Forum: Powertrain

we put the new fuel pump in last night.. fuel pressure reads 80 psi thinkin thats too high lol so....... anyone know 1) how much pressure the...

cam swap time is coming up and since the 5.3 has 110k on it and im there whats the best budget minded timing chain set? power goals for this motor...

so, I got the motor installed last weekend. 15k mile old LQ9 from an escalade that has been sitting up for a few years. apparently it was hurt when i...

I'm trying to figure out what length pushrods to use and I wanted some opinions on the method I'm planning to use. I figure I'll take a micrometer to...

hello all. new to this forum. i have an 05 silverado with the 5.3l engine in it. it has the dreaded cracked castech heads in it according to the...

Looking to order supplies to build my new fuel and transmission lines for my 5.3L swap in my 93 C1500. I thought about having some lines made by...

I've often wondered if this would work for someone wanting to do a cheap pressure reg. Buy a Corvette fuel filter like we usually use for a...

Well guys plain and simple im just not familiar with these new 6 speed auto trannys like the one in my new truck, like i was the 60e in my 06. does...

Got a stock crank with stock ls cracked cap rods with arp 2000 rod bolts and floating wrist pins. going to be getting stock style lq9 flat top...

Last week when I wanted to start my truck and it didn't fire up. Got a hammer hit the tank and wala it fired right up. Today it did it again and...

I'm finishing up my work truck swap and I have a question. Since I'm using a Tahoe/Blazer tank that mounts where the spare tire usually goes I have...

Does anyone know any company that has lowering coilovers for the silverados? When i try to look it up, i only come up with lift coils. I am looking...

i blew the stock g80 rear end, which really was a good setup from stock, didnt feel like paying for a posi unit so i stuck a open diff carrier in it,...

its a 4l60 with a brand new stall. when i put the trans back in and get all the bell housing bolts tight. i started on the converter bolts i can...

i was under the assumption that all 5.3's were e85 ready. is this not true? i've been running it in MY 04 5.3 and its been doing fine. little less...

anyone know where i could buy a billet or polished aluminum coolant overflow tank to replace my stock plastic one on the 03 SS?

what model 6.0 should i get lq4/9 ? and what year 4l80e shoud i get. also will i need a new pcm or tcm, can i have mine tuned ? just a few questions...

Well I am in the proses of getting my Lq9 swap on my 1989 c1500 so I was wondering what gear would be really good for highway use??

Hey All, i'm on the search for parts to rebuild my 4l60e in the RST however i cannot seem to find a dealer of the Borg Warner High energy...

ok so heres the deal im hitting 5th gear right before the end of the 1/4 mile which is more than likely affecting performance and times.i was on a...