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  1. B

    Need some cam experts.

    I’ve decided I cant help myself and I’m going to swap cams on my Weiand 177 powered 383. I feel like the current cam, a retro fit crower 238/240 .555/.559 on a 110 lsa, is just robbing power potential and I feel like with almost 20 degrees of cam overlap im getting a lot of exhaust reversion...
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    The need for traction

    I have a 95’ single cab with a built 383 and a weiand 177. Carb motor. Probably making close to 500 wheel I would guess. It’s got a 2/4 lowering kit, cal tracs and some street radial 275’s. Stock diff with a Yukon limited slip. 3.73 gears and an AR5 5 speed trans swap. Stock style shocks. I...
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    Scatter shield

    Nothing that cool! The 177 is one of there smaller blowers. Unfortunately no max rpm specs. I wish there was some info like that. Nothing available though.
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    Scatter shield

    It’s a supercharged 383 small block. Weiand 177 running 6psi. Fully forged, aluminum heads, hydraulic roller. No dyno numbers but I’d say around 475-500 at the wheels.
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    Scatter shield

    No sir. Rpm limiter is set to 6,000. I understand hp is calculated based on torque. I just don’t believe most people realize it so I just speak in HP numbers.
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    Scatter shield

    I'm making about 500rwhp. I have an AR5 transmission from Colorado swapped in using a Fabbot adapter plate. I'm very happy with the trans. I added a Core short throw shifter as well. That being said I ordrered a stage 4 clutch from Fabbot. It is rated for 750whp. So its definitely overkill but...
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    Weiand 144

    You are correct. I like that you responded with the name that you have lol. I’m curious what the stock pulley system will do?
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    Weiand 144

    I just bought a lightly used supercharger. Unfortunately it was advertised as a 177 and is in fact a 144. Currently I have a fully forged 383. 9.8:1 compression. I know, a little high for a blower but I only wanted to spin 3-5 psi. I will retard the timing and be running 93 octane. With it...
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    521Dragy

    Quick specs on the truck 95' 2wd 5 speed (AR5) transmission and a built 383. Promaxx heads, 236/240 hydraulic roller .550ish lift. Carb motor with a Holley street avenger 770. Just got a dragy unit. Found a safe road and did a couple pulls. Best E.T I could get was 14.16 at 94.56 with a very...
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    Promaxx 200 dyno before/after porting

    I’m really tempted to pull the heads (Promaxx maxx series 200) off my 385 SBC and have them professionally ported. They have CNC’d runners but I’m sure some pocket porting etc would help. How much is really the question. Anyone have some before/after results of dyno numbers when getting heads...
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    383 wet nitrous kit

    Yea, the burst disk would be installed either way. I've seen what happens when the bottle explodes! Not pretty. Probably the standard 10lb bottle. It's a single cab, though, and I don't think it would fit behind the seat? They do sell the incognito kit and the sneak pete kit but I haven't seen...
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    383 wet nitrous kit

    LOL just a bad angle in the picture then! I was joking anyways lol. How did you wire that nitrous shut off switch? Where do you keep the bottle? For some reason I don't want it to be in the bed of the truck, but I live in Texas and i'm worried about keeping it inside the truck.
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    383 wet nitrous kit

    Looks like a street truck? I also can’t decide if nitrous is stupid for a DD/street truck that sees little to no track time. I guess it’s not really different than running big turbos/supercharger on a street vehicle though. Side note - you are brave running that fuel connection right about the...
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    383 wet nitrous kit

    I have a 95 single cab 5 speed with a carbureted 383. Fully forged set up. Looking to add a small shot of nitrous. 75-125hp. I want to go with a wet kit, how do y'all set up the extra fuel side? I have never run nitrous before so it is all new to me. Currently I have just a single regulator...
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    Carb guys in here?

    I appreciate all the info. I have been tuning on carbs for a couple years now. I am by no means an expert, but I have read a couple books on them including the David Vizard version of the book above. I'll look into buying that one as well. The secondary tube mod is used on the street avenger...
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    Carb guys in here?

    I have a 95 c1500 2wd with a 28” tire running a posi with 3.73 rear gears and an AR5 5 speed swap trans. Motor is a fully built/forged 383, aluminum promaxx max 200 heads, dual plane intake, 10.6:1, Crower roller cam 236/240 .555/.559. Stout motor, gunna add a small 100 shot of nitrous at some...
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    Found a T56

    Found a smoking deal on a recently rebuilt T-56. The only problem is that it’s coming from an LS1 not an LT1. How big of a pain is it to mate the LS t-56 to an SBC with a two piece rear main? Would it just be smarter/cheaper/easier to wait and find one from an LT1? The guy only wants $1200 for...
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    383, which trans

    I've thought about this also, and even and old sm465 which can be had very cheap. But how do they fit? Different crossmember? Different/custom driveshaft? Does this shifter sit in the factory location? Has anyone done it? How would I adapt to an external slave? What clutch would I run? No...
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    383, which trans

    That shifting censor had to have been misread? Anyways, yea, I knew the NV4500 was a "dump truck" style trans, but I thought that was solely because of the granny first. I had one in a 94 K1500 about 10 years ago but I can't recall how it shifted. I loved it in that application. Felt like I...
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    383, which trans

    I have a pretty stout 383. 010 block .040 over Eagle forged rotating assembly w/ KB flat top 2 valve relief pistons +7.00cc kit number 356-10215040 Crower 00471s cam hydraulic roller (Dur @ .050” Lift: 236°/240° RR: 1.5/1.5 Gross Lift: .555”/.559” LSA: 110°) Promaxx 200 cc aluminum heads for...
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    Bolt on turbo kit?

    I have no earthly idea what makes you think a 355 isn’t a good candidate for a turbo.
  22. B

    Bolt on turbo kit?

    Does anyone sell a bolt on SBC turbo kit for our trucks? I know there are eBay options, and maybe I’m wrong, but they seem like a “one size fits most” type kits. 95 Silverado with a carb 355. Plan on running a blow through with e85
  23. B

    5.3/6.0 dyno results

    I’m deciding on either building a Holley EFI 383 or just LS swapping it with a cammed 5.3/6.0. This is going in a 95 single cab 2wd Silverado with a 28” tire. The current carb 355 put down 318hp and 323tq to the wheels. I’m only looking for dyno results of similar set ups. 2wd running a 28”...
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    Lifters bleeding down.

    It was 5w30 and I knew that was a little thin. So I switched to some castrol conventional 20w50 I had on the shelf and the noise is gone. A little thick, and maybe some 15w40 would be good next time its due. Oil pressure is always 25-40 psi at idle when hot. Damn GM sending units aren't the most...
  25. B

    Lifters bleeding down.

    Yes I did, but it's very abnormal, in my experience, that they quite back down. Usually if they are too loose at running temp (adjusted cold) than the noise is constant.

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