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  1. 5SPD350

    3/4 drop w/ 15x10 4.5 bs 275/60/15 will they fit?

    I'm really interested in a set of weld prostar replicas. In specific 15x10 with a 4.5 BS. Using 275/60/15 tires. Will these fit on a 3/4 drop? (Coil in front, shackle/hanger rear) Im currently running a 275/60/17 on a 17x8 wheel with 4.5 bs. I have no problems other than on my drivers side...
  2. 5SPD350

    nv3500 wont go in gear at idle

    I have a 1992 Chevy C1500. It has a carbed 350 vortec with an LT4 hotcam, an NV3500 out of a 97 C1500 with a Core shifters Hurst short throw and a 1990 454SS rear. I've gotten past the "break-in" period and finally made some WOT full power pulls. before, I was only shifting at 5,000 rpm...
  3. 5SPD350

    92 C1500 Swapping to L31 350 Vortec Coolant Bypass Question

    I'm in the midst of swapping a carbed L31 Vortec 350 into my 92 C1500. It currently has a L05 350 TBI. The L31 Long block that I have does not have the coolant bypass on the passenger side where the water pump mates up. I plan to use my stock TBI accessories, including the water pump. How...
  4. 5SPD350

    Which one would sound better, and/or have better performance?

    Doesn't sound bad idling but can't judge the sound much without some revs or wot driving.
  5. 5SPD350

    Which one would sound better, and/or have better performance?

    My exhaust is rotted out on my truck right now. I have the stock manifolds. 2.5" pipe into an H pipe (no cats), and two single chamber flowmaster knock offs like the flow 10s with it dumped right after that. Well they are so rotten that they have a fist size hole in the back of each muffler...
  6. 5SPD350

    New tires for my 17x8 wheels

    My summer tires are whipped and I need a new set. I have Summit Racing legend 5 wheels in gray/chrome and they are 17x8 with a 4.5" backspacing and say a maximum recommended tire diameter of 30" I currently have 255/60/17 General Altimax HP tires on them. They have worn decent, but the...
  7. 5SPD350

    350 TBI to Carb with Manual Transmission NV3500

    Thanks for all the info guys, I'm still going carb and not TBI but I can still apply all that info towards my build as well as other info I found. I've compiled a parts list: $500.00 Used Vortec Long Block $220.00 LT4 Hotcam $290.00 Scorpion narrow body 3/8" self aligning full roller...
  8. 5SPD350

    350 TBI to Carb with Manual Transmission NV3500

    I'm in Elkland PA. Which is like an hour or less from Elmira NY. Good to know about the timing cover, and the water bypass, balancer, and accessories. It does seem very straight forward. I mean if I wanted to just take my current motor and switch over to carb, I would just need to get a...
  9. 5SPD350

    350 TBI to Carb with Manual Transmission NV3500

    There is a guy that constantly has long block L31 5.7 vortecs for sale near williamsport PA for $500-$550 with 80,000 miles or less on them. I figured one of those, change the cam out to a higher lift/duration, cut the guides down to accept the larger lift, add some better springs like...
  10. 5SPD350

    350 TBI to Carb with Manual Transmission NV3500

    I'm thinking $2,500 or less. Considering a stock 350 Vortec rev limiter is at 5,600 or an LT1 at 5,800 rpm for example, I didn't think 400 more rpms would be that expensive but I'm not an expert by any means either though. I may be day dreaming reading the Budget Vortec builds that super...
  11. 5SPD350

    350 TBI to Carb with Manual Transmission NV3500

    While I'd love to do an LS swap, it's just not within my means at this time. The cost for the harness and tune, let alone finding someone to do the tune is the problem. I'm not interested in doing mail order tunes, and I don't think there is much in the way of tuners where I live that can do...
  12. 5SPD350

    Stock 454SS- need exhaust- want loud- what do I need to buy?

    When I had my exhaust done I first talked to him over the phone. I said I wanted the cats removed. He said no. I then said okay what If I cut it off first then bring it to you? to which he replied on second thought I can take the cat off. I think he remembered cats are worth money....
  13. 5SPD350

    What kind of mileage do you get?

    I have a 92 RCSB Silverado 350 TBI with 5 speed NV3500 and 3.08 open rear end, I have seen up to 17mpg when taking it easy.
  14. 5SPD350

    Stock 454SS- need exhaust- want loud- what do I need to buy?

    Delete the Cat, put an X pipe in it, and run Flowmaster 10's or Dynomax Race Bullets. I have stock manifolds, 2.5" duals, no cats, H pipe (but in hindsight would have done an X pipe) two single chamber flow 10's with it dumped right after the mufflers. It's definitely loud with my 350.
  15. 5SPD350

    350 TBI to Carb with Manual Transmission NV3500

    From ideas of an LS swap, to a Vortec TBI, back to an LS Swap, now I'm considering just going Carb for simplicity and cost. While looking into a steering problem on my truck recently (happens to be the steering gear and pitman arm which I'm going to replace with the sport ratio gear box), I...
  16. 5SPD350

    5 Speed gurus, your help is needed! Tranny swap, clutch questions, etc.

    So I've just picked up an NV3500 out of a 1997 Chevy C1500 4.3 V6. I'm going to be replacing my 5LM60 (older model of NV3500) with this new transmission to back my 350 TBI. I know that the NV3500 is an internal...
  17. 5SPD350

    Mild 350 TBI Build Advice/Suggestions

    The first link SCOTTYINWV definitley had a lot of good info, thanks for that. Helped me understand V.E. much better, and I now know the 620CFM TBI would work with the combo I suggested, which the entire combo basically follows the guidelines in that link. Only thing it didn't really touch on was...
  18. 5SPD350

    Mild 350 TBI Build Advice/Suggestions

    Your suggested replacement for the throttle body would be?
  19. 5SPD350

    Mild 350 TBI Build Advice/Suggestions

    My 350 TBI just turned over 172,000 miles. I think it's still got some life left on it. It just feels down on compression and oil pressure is a little low compared to a lower mileage one which I hear is common (or could be my sending unit). No knocking or anything like that, just getting a...
  20. 5SPD350

    Mild 350 TBI Build Advice/Suggestions

    Thank you for the responses! I've actually pulled most of my ideas from Brians site in particular his "LKN Speed Economouse", "Blue Whale", and "Black Magic" projects. This is who I would be getting the Chip/Fuel Pump/Spring from althought I would change the spring out for an A.F.P.R. I've also...
  21. 5SPD350

    Mild 350 TBI Build Advice/Suggestions

    I've been lurking this site, and others for a while just gathering info. I have a 92 C1500 350 TBI 5 speed, and the engine is getting a little tired. I'm mulling over ideas for a replacement. As much as I'd love to do a 5.3 or 6.0 LS swap, I really don't think I can get it done as cheap as...
  22. 5SPD350

    Chatter coming from NV3500 5 speed

    I have a 92 C1500 with a 350 TBI and NV3500 (Which I believe to be the HM290/5LM60 from the 88-92 and not the 93+ NV3500) transmission. Truck was originally an auto, swapped to manual , not by me by previous owner. I've owned the truck a little over 3 years now. The clutch has been replaced once...

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