1986 complete truck 454 into 1970 chevelle - LS1TECH

Log In 


Small Block & Big Block Chevy Specific Mouse & Rat Motor Discussion & Conversions

1986 complete truck 454 into 1970 chevelle

Reply
 
Thread Tools Search this Thread
Old 06-13-2012, 06:55 PM   #1
On The Tree
Thread Starter
iTrader: (7)
 
kingd_202's Avatar
 
Join Date: Jan 2010
Location: Keller, Texas
Posts: 153
Default 1986 complete truck 454 into 1970 chevelle

Hey everyone, I have a complete 454 from oil pan to carb to a turbo 400 out of a 1986 suburban. My plan is to install the motor and trans temporally till I have enough to go the route i have dreamed about. My question is will the complete 454 with accessories and brackets out of the truck work in my chevelle? Will the oil pan also work?
kingd_202 is offline   Reply With Quote
Old 06-14-2012, 06:59 AM   #2
TECH Resident
iTrader: (4)
 
cambirdracing's Avatar
 
Join Date: Jun 2009
Location: League City Texas
Posts: 865
Default

Not sure about the oil pan, but everything else should work. The Chevelle has a ton of room under the hood.
cambirdracing is offline   Reply With Quote
Old 06-19-2012, 08:35 PM   #3
Teching In
iTrader: (1)
 
Join Date: Jun 2012
Location: Dawson, OK
Posts: 16
Default

Score a car oil pan and pick-up tube/oil pump. She will drop right in with the Chevelle motor mounts. Little close on the power brake booster and AC box if you use tall valve covers. You will need to have the drive shaft cut, I would cut the one out of the Suburban if it is a one piece (no carrier bearing). Chevelle transmission cross member and frame are drilled for the TH400.
Bar50 is offline   Reply With Quote
Old 07-04-2012, 11:54 PM   #4
Staging Lane
 
MackTruck49's Avatar
 
Join Date: May 2012
Location: rochester, ny
Posts: 53
Default

just got a 68 chevelle and i think the 454 came out of a truck thats in it now...but its been turned into a 468 and has about 700hp
MackTruck49 is offline   Reply With Quote
Old 07-08-2012, 02:03 PM   #5
12 Second Club
 
Join Date: Jul 2012
Posts: 115
Default

Quote:
Originally Posted by kingd_202
Hey everyone, I have a complete 454 from oil pan to carb to a turbo 400 out of a 1986 suburban. My plan is to install the motor and trans temporally till I have enough to go the route i have dreamed about. My question is will the complete 454 with accessories and brackets out of the truck work in my chevelle? Will the oil pan also work?
my suggestion is build up the compression before you drop the motor in. these motors only made about 230 hp and the crank and have about 8:1 compression


Posted from LS1Tech.com App for Android
jhobbins is offline   Reply With Quote
Old 07-08-2012, 05:18 PM   #6
Teching In
iTrader: (1)
 
Join Date: Jun 2012
Location: Dawson, OK
Posts: 16
Default

Easiest way for a compression bump is to swap heads, horsepower will come from a cam, the truck 454 is designed to be torque happy at or below 4500 RPM. Vortec 7400 heads came out in the 90's to pump up the low compression 454 motors for the 454 SS trucks. They are a throw back to 65-66 396 98cc closed chambered heads witth full size oval ports. Another route is to have your heads angle milled to drop the chambers to 100-110cc. Don't worry, new 450 HP 454 crate motors only have 8.75-1 compression.


Some light, budget BBC reading:
http://www.superchevy.com/technical/...d/viewall.html

I would use big oval ports with big valves over the heads in this article, personally....

Last edited by Bar50; 07-08-2012 at 05:50 PM. Reason: Added link
Bar50 is offline   Reply With Quote
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
1986 454 BBC RV engine 4-bolt main? dm91266 Small Block & Big Block Chevy Specific 5 01-05-2015 03:35 PM
Lsx 454 oil pan hsvgtsr Generation IV Internal Engine 2 03-13-2013 06:32 PM
iron 454 question HAte Generation IV Internal Engine 22 04-04-2012 11:14 AM
Another oil pan help question. 99VetteFRC Conversions & Hybrids 18 02-12-2012 06:51 PM
86 Elcamino LS1 Swap G body.....which oil pan has best ground clearance???? LQ9CHEVELLE Conversions & Hybrids 8 02-27-2009 08:49 PM


Tags
1970, 1986, 454, chevelle, clearance, complete, driveshafts, engine, fit, hey, leon, oil, pan, radiator, san, suburban, texas, truck

Thread Tools Search this Thread
Search this Thread:

Advanced Search

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
Trackbacks are Off
Pingbacks are On
Refbacks are Off



All times are GMT -5. The time now is 10:31 AM.