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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

    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

    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

    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 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 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?

    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
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    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.

    I have a 355 with a Lunati bare bones cam with the lifters that came in the kit. Cam makes more power than the Comp XE268 that I had in it prior, but the lifters seem to bleed down while driving. Starting up they sound great, I drive on the highway about 25 miles to work, and when I get there...
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    Tremec TKO 600

    Anyone done the swap? What’s all involved?
  15. B

    Anyone running a 2wd 355 that has dyno?

    Anyone have a 355 running in a 2wd that’s been on a chassis dyno? Curious on dyno numbers at the rear wheels.

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