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I am needing the prop shaft for my Sy now that the 4l80e conversion is complete but SportMachines is "retooling" and they are not making any for 6 to 8 weeks. Does anyone have a performance 80e shaft they want to sell? I will be in the neighborhood of 600hp so it needs to be stout/strong. Lmk...

I know there are some out there but they want so much $$ for the billet rails and I was hoping someone here had a set they want to part with. Also want to but a set of sheet metal valve covers for my Vortec heads. Lmk plz @ Boosted6@Rocketmail.com

WTB sheet metal valve covers for my 4.3 Sy. Also needing a set of fuel rails if anyone has any. Cash in hand. Please contact me directly as I don't get on here very often. Boosted6@Rocketmail.com Glenn

Can someone please confirm that the factory exhaust manifolds will bolt directly to a set of Vortec heads without modification? I know about the intake/head mod, just not sure about exhaust...

I just took the plunge on my 4l80e! I found a 2002 4L80e from a 4x4 GM truck with 120k miles on it. The tranny runs and drives perfect, comes with everything including the aluminum dust cover and converter all for a whopping $300. I am no longer going to be needing my freshly built 700R4 if...

I am needing one of the 32 spline input shafts (like the Mark Williams units that were sold a while back) to convert my transfer case to accept the 4L80e transmission output shaft. I have cash in hand and ready to buy, please let me know if you have one. Email is best: Boosted6@Rocketmail.com

I searched the forums and although I'm quite sure the topic has been covered several thousands of times, can someone please tell me where I can get a prop shaft for my 4L80 conversion? Maybe a link or web address? Thanks

I have been gently persuaded and strongly suggested that I swap out my freshly built 700R4 transmission BEFORE I grenade the tranny to a pile of useless parts. My build will be in the 500+hp range and from what everyone is telling me, the stock 700 and converter will never last with that kind of...

I am doing a build on my 4.3 as we speak with the target horsepower of around 500. I have a fresh build on my 700R4 with a 3000 Coan stall (both new) but I am afraid I'm on borrowed time with this tranny. I figure I may as well make the conversion now to give myself piece of mind later. I can...

Anyone have one or better yet, a set?

I'm sure the likelihood of someone on here having one they wanna sell is slim to none, but I figured its worth a try. I really don't want to pony-up and pay the $300 to $400 for a new one, so I was hoping someone had one they never installed before their truck was sold, or maybe you removed all...

I'm sure this topic has been discussed in the past, but I could not find any recent info so I figured we could discuss here. I understand that the oil, the brand, the viscosity, etc, all effect how a vehicle performs, but I am interested in specifically the Sy/Ty with their complex drivetrain...

I have made the decision to finally build my stock (and rather tired) 4.3 and would like to call on you all for some solid opinions based on personal knowledge and/or experience. I know I am not the first person to build one of these trucks so I am hoping I can learn from your own experience's...

My Sy is seeping coolant from the intercooler cap. The rubber seal looks pretty old and dry rotted so off to the parts store I went. Needless to say, no one seems to have a clue as to what I'm talking about and those who do, have no part number to reference. Can someone here please tell me what...

Does anyone have a OEM fog light switch they want to sell? It doesn't need to be new and/or flawless, but it does need to function. Please PM me if you have one. Thx P.S., I also would like a stock OEM stereo (head unit). The truck currently has an aftermarket flip screen and I want to go back...

I am looking to buy a Kenne Bell cold air intake. Does anyone have one they are willing to sell? I really like how well you can hear the turbo spool inside the truck! Please send me a message if you have one. Thx ya'll

This is my truck that caught fire (read my other post). I have since fixed the harness and she is up and running like a champ. I was planning on doing a LSX swap in the truck but after crunching number, reality set in!! I have already collected several mayor LSX swap parts (turbo headers...

I decided to keep my Syclone it original 4.3L rather than doing the 5.3 LS1 swap I had been planning. I have already collected parts (turbo headers, modified oil pan, motor mounts, etc) that I am now having to sell. I tried listing the parts in the correct forum on this site, but I received a...

My console cover is broken off its plastic hinge and the vinyl is starting to "peel" off the outer edges, looking like crap. Does anyone know where I can get a new replacement cover for mine? Thx

I just picked up a Typhoon!!! YEAH!! The vehicle was bumped in a parking lot in the back, most of the impact was at the rear roll pan cladding and the corner of the drivers side rear wrap around cladding. The rear roll pan cladding is still in good enough shape where it can be scuffed and...