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I just noticed how loud my pumps are today after I got out from ripping around for a while. I run a fore level 1 return style fuel system with dual walbro 255s. They were practically screaming when I was letting the car cool down in the driveway. They do make noise when I first start the car up...

just have a quick question about fuel pressure for guys with a return style fuel system. I have mine set at about 29-31 at idle. with the vaccuum line off the regulator it bumps up to 39ish psi is this the correct way to have it set at? what does everyone else have it set at?

I'm currently having problems with the boost getting to where it should be. It's making around 13.5ish should be 15-15.5 I have a 2.6 Kb with a 3.50 pulley 3x 100mm idlers, 2.6 alt pulley (mechman) stock crank and stock tensioner which is near notched out. There's no aux. Got a 0755 gates hd...

So a little history first, I'm in the process of breaking my engine in. It was dyno tuned right after installing the new motor, some would say it's already broke in. But Iv been taking it easy on it anyways giving it some boost here and there. Anyways, I had the tr6s in it and it was doing the...

I am chasing an alignment issue still and a few people have brought up that my blower pulley looks pressed in too far? My question is how can the blower pulley be pressed in to far? how does it happen?

Hey guys, Before winter i was having some troubles with my afr readings. Before i parked it this winter it usually was reading 12-12.5 or a tad higher on WOT pulls. I had it tuned not very long ago, and confirmed with the tuner that everything read nicely off the dyno, as for my gauge i cant...

My alternator is a bit off alignment and has been chewing belts caused by it walking to far to the engine. Before I go through this hassle of trying to figure out how to align it properly does anyone have any experience or advice on this? I was thinking of throwing a washer on the alt shaft...

iv been currently having belt issues, keep shredding them apart i believe its my alt pully alignment. So when i pulled it off today i kind of destroyed my currently pully taking it off the alt. Now im looking for replacement and was thinking of going with the 3.2 i do run a stock lower tho and i...

So Iv been playing with my belt which is a dayco btw trying to stop the chirping everyway possible which was a fail. Luckily my new gatorback came in today and stopped the chirping.. Gatorback ftw! Anyways to my question... When I was going through checking all my pullies to see if that was...

Before anyone says anything I do realize there's a zillion threads. But however I wanna bring this more to date. I just went through 2 alts in 2 weeks oem gave out at 9000 miles then had it rebuilt which lasted 4 days. I'm going to give a eBay 160 a go and aware that they are hit and misses. But...

Been noticing my belt chirping away after I replaced my stock alt with a rebuild. While they were rebuilding I had them swap the 2.8 alt pully with a 3.0. As that was the only size I could get my hands on quickly. Now the belt only chirps on startup and goes away when it's warmed up. I have a...

Well like the title my h/e hose popped off and leaked a fair bit of coolant until I got it back on again. (clamp must have been loose) there's just a tiny bit of coolant left in the intercooler reservoir now.. So the question now is how full should I fill it and also will I have to burp the h/e...

Just started to notice my battery light... It comes on whenever I get on the car with any load and then turns off when I let off. Anyone have this problem before is it battery or alternator related? It Only comes on under load...

Hey guys, just trying to reach out to people who've had new motors.. Did you guys use a break in tune and if so how much power were you making during the process, did you're tuner tune it down a noticeable amount? My cobra is almost finished except a fuel issue they are having right around...

hey, was wondering when it comes to boost how much is too much? What's the most you've pushed, and how much would you recommend pushing at most on pump fuel before going into e85/race fuels?

Iv seen a lot of cool custom plates lately which made me wonder how many of you had put you're own letters/numbers down on a plate. If you can a picture would be ideal if not just tell us what you did!

So i think iv finally come to a decision with what i wanna do with my car and its the 298ci pro series stroker build by livernois. Iv thought long and hard about a reman and decided against it has my current motor has less than 9000 miles on it that i figure that my heads should be fine to reuse...

I spoke with a shop and talked about them doing a rebuild for me. I decided to try and stay local with it cause i dont wanna deal with shops across the country. Anyways i threw out some ideas at them on what i wanted to do. Pistons/rings/bearings/pins i wanna stay at stock compression as my car...

I was wondering bout the gap on the spark plugs. I know if the gap is to big you can experience blow out. Iv also seen a lot of guys saying they gap theirs at 0.32. Now my question is whats the difference from that to 0.26 or 0.18 why do some people gap lower than others?

Some of you may know im in the market for a new motor. Originally i kind of had planned to go with the reman, but with reading about some horror stories about them lately, honestly im scared. Iv had some pretty bad luck with my cobra since iv got it and i really need to make this work. ( its my...

So iv seen a couple posts of guys with remans go bad. Im just looking to know details. Like was it you're error, lean condition, bad break in period, manufacture? Im looking to purchase one soon... i know lots of you have had great luck and are extremely happy with them and well most are...

Hey guys, was just wondering who all out there is running a 2.6 KB? What kind of pully set up you running and the outcome. Iv been looking at maybe getting a bigger pully, any suggestions on where i could pick one up?? I currently run a 3 upper 6# lower. 19 psi. Tuner suggested i should go with...

Well unfortunately I have 2 leaking cylinders ruled by a leak test. The cobra is putting down 600whp originally on pump fuel. ( the car actually put down 470 whp on 6 cylinders. It was on the dyno when we found out the bad news. ) anyways its modded 2.6 kenne bell 19 psi, return fuel system with...

So iv had non stop issues with my cobra since iv bought it. So iv decided to rebuild. She has nearly everything besides a built motor. 2.6 kenne bell w/ 3.0 & 2.8 uppers 6 lb lower around 19 psi on the 3. Return fuel system 60lb injectors ect... It ran around 600 whp. I'm not really looking...

So iv had non stop issues with my cobra since iv bought it. So iv decided to rebuild. She has nearly everything besides a built motor. 2.6 kenne bell w/ 3.0 & 2.8 uppers 6 lb lower around 19 psi on the 3. Return fuel system 60lb injectors ect... It ran around 600 whp. I'm not really looking to...