Engine Swaps - Page 2 - GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat

1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

Engine Swaps


Old 01-07-2007, 02:31 AM
Junior Member
Posts like a Ricer Type-R
Join Date: Aug 2002
Posts: 11
Thanks: 0
Thanked 1 Time in 1 Post
willwren is on a distinguished road

Via PM:

Originally Posted by ColorMeBadd2
Simply put," I want the better of the two engines, considering "longevity, performance and regards to maintenance".
There is no 'better' engine that can consider all those points.

Regards to maintenance? The engine you have. No bastardizing to deal with.
You can still retrieve PCM codes without a scantool.

Performance? Off the line, or freeway passing? Off the line, keep yours.

Regards to maintenance? Yours. Hands down. No bastardization.

A swap isn't a walk in the park.
willwren is offline  
Reply With Quote
Old 01-07-2007, 03:35 AM
Senior Member
True Car Nut
95naSTA's Avatar
Join Date: Feb 2003
Location: Philly
Posts: 4,508
Thanks: 0
Thanked 0 Times in 0 Posts
95naSTA is on a distinguished road

Originally Posted by Sinister
Could you, by chance, convert the SII L67 to OBD1?
Fiero guys do it all the time. And Spiral had a S2 L67 and 4t60-hd combo running off a chipped 93 pcm.
You can not run a 4t65 off OBD1 though.
95naSTA is offline  
Reply With Quote
Old 01-10-2007, 07:39 PM
Senior Member
True Car Nut
Join Date: May 2003
Location: Holt, MI & Lima, OH
Posts: 3,022
Thanks: 0
Thanked 0 Times in 0 Posts
dbtk2 is on a distinguished road

Swapping a series II in isn't really that hard. Pull the axles out of the car, undo the wiring harness and radiator hoses and fuel lines and downpipe. Pull out engine and tranny. Drop in new engine and tranny, put axles in, install new wiring harness and PCM, splice wires, radiator hoses, exhaust, and a few other things I'm sure I forgot to mention. You'll also have to add the OBDII diagnostic port under the dash in place of the OBDI port, but thats obviously not a big deal.

Its really not that hard and can easily be done in a weekend. The hardest part is splicing the wires, get FSM'* from the car your putting the engine in and the car the harness came from and you're all set.

Not saying whether you should do it or not, just that its not as hard as some people make it out to be.

Just my $.02.

dbtk2 is offline  
Reply With Quote
Related Topics
Thread Starter
Last Post
03-14-2007 08:44 AM
General GM Chat
03-09-2005 11:09 PM
04-03-2004 08:16 PM
03-25-2004 02:42 PM
General GM Chat
04-04-2003 07:36 PM

Thread Tools
Search this Thread
Quick Reply: Engine Swaps

Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

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.