The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 06-03-2015, 09:02 AM   #1
beowulf197
Registered User
 
Join Date: May 2015
Location: Clyo Georgia
Posts: 11
Motor swap

What's the best fitting engine for a 1971 Chevy c10, I want some more power behind it but don't want to spend a small fortune in doing so just need some advice
Posted via Mobile Device
beowulf197 is offline   Reply With Quote
Old 06-03-2015, 09:27 AM   #2
Sklptrljay
Registered User
 
Sklptrljay's Avatar
 
Join Date: Apr 2012
Location: Stillwater, Oklahoma
Posts: 874
Re: Motor swap

Well, without knowing what you have now I'm just making assumptions. The possibilities are endless, it just depends on how much you want to spend. But, just some general guidelines would be:

1) Stock crate 350 would be just fine.

2) You can spend a little extra on heads, headers, carb, intake etc... and make some good power in the 350.

3) After that, you're looking at a stroker 383.

4) The next step would be a big block.
__________________
1971 C/10 SWB, 15x8 Rallys, 4.5" X 7" static drop, C-notched, 350/350, 3.73 Posi. .........A 383 and Gear Vendors are on my bucket list.

1972 GMC 4X4 K1500 Survivor - Sold

No matter what problems life throws at you, your time on Earth can be incredibly fulfilling and rewarding.....if you just lower your expectations. -Phil Dunphy
Sklptrljay is offline   Reply With Quote
Old 06-03-2015, 09:38 AM   #3
beowulf197
Registered User
 
Join Date: May 2015
Location: Clyo Georgia
Posts: 11
Re: Motor swap

Right now I have a 305, would it be cheaper just to buy the block and all accessories separate and put it together myself or just buy the complete motor as is?
Posted via Mobile Device
beowulf197 is offline   Reply With Quote
Old 06-03-2015, 12:24 PM   #4
Fitz
Account Suspended
 
Join Date: Jan 2007
Location: Tucson
Posts: 2,183
Re: Motor swap

Quote:
Originally Posted by beowulf197 View Post
What's the best fitting engine for a 1971 Chevy c10, I want some more power behind it but don't want to spend a small fortune in doing so just need some advice
Posted via Mobile Device
What's the best fitting engine? Foolish child. The biggest engine you can afford, of course!
Attached Images
 
Fitz is offline   Reply With Quote
Old 06-03-2015, 12:54 PM   #5
DarkFlounder
Registered User
 
Join Date: Nov 2014
Location: Austin, TX
Posts: 281
Re: Motor swap

Quote:
Originally Posted by Fitz View Post
What's the best fitting engine? Foolish child. The biggest engine you can afford, of course!
Show off.
__________________
72 K2500 Sierra Longbed Wideside 350/TH350/NP205
66 Plymouth Barracuda 225 Slant6
DarkFlounder is offline   Reply With Quote
Old 06-03-2015, 01:03 PM   #6
Hartje
Registered User
 
Hartje's Avatar
 
Join Date: Mar 2015
Location: Denver, CO
Posts: 46
Re: Motor swap

No replacement for displacement, cubic inches or cubic dollars... yada yada....
as mentioned 383 stroker best bang for the buck without doubt.
Hartje is offline   Reply With Quote
Old 06-03-2015, 01:09 PM   #7
jessemthompson
Registered User
 
Join Date: Nov 2011
Location: Williamsburg, VA
Posts: 960
Re: Motor swap

An LS fits nicely
jessemthompson is offline   Reply With Quote
Old 06-03-2015, 05:36 PM   #8
boynton
Registered User
 
boynton's Avatar
 
Join Date: Feb 2012
Location: Salado, Texas
Posts: 1,418
Re: Motor swap

Quote:
Originally Posted by beowulf197 View Post
Right now I have a 305, would it be cheaper just to buy the block and all accessories separate and put it together myself or just buy the complete motor as is?
Posted via Mobile Device
Anything but a 305 would work...If I am not mistaken all of your original accessories should fit on a 350/383 if you want to save some money there (shiny aluminum pulleys look much cooler and cut down on your rotating mass but aren't necessary) you should really look at what it is going to cost sitting in the truck running when making your budget. try to find someone you can sit down (that has engine building experience) price out all of your parts will really help you stay in budget. It is really easy to let an engine build become twice what you originally wanted it to be.

another good thing to consider is what you are going to be doing with the truck-daily driver-show truck-weekend cruiser-drag truck. there is a great engine for each of these applications, but many do not economically cross over.

Best of luck.

Quote:
Originally Posted by Fitz View Post
What's the best fitting engine? Foolish child. The biggest engine you can afford, of course!
Hilarious and a great choice.

Quote:
Originally Posted by jessemthompson View Post
An LS fits nicely
I am in this boat. I love LS motors. Lots of power, reliable and decent gas mileage.
__________________
Just trying to figure this out...
1970 SWB Step-Side
http://67-72chevytrucks.com/vboard/s...d.php?t=552980 1970 LWB
http://67-72chevytrucks.com/vboard/s...d.php?t=584499
1970 SWB One Owner Step Side 6.0 LY6/6L90
http://67-72chevytrucks.com/vboard/s...d.php?t=617630 Junkyard's 1971 short wide
http://67-72chevytrucks.com/vboard/s...86#post7531186
boynton is offline   Reply With Quote
Old 06-03-2015, 09:14 PM   #9
Fitz
Account Suspended
 
Join Date: Jan 2007
Location: Tucson
Posts: 2,183
Re: Motor swap

Quote:
Originally Posted by DarkFlounder View Post
Show off.
Guilty as charged, your honor! I am a show off, but you can bet your sweet bippy any truck with that monster big block under the hood is gonna be a whole lot more fun than one with a 305!
Fitz is offline   Reply With Quote
Old 06-04-2015, 12:07 AM   #10
beowulf197
Registered User
 
Join Date: May 2015
Location: Clyo Georgia
Posts: 11
Quote:
Originally Posted by Fitz View Post
Guilty as charged, your honor! I am a show off, but you can bet your sweet bippy any truck with that monster big block under the hood is gonna be a whole lot more fun than one with a 305!
Well I plan to put an LS motor in it just picking between 5.3 and 6.0 at the moment my buddy kinda talked me into it lol. The stock motor was a 305 not what I planned on swapping in it. But I understand where you are coming from just don't have the capital just yet to afford a big block
Posted via Mobile Device
beowulf197 is offline   Reply With Quote
Old 06-04-2015, 09:20 AM   #11
Fitz
Account Suspended
 
Join Date: Jan 2007
Location: Tucson
Posts: 2,183
Re: Motor swap

Quote:
Originally Posted by beowulf197 View Post
Well I plan to put an LS motor in it just picking between 5.3 and 6.0 at the moment my buddy kinda talked me into it lol.
Posted via Mobile Device
The best choice is the one that fits your budget. An LS is a great choice that you won't regret. Good power, great economy and everyone has parts!
Fitz is offline   Reply With Quote
Old 06-04-2015, 09:57 AM   #12
truckster
Senior Member
 
truckster's Avatar
 
Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,954
Re: Motor swap

Quote:
Originally Posted by beowulf197 View Post
Well I plan to put an LS motor in it just picking between 5.3 and 6.0 at the moment my buddy kinda talked me into it lol. The stock motor was a 305 not what I planned on swapping in it. But I understand where you are coming from just don't have the capital just yet to afford a big block
Posted via Mobile Device
If you're after a big block and you have a choice between the 5.3 and 6.0, go with the 6.0. You probably won't want a big block after that.

As far as external physical size, a 5.3 or 6.0 are going to be the same. It's the internal displacement that's different.
truckster is offline   Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not 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

Forum Jump


All times are GMT -4. The time now is 05:14 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com