo Santucci is putting over 1000 horse on one and so far it hasn't broke, bent, twisted, or deformed in any way... yet, so putting less than half the stress he is putting on his on mine? should be fine.
While I'm in the light, who should I get bearings and gaskets from? I don't want any cheapo stuff in this, it's gonna be built to last. no short cuts, This will pan out to be around a $3500 build...
Reply With Quote Quick reply to this message
  #9 (permalink)  
Old 08-17-2010, 05:17 AM
345 desoto's Avatar
Registered User
 
Last photo:
Join Date: Sep 2006
Location: Skaneateles, NY Summer/Port St.Lucie, FL Winter
Age: 71
Posts: 416
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
I think it's going to cost $3,500 (THEN some) for the blower set up alone...
Reply With Quote Quick reply to this message
  #10 (permalink)  
Old 08-17-2010, 09:50 AM
QParker's Avatar
Six Offender
 
Last photo:
Join Date: Apr 2010
Location: Fairbanks, Alaska
Posts: 203
Wiki Edits: 0

Thanks: 4
Thanked 0 Times in 0 Posts
That's been covered, I already have the blower, I just have to fab up a manifold to mount it on. It was rebuilt for another project, but we decided to go a different way with it.
Reply With Quote Quick reply to this message
  #11 (permalink)  
Old 08-17-2010, 10:10 AM
Member
 
Last photo:
Join Date: Aug 2010
Location: Missouri
Posts: 466
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
I would trade that blower in and get a more modern one that is a better match for your goals, or even turbocharge it. Those 6-71 blowers are terribly inefficient. For a 500hp engine a single 20G turbo with a 10cm housing would work much better and give you minimal lag.
Reply With Quote Quick reply to this message
  #12 (permalink)  
Old 08-17-2010, 10:21 AM
QParker's Avatar
Six Offender
 
Last photo:
Join Date: Apr 2010
Location: Fairbanks, Alaska
Posts: 203
Wiki Edits: 0

Thanks: 4
Thanked 0 Times in 0 Posts
turbos are cool, but you just can't beat having a big ol' blower under the hood. Especially with an inline six!
They may be inefficient, but if I get 400 ft.lbs out of a 292 who cares!

I may make a high compression N/A motor first with around 300HP, then, when that wears out go with forced induction of some kind.
Reply With Quote Quick reply to this message
  #13 (permalink)  
Old 08-17-2010, 10:36 AM
Member
 
Last photo:
Join Date: Aug 2010
Location: Missouri
Posts: 466
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Quote:
Originally Posted by QParker
turbos are cool, but you just can't beat having a big ol' blower under the hood. Especially with an inline six!
They may be inefficient, but if I get 400 ft.lbs out of a 292 who cares!

I may make a high compression N/A motor first with around 300HP, then, when that wears out go with forced induction of some kind.

A lot of people love the look of those blowers, especially when they're all shined up. I'm more into performance, but each has its following- shine for the shows and performance for racing.

You should fab up a nice 3-2-1 header system with a large side exit, that would complement the look very well.
Reply With Quote Quick reply to this message
  #14 (permalink)  
Old 08-17-2010, 10:55 AM
QParker's Avatar
Six Offender
 
Last photo:
Join Date: Apr 2010
Location: Fairbanks, Alaska
Posts: 203
Wiki Edits: 0

Thanks: 4
Thanked 0 Times in 0 Posts
I've got a 496 bigblock pushing 800 horse for my performance engine, it looks like crap, but it's really funny to idle up to a little ricer and scare them when the rev up the little 4 banger and I rev up something with more than 3 times the displacement and twice the cylinders.

but back on topic, I want to have a nice looking truck that can still haul *****, and 400 foot pounds of torque will do just that!
Reply With Quote Quick reply to this message
  #15 (permalink)  
Old 08-17-2010, 11:00 AM
Member
 
Last photo:
Join Date: Aug 2010
Location: Missouri
Posts: 466
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Some of those "ricer" engines are nothing to sneeze at. Other than displacement they are usually superior to the SBC in about every way. And when you have them running 25psi they can really surprise you.

I've done a few smaller enignes and they can actually be a lot of fun.

BTW with 292ci and 10psi I would be hoping for more than 400ftlb. That's a fairly stockish tq level. I think 500ftlb should be doable for ya!
Reply With Quote Quick reply to this message

Recent Engine posts with photos

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Hot Rod Forum : Hotrodders Bulletin Board forums, you must first register.
Please enter your desired user name (usually not your first and last name), your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Chevy 292 inline 6 oil pan kreuzn1 Engine 11 03-15-2011 02:11 AM
Chevy 292 with HEI kreuzn1 Engine 2 01-13-2010 02:22 PM
292 Chevy Inline 6 69GMC Engine 6 02-16-2003 10:31 AM
292 Chevy 69GMC Engine 3 02-13-2003 06:41 PM
Link to online engine project. Blown Intercooled 540 Chevy on Pump Gas Infomaniac Engine 4 02-09-2003 06:51 PM


All times are GMT -6. The time now is 06:39 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
Copyright Hotrodders.com 1999 - 2012. All Rights Reserved.