cam

  1. B

    Cam and 411pcm swap

    I have a 97 k1500, l31 vortec motor, 4l60e, np243, 10 bolt 3.73 truck and I’m putting a used but less blown up motor in it here soon. Exact same motor but I’m looking to give this thing some more power and get that cam sound. I’m looking into a melling m-22280 cam right now and a set of .510...
  2. cyliuo

    5.7 Vortec performance cam help

    Hey guys, I was in the market for a cam for my 2wd 99 sierra and I was wondering what yall recommend. Im not an expert by any means and dont want to mess up and get a cam that doesnt work. Since its a 5.7 Vortec its a hydraulic roller im pretty sure, Its gonna be a little bit of a street truck...
  3. T

    Increase power and get better performance.

    Ive got a 91 350 with the TBI. Ive got a Holley 650 carb that im going to use to replace the TBI unit. Any suggestions on a intake and a cam/lifters? I want it to sound good and boost the performance. Truck still has the TBI heads but i plan on getting a set of vortec heads and some headers in...
  4. O

    Sum-8802 Cam swap issues

    I just finished up a summit 8802 cam swap with matching lifters, springs,locks,retainers. Also installed new cloyes timing set, blackbear mail in tune on my blackbox. I have no cats no egr headers and a cold air intake. I got the distributor set perfect at 1k rpm. The truck starts right up cold...
  5. O

    1997 5.7 vortec cam recommendations

    I have a 97 k1509 with the 5.7 vortec. Its a single cab short bed on 33s and has a posi rear differential. Only thing done to the motor is a Volant cold air intake and a black bear tune. Im planning on camming it with the summit 8802 and matching .550 beehive springs keeping the stock 1.5...
  6. M

    Vortec my Granddads 93 C2500

    I have come to own my Grandfather's 93 C2500. It was have reliability issues when driving it to work and back, so I've decided to over hual the motor. (I dont really know what im doing) I've heard and read on here that the vortec heads are a huge improvement so I'd like to go that route. I also...
  7. 2doortahoetoby

    Do’s and Don’ts on my Engine Rebuild

    About to start my engine in a week or so when I finish dressing the motor. I’m looking for some input on some of the modifications I’ve done before starting it. I’ve installed long tube headers, EGR delete, O2 and cat delete, along with the MPFI spider. I replaced almost every sensor I could see...
  8. 19971997

    Is this a stock L31 cam?

    I have tried searching the numbers of this cam that i pulled out of my 880 block but cant find any info on the numbers. I dont have a micrometer yet to check the lobes manually but im wondering if its an upgraded one. Funny thing is i know in 1997 they didnt have QR codes as found printed on...
  9. ralmo94

    Valve spring question

    Hey all, as the title says I have a valve spring question. Having never built a motor myself, I've worked on quite a few, mostly my own, or friends stuff.. I have a 98 l29 454. I have a GM performance parts camshaft for it. I had purchased a set of springs for the cam change, they might be a...
  10. D

    Anyone have experience with these heads?

    Anyone have any experience with these heads? Looking for a cheaper head to put on my 90 TBI to pair with a summit 1103 cam and mid length headers. They somewhat decent??? I don’t want to install them and find out my motor blows two weeks later but I’m not expecting AFR quality ether. Going to...
  11. D

    Mild 90 TBI build help

    My 90 single cab short bed is finally where I want it to be cosmetically and it’s time to start giving the motor some attention. I’m not trying to build a hot rod, if I were I’d carb swap and go nuts or 5.3 swap… just trying to not risk my life everytime I pull into traffic. It’s a 1990 350...
  12. T

    Lifter Recomendations For Cam Setup

    Hi im camming my 1996 c1500 with a 5.7 vortec i wasn't originally planning on replacing the lifters but ive got some pretty bad lifter tick and i think its a good idea to replace them while im in there with the heads off. Im looking for any recommendations ive found 2 so far some acdelco stock...
  13. U

    Good cam specs for build?

    So I had plans to do a 377 stroker but my 450r bike blew up bottom and top end and the suspension has been out for a while so I’m a bit tight on play money. Rather than doing an all out 377 build iv decided just to do a mild build on a 350. What are good can specs/can you recommend for the...
  14. T

    Cam Setup For L31 350 Vortec

    Hi im going to cam my 1996 c1500 pickup thats got a L31 in it i was wondering if anyone knew if the current valvetrain upgrades im looking at would work and to see what builds other people have done for there cam/valvetrain. (Im already swapping to an 0411 ECU to get it retuned and am wanting an...
  15. VictoryRed

    Cams

    going to be buying an aftermarket cam currently planning on getting one with these specs: Duration at .050 in. 215/223, Lift .473/.473, as well as upgraded springs My main concerns are tunability of the stock black box and having enough vacuum to use my brakes without doing hydroboost. You...
  16. ralmo94

    L29 timing gear

    Does anyone run an adjustable timing set with the stock crank sensor and timing cover? I've read a lot of threads were guys had one and when putting the cover back on it won't spin. I know a double roller is out. I'm sure anything from rock auto would fit, but no adjustable sets I've seen...
  17. S

    Good ready to install vortec heads?+cam recommendation

    Hey everyone, the summit 151124 vortec heads I originally wanted have been out of stock for some time now, says they’ll be back in stock in august and I don’t plan on waiting that long to do my head and intake swap. Does anyone have any recommendations for ready to bolt on vortec heads already...
  18. S

    Engine and car shakes bad/ misfires on the road after cam swap (CL-12-249-4) 1988 Chevy C1500 aTBI 350

    Hey everyone, I’ve made a couple posts here about my cam swap I did on my truck. Well I finally got it idling 950 rpm in park with a rough idle, 550 in gear when the truck is hardly in motion and 1000 when the truck is moving very fast down the road with my foot off the gas. Timing is set at...
  19. D

    Stock motor cam recommendations

    Hey all. I actually have a 2001 s10 but it has a 350 out of 1998 chevy so I thought I'd ask here. If it means anything I have also owned a 98 chevy truck for 17 years now. My question is I want to put a can in my engine but I know very little about cams and all that and I was looking for a cam...
  20. T

    Cam upgrade??

    Hi all! I have a 94 K1500 with a 5.7L, NV4500, 14-bolt-3.42 gear ratio, E-cab, stepside. It now has new top end gaskets and fuel pump and it runs much better than when I purchased it. I could not pass it up. I had been looking for one of these trucks for a while and when I found this one with...
  21. jbfrench

    Comp Cams L31 Tuning

    Hi everybody, I'm new to all of this. I bought my first GMT400 last year and have been working on it off and on over the course of the year. I put a Comp Cams XR258HR cam in along with new pushrods, lifters, and springs. The stock tune isn't liking the new cam. Can anyone recommend any tuning...
  22. Awest623

    Might change up the heads

    I have an l31 with a chevrolet performance 14097395 (ht383) cam & 1.6 ratio rockers. I'll be dropping the 96-98 whipple onto it soon. Looking for a recommendation on heads (preferably aluminum & complete). I'll be honest, I don't know much about heads so any advice is appreciated. Edit: I would...

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