L27 L36 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


General GM Chat When starting new posts, please specify YEAR, MAKE, MODEL, ENGINE type, and whatever modifications you have made. Chat about all things GM (and related cars). Off-topic stuff should be in the Lounge, and all Model specific mechanical problems should be posted in the proper forum.

Reply
 
 
 
Thread Tools Search this Thread
Old 06-08-2006, 02:20 AM   #1
Senior Member
Posts like a Supercharger
Thread Starter
 
Join Date: Feb 2006
Location: Muskego Wisconsin
Posts: 182
Thanks: 0
Thanked 0 Times in 0 Posts
Merrill'spontiac is on a distinguished road
Default L27 L36

What are the differences between the L27 and L36?does the L36 have tuned port injection?
Merrill'spontiac is offline   Reply With Quote
Old 06-08-2006, 02:34 AM   #2
Senior Member
Posts like a Corvette
 
Join Date: Mar 2006
Posts: 1,356
Thanks: 0
Thanked 0 Times in 0 Posts
erics95se is on a distinguished road
Default

From WIKIPEDIA..


Series I


In 1988, the 3800, also known as the LN3 designation was introduced, and these engines would later be considered the Series I, although the older 3.8 SFI (LG3)was still available that year in some models. Designated initially by VIN code C, the 3800 LN3 was a major redesign, featuring changes such as a balance shaft, on-center bore spacing, use of a 3x/18x crank-trigger system, and other improvements. This generation continued in use in several GM products, including Australian Holdens, into the 1990s. It produced 165 hp (123 kW) from 1988 through 1991. The LN3 is very closely related to the L27 and Series I L67. In fact, supercharger-related hardware can be fitted to an LN3 without changing the cylinder heads (ECM reprogramming required).

The LN3 was replaced by the L27 in 1992 and produced 170 hp (127 kW) from 1992 onward, until it was replaced by the L36 in 1995.

The supercharged version, also known as the L67 (1992-1999) appeared in 1992 on the Buick Park Avenue Ultra, the Pontiac Bonneville SSEi and supercharged versions of the Bonneville SSE, and as optional equipment in both the 1995 Buick Riviera and the 1995 Oldsmobile Delta 88 LSS.


Series II

Introduced in 1995, the Series II is quite a different engine. Although the stroke for the 3.8 L engine remained at 3.4 in (86 mm), and the bore remained at 3.8 in (97 mm), the engine architecture was vastly changed. The piston connecting rods were 1 in (25 mm) shorter, so the crankshaft was redesigned. A new intake manifold improved breathing, and a new cylinder head had larger valves. The result was 205 hp (153 kW) and 230 ft·lbff (312 N·m), better fuel economy, and 26 lb (12 kg) lighter overall weight.

The 3800 Series II was on the Ward'* 10 Best Engines list for 1995 through 1997.
L36

The L36 was the first Series II version of the 3800. It has a 96.52 mm bore and 86.36 mm stroke for 3.8 L (3791 cc) of displacement. Power is 205 hp (153 kW) and torque is 230 ft·lbff (312 N·m). It was first introduced in 1995.
erics95se is offline   Reply With Quote
Old 06-08-2006, 08:33 AM   #3
Junior Member
Posts like a Ricer Type-R
 
Join Date: Aug 2002
Posts: 10
Thanks: 0
Thanked 0 Times in 0 Posts
willwren is on a distinguished road
Default

And half of it is technically incorrect.

The LG3 and LN3 were not known as the Series1. That needs to be corrected.

The L27 is still technically based (and evolved from) on the Buick Grand National block. It has uneven port spacing just like the L67 Series1, and develops it'* torque at a lower RPM.

The Series2 (L36) was a total redesign with lighter internals for less rotating mass. It rev'* quicker, and develops it'* power at a higher rpm.

An L27 should beat an L36 off the line, but then fall back after about 60' or so.
willwren is offline   Reply With Quote
Old 06-08-2006, 02:37 PM   #4
Senior Member
Posts like a Supercharger
Thread Starter
 
Join Date: Feb 2006
Location: Muskego Wisconsin
Posts: 182
Thanks: 0
Thanked 0 Times in 0 Posts
Merrill'spontiac is on a distinguished road
Default

does the series II have tuned port injection?
Merrill'spontiac is offline   Reply With Quote
Old 06-08-2006, 02:58 PM   #5
BANNED
 
Join Date: Aug 2002
Posts: 0
Thanks: 0
Thanked 0 Times in 0 Posts
banned3800 is on a distinguished road
Default

Quote:
Originally Posted by Merrill'spontiac
does the series II have tuned port injection?
it depends on how you want to lok at it...

we could say that the 3800 II L36 was a seriously improved version...

But no it was not labeled a Tuned Port

Its just a fancy name

Also the L27 did not start in 1992.... iirc some of the regals had them in 1990 and the Buick Parks and Olds 98 had them in 91 with the body redesign

__________________
Best Car Insurance | Auto Protection Today | FREE Trade-In Quote
banned3800 is offline   Reply With Quote
Old 06-08-2006, 02:59 PM   #6
Senior Member
Certified Car Nut
 
Join Date: Oct 2002
Posts: 11,307
Thanks: 0
Thanked 0 Times in 0 Posts
bonnie94ssei is on a distinguished road
Default

It'* technically SFI.
bonnie94ssei is offline   Reply With Quote
Old 06-08-2006, 03:00 PM   #7
BANNED
 
Join Date: Aug 2002
Posts: 0
Thanks: 0
Thanked 0 Times in 0 Posts
banned3800 is on a distinguished road
Default

Quote:
Originally Posted by bonnie94ssei
It'* SFI.
Yes all of the 3800'* regaurdless of what they are labeled are all SFI

__________________
Best Car Insurance | Auto Protection Today | FREE Trade-In Quote
banned3800 is offline   Reply With Quote
Old 06-08-2006, 05:25 PM   #8
Senior Member
Posts like a Camaro
 
Join Date: Nov 2002
Posts: 857
Thanks: 0
Thanked 0 Times in 0 Posts
Bugsi is on a distinguished road
Default

Just want to point out that you (and anybody) can edit Wikipedia articles, so if we have any interest in correcting the errors, we can just do it.
Bugsi is offline   Reply With Quote
Old 06-08-2006, 07:20 PM   #9
Junior Member
Posts like a Ricer Type-R
 
Join Date: Aug 2002
Posts: 10
Thanks: 0
Thanked 0 Times in 0 Posts
willwren is on a distinguished road
Default

I have done so in the past. I would prefer the person responsible for the errors correct them.
willwren is offline   Reply With Quote
Old 06-08-2006, 08:36 PM   #10
Senior Member
Posts like a Supercharger
Thread Starter
 
Join Date: Feb 2006
Location: Muskego Wisconsin
Posts: 182
Thanks: 0
Thanked 0 Times in 0 Posts
Merrill'spontiac is on a distinguished road
Default

does the series one and series two sound different?
Merrill'spontiac is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
L27 w/L36 throttle body 91buickman Performance, Brainstorming & Tuning 8 06-27-2007 03:03 PM
L27 to L36 swap? anyone? Marik_bathory 1992-1999 9 05-17-2006 09:41 PM
L36 miles or L27 miles Steve LS Performance, Brainstorming & Tuning 26 01-04-2005 12:55 AM
Gatorback belt on a L27 or L36 OLBlueEyesBonne Performance, Brainstorming & Tuning 3 07-17-2003 11:26 PM
L27 or L36 Muslimsteel General GM Chat 16 06-10-2003 11:25 PM


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 Off
Refbacks are Off



All times are GMT -4. The time now is 05:04 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.