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I do not have the heater core in place but I did put hoses on the ports with a 3/8" bypass between them. I did notice the hoses and bypass warming as the engine warmed up.
I also noticed the steam...

Very interesting! So this really peaks my curiosity. How does the bypass work? Does the flow/pressure created by the water pump cause the thermostat bypass spring to compress and allow coolant to...

I read the engine temp off the ECU via a laptop through the OBD.
I also have a Dakota Digital dash setup with a temp sensor located at the top of the radiator, this sensor never registered a...

I've installed a used LS2 (2005 GTO) in my 57 2dr hardtop. I installed a new water pump and thermostat prior to installation and initial engine run in the vehicle.
Upon startup, I was hoping to top...

Hi C-Nut,

I just purchased a set of 99 Eldorado buckets and am interested in buying one of your mounting kits if you have any in stock, I'll contact you through your website.

Also looking for...

I installed the Holley pan on my LS2, if fit and looked great. The pan cleared the stock steering linkage and did not sit below the frame. I am very satisfied with the Holley solution.

Stripping my 57 2 dr hardtop down for paint prep and find there is some rust under the tabs for the door hinge captive nuts. Looks like a guy would pretty much destroy the nut bending the tabs open...

Sorry to hear about Mark, I spoke with him many times on my LS swap and he's why I decided to do business with them in the beginning. I agree, he was a really good guy and an wealth of information....

On Cnut's advice I purchased engine mounts from Street and Performance. I thought these mounts located the engine perfectly with just enough clearance to the firewall. You'll need the LS adapter...

Hey Geoff, thanks for the info. I did place an order last week with CPP for the Holley pan, really glad to hear about the quality and fit up. Would love to see pic's if you got 'em.

Yeah, I meant Street and Performance for S&P.
I originally bought the pan S&P casts and machines in-house (at least that's what they told me). However the machinine was horrendous on the gasketed...

I am looking for recomendation of an LS2 oil pan for my 57 two door hardtop. I am will be using the stock frame and steering linkage with S&P engine mounts.
I ordered an S&P oil pan and was very...

Take a look at what Street and Performance has on their website and give Mark Campbell a call over there. They have done hundreds of LS swaps and are very knowledgeable on Tri-Fives as well.
Mark...

Hello All,

Just recently purchased a bone stock 57 2dr hardtop and also just today received an LS2 with T56 tranny.

There are so many suppliers for Tri-Five to LS engine conversions, my head is...