355 build help - 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 08-25-2009, 02:49 AM
old76c10's Avatar
all jacked up on mountain dew
 
Join Date: Aug 2009
Location: louisiana
Age: 37
Posts: 66
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
355 build help

ok here is what i have im wanting to build my old 76 c10 long bed up i have a fresh 30 over 4 bolt block stock crank and rods forged 11 to 1 trw pistons they are 11 to 1 at 64cc i have access to a set of double humps,i have a victor 4+4 intake 750 holley ,and a comp cams 292H cam kit cam,lifters,and timing set,i also have a set of long tube headers...now ive built plenty of engines just never one with this much in it i dont have it put together yet i just have all these parts so far.now i need to know what else i need parts wise and labor wise with part numbers if anyone has ang good ideas im open,id just like to use what i have and not have to buy a butt load of other stuff....i plan to get comp roller rockers,springs and push rods to go along with the cam set....it is a hyd flat tappet by the way and certain gaskets i need? also anyone got an idea of what this thing will put on the ground? backed by a th350 and 3400 stall? i still havent made my mind up on gears yet 4.11 or 4.56? thanks for any help!!!
oh yeah im ready to put this together!!!

    Advertisement
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2 (permalink)  
Old 08-25-2009, 04:21 AM
techinspector1's Avatar
Senior Curmudgeon
 
Last wiki edit: DynoSim combinations Last photo:
Join Date: Oct 2005
Location: Hemet, California, USA
Age: 72
Posts: 12,564
Wiki Edits: 326

Thanks: 697
Thanked 877 Times in 745 Posts
There must be hundreds or maybe thousands of guys that have 350 blocks and double hump heads taking up space in their garage, so this should be of interest to a few of them.

Brzezinski has said on their cylinder head site that of all the double hump 2.02"/1.60" heads they have flowed, they average the following flow figures, so I feel confident in using them on a DynoSim pull.
.100 64 57
.200 128 107
.300 173 125
.400 195 141
.500 202 141
.600 202 141

350 SBC, double hump heads, 2.02"/1.60", 11.0:1 static compression ratio, single plane intake, 750 carb, 1 5/8" long tube headers.
http://www.compcams.com/Cam_Specs/Ca...x?csid=81&sb=0
RPM HP TQ
2000 126 332
2500 166 349
3000 207 362
3500 263 395
4000 317 416
4500 362 423
5000 394 414
5500 419 400
6000 426 373
6500 419 339
Peak volumetric efficiency 92.3% @5000
Peak BMEP 174.1 @4000

Swapped to dual-plane, high-rise intake such as Edelbrock Performer RPM #7101, Edelbrock Performer RPM Air Gap #7501, Weiand Stealth #8016, Holley #300-36 or GM iron intake #14096011. These intakes are basically knock-offs of the Chevy 302 Z28 intake manifold of the late 60's. No other changes were made....

RPM HP TQ
2000 126 331
2500 161 338
3000 207 362
3500 269 404
4000 328 431
4500 384 448
5000 427 448
5500 446 426
6000 453 396
6500 435 352
Peak volumetric efficiency 102.1% @5000
Peak BMEP 193.0 @5000

Last edited by techinspector1; 08-25-2009 at 04:31 AM.
Reply With Quote Quick reply to this message
  #3 (permalink)  
Old 08-25-2009, 12:08 PM
old76c10's Avatar
all jacked up on mountain dew
 
Join Date: Aug 2009
Location: louisiana
Age: 37
Posts: 66
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
so in other words i need better flowing heads?how bout some dart iron heads with 215 runners?
Reply With Quote Quick reply to this message
  #4 (permalink)  
Old 08-25-2009, 12:23 PM
DoubleVision's Avatar
Not Considered a Senior Member
 
Last photo:
Join Date: Oct 2002
Location: Heart Of Dixie
Age: 40
Posts: 10,654
Wiki Edits: 0

Thanks: 15
Thanked 58 Times in 55 Posts
No, he was showing you the difference between a single plane intake and a dual plane comparison to power. Is this going to be a street vehicle? with 11:1 pistons you`ll be forced to use race fuel.
Reply With Quote Quick reply to this message
  #5 (permalink)  
Old 08-25-2009, 12:29 PM
old76c10's Avatar
all jacked up on mountain dew
 
Join Date: Aug 2009
Location: louisiana
Age: 37
Posts: 66
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
just a weekend truck but most weekends at the track id like to drive it there though
Reply With Quote Quick reply to this message
  #6 (permalink)  
Old 08-25-2009, 12:33 PM
old76c10's Avatar
all jacked up on mountain dew
 
Join Date: Aug 2009
Location: louisiana
Age: 37
Posts: 66
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
i just want to build a monster out of parts i have on had without having to spend a whole lot more...i do also have a performer rpm on the truck as we speak so i could use either or thinking about going all forged though so i can rev the crap out of it
Reply With Quote Quick reply to this message
  #7 (permalink)  
Old 08-25-2009, 05:20 PM
techinspector1's Avatar
Senior Curmudgeon
 
Last wiki edit: DynoSim combinations Last photo:
Join Date: Oct 2005
Location: Hemet, California, USA
Age: 72
Posts: 12,564
Wiki Edits: 326

Thanks: 697
Thanked 877 Times in 745 Posts
Quote:
Originally Posted by old76c10
...without having to spend a whole lot more...

...thinking about going all forged though so i can rev the crap out of it
I don't see how these two thoughts necessarily go together.....
Reply With Quote Quick reply to this message
  #8 (permalink)  
Old 08-25-2009, 05:54 PM
old76c10's Avatar
all jacked up on mountain dew
 
Join Date: Aug 2009
Location: louisiana
Age: 37
Posts: 66
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
well for one the pistons i have already are forged i got a deal going now on a crank and a set of rods for a pretty cheap price so i would say they go together pretty well the heads right now would be my only set back but still not out of my budget since i already have the other stuff on hand....like i say though im asking for help on this and not tryin to be a know it all because im by no means that...im looking for suggestions and i do appreciate any and all help on gettin the most bang out of it with out stroking or a bottle but that being said i might consider a bottle as well just havent put it in the plans as yet!!
Reply With Quote Quick reply to this message
  #9 (permalink)  
Old 08-25-2009, 06:21 PM
How fast is fast enough?
 
Last photo:
Join Date: Jun 2005
Location: St. Louis, MO
Age: 29
Posts: 8,673
Wiki Edits: 0

Thanks: 16
Thanked 280 Times in 261 Posts
unless its restricted to track only driving with race fuel I would step the compression down. Having to pay $6 a gallon for gas to drive on the stret is a PITA and so is finding it in many locations.
Reply With Quote Quick reply to this message
  #10 (permalink)  
Old 08-25-2009, 06:27 PM
old76c10's Avatar
all jacked up on mountain dew
 
Join Date: Aug 2009
Location: louisiana
Age: 37
Posts: 66
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
i have thought of that too we have 2 fuel supply company's right here in town that does sell it but like i say its just gonna be a weekend toy to play with i dont want to be all serious in the racing just like to go and have a good time and take the kids...good clean fun without trouble but would like to make a good showing!!!!by the way i like the signature under your name
Reply With Quote Quick reply to this message
  #11 (permalink)  
Old 08-25-2009, 07:07 PM
How fast is fast enough?
 
Last photo:
Join Date: Jun 2005
Location: St. Louis, MO
Age: 29
Posts: 8,673
Wiki Edits: 0

Thanks: 16
Thanked 280 Times in 261 Posts
TO be honest if you don't already have the cam, you can make a better street showing and stay on pump gas with a few tricks. I'll post more tomorrow, I need to get to some stuff for now.

BTW thanks for the compliment, its a question I don't think I'll ever be able to answer...
Reply With Quote Quick reply to this message
  #12 (permalink)  
Old 08-25-2009, 10:38 PM
F-BIRD'88's Avatar
Yada Yada Yada
 
Last photo:
Join Date: Oct 2005
Location: Ontario, Canada
Posts: 9,547
Wiki Edits: 0

Thanks: 3
Thanked 331 Times in 328 Posts
11:1 is a bit much. Lower the cr to a usable 10.25 to 10.5:1 for (92-94 octane) premimum pump gas.
Excessive cr for the gas octane is just a pain. Detonation really shortens the life of a engine.
If the pistons are solid dome design you can mill some or all of the dome off.
You can also open up the 64cc chambers to good effect to around 68cc.
A combination an be used to get it just right.
You must CC the heads to see what the chamber CC really is now and go from there.
You want the finished cr up there but as soon as its excessive, its a pain.
Worth the effort to get it right.
The truck is pretty heavy.

The 4.56's would be a starting point. especially with a tall tire.
You can use up to a 4000 stall 9" converter and 4.88 5.13's if you want it to be all it can be.
The truck's weight needs the gear ratio leverage and the motor will want the rpm.
Any numbers stamped on the piston top? how high is the dome?

How about making life easy on yourself and start with a 70-72cc chamber hi perf head.?

Last edited by F-BIRD'88; 08-25-2009 at 10:54 PM.
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
Help me build a 355 sbc TiMeWaRp Hotrodding Basics 15 12-21-2012 12:25 PM
355 build jgh64pkup Hotrodding Basics 19 03-20-2009 10:53 AM
CMC '34 Coupe 1992 Build ffas23 Hotrodders' Lounge 11 12-04-2008 12:32 AM
planning the 10 bolt build up elcaminodragster Transmission - Rearend 4 11-28-2008 01:04 PM
How would you build a 383? A 355? Vortec or package deal? Adrenaline_Fiend Engine 5 04-29-2003 07:58 PM


All times are GMT -6. The time now is 07:40 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.