There are some things to note that are different in Fiero V6 engines. Apart from the trim levels of each vehicle and different transmissions, OEM parts that were originally installed are likely near failure. Solid advice to someone who is just price searching while collecting information about used 2. Without some form of coverage, out of pocket expenses will be required if a motor block fails.
Not many mechanics can fix up a motor if a supply of original manufactured components are unavailable. It is not difficult to find a good sale price once auction companies are eliminated from the equation. When a sticker price does include a warranty and free freight delivery, that is when a deal is a deal in the engine industry. Every sale priced motor for Fiero or other vehicles with the Pontiac nameplate are priced using the warehouse inventory location tool here at GotEngines.
Posted in Pontiac engines No Comments ». You must be logged in to post a comment. Home About Blog Warranty Contact. These look identical to the B-body LT1 but are actually L99 4. Besides the casting numbers on the block, the easiest way to tell these apart from the ci LT1's are to examine the VIN number of the vehicle.
The 8th VIN digit denotes engine type. All ci LT1's got vin designation "P" while the L99 4. So be sure as to what engine you are buying before you fork over the money.
With that aside, lets get down to the nuts and bolts of the LT1. The LT1 has a unique "reverse-flow" cooling system. This means that the block and heads are cast differently to route coolant from the water pump to the cylinder heads first, then to the block, then back out to the pump. This means that a conventional SBC water pump will not work. Furthermore, the coolant does not pass to the intake manifold like earlier SBC's.
The factory water pump on the LT1 is mechanically driven off the cam gear via a special splined shaft that protrudes out of the top of the timing cover.
The secondary ignition distributor is located directly under the water pump which means that it has to stick further out from the block unlike earlier SBC's. This can present a serious problem when trying to use this engine in a vehicle that does not have the width to accommodate it. Most aftermarket kits that are available for installing an LT1 into a Fiero have you utilize the stock Fiero transmission.
While this is possible when using the stock Fiero transmissions, it is not possible when using the 4TE. The reason why is because the 4TE has more bulk on the left side of the vehicle which means that you can only move it 1.
Use of these stock pieces would mean that the right side of the Fiero body chassis would have to be totally removed and there would be no room for satisfactory structural reinforcement after the engine is installed because of the proximity of right side suspension components.
While it might be possible to add some material in this location, I think that enough could not be added to ensure enough strength for protection against crash dynamics and stresses that could be introduced in that area of the car. In my swap, I had a stock B-body LT1 to work with. If you have higher resolution pictures, I would be more than happy to replace the smaller ones. MAN, I want to do this swap I wish I knew more about web design and could do that kind of stuff.
I tried to do something like that but gave up after I realized that I just didn't have the knowledge. It is in my sig, but I should remove it for it is very poor quality and incomplete I do have allot more pictures Many high resolution.
I have a whole roll that I never even developed I will have to send them to you. A garage probably is needed, but as far as welding I didn't trust mine either.
I just tacked the parts that needed welding together and then took them to a local shop. I did work as a metal fabricator for about six months when I first got out of high school, but I mainly did design, cutting, and forming.
Not too much welding. I agree about the six speed, or just a taller fifth That is a great swap and you are a smart man!!! Great swap! Whats your regulator PSI? I'm building a SC and using custom fuel rails and have a 50 PSI regulator with almost the same setup as that. One line feeding it. I think the brand of my regulator is a mallory. Feel free to link to that webpage in your signature.
Click here to visit the donation page View all sponsors. Email This Page to Someone! Oct 2nd, USA Registered: Jan Report this Post PM. LS1swap posts Member since Jan I have had many inquiries on my LS1 swap that it has been hard keeping up. Not true LOL. So I am going to start a thread here going through all the individual parts in detail. IP: Logged.
I will start with the adapter plate. The cradle modification, and engine mounts The cradle needs to be modified for the LS1 the pan is just too wide to fit. On a side note I tried to approximate what the final design of the rear mount looks like I am no artist LOL. Front mount I used the stock clamshell motor mounts that came with my engine.
Rear mount The rear mount is a little more tricky. The frame modification A small portion of the frame needs to be cut out on the passenger side. Starter set up The starter was one of the harder hurdles to overcome. Just a thought I have no idea which way is better. Oct 3rd, Report this Post AM. The Axles The axles are stock length. The Intake The intake is pretty straight forward. Oil pressure sender I used the stock oil pressure sender from the Fiero.
Water and oil temps The PCM uses the stock sender for its reading. Water pump I used a remote pump by meziere. As far as the wiring that all depends on which year PCM you buy so it would do little good to go into that. Nashco posts Member since Dec Awesome details! Bryce 88 GT. Orville posts Member since Dec Again Allen, Great job, wonderful documentation.
Thanks for the details. Posts: From: Where you least expect me Registered: Jun Will posts Member since Jun I've heard that Archie did one LS1 swap.
Oct 4th, I have heard Archie is working on the swap I would love to see a kit made for the LS1. Oct 5th, BlkBird posts Member since Sep Oct 6th, By a couple of emails I see there is one area I did not go into enough detail on.
Oct 13th, GTFiero1 posts Member since Sep Oct 14th, I don't have much to say, just wanted to compliment you again on the fantastic documentation! Yea the exhaust does kind of give the sleeper away LOL I get strange looks at stop light. Oct 25th, Nov 5th, I was asked again Great job on the documentation and pics! Nov 12th, Feb 9th, I am not sure if it the phases or the moon or what but I have gotten allot of questions on my swap lately.
May 14th, Jun 11th, AgaricX posts Member since Aug Since this is the swap I will eventually end up doing Lord and Checkbook willing Wow I am impressed. You get up to about 75 and you want to shift again but there is no where to shift to LOL. Jun 12th, Posts: From: Chambersburg P.
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