Bud's Auto

Bud's Auto 🔥 Your plug for engines, transmissions & legit auto parts! 🔧
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Whether you're building, swapping, or racing, we got what you need.

07/21/2026

This high-performance crate package delivers instant, factory-engineered excitement. The supercharged LT4 6.2L (376 ci) Gen V V8 produces 650 hp @ 6,400 rpm and 650 lb-ft of torque @ 3,600 rpm, with a redline around 6,600 rpm. Its compact 1.7L Eaton R1740 TVS supercharger spins up to 20,000 rpm, delivering over 9 psi of boost for explosive mid-range pull and broad torque (90% of peak from ~2,500–5,400 rpm).

Paired with the robust TREMEC T56 (or Super Magnum) 6-speed manual transmission—rated for up to 700 lb-ft—the setup offers precise shifts, a double overdrive for relaxed highway cruising, and full driver engagement. The complete package includes a custom wire harness, programmed ECM, and all accessories for true plug-and-play installation in compatible swaps.

Durability: Built with forged internals, rotocast heads, and premium components, the LT4 is hand-assembled for reliability in high-output applications. With proper maintenance (premium 93-octane fuel, regular oil changes), it supports 100,000–150,000+ miles, though track use may require upgrades like the supercharger coupler.

Fuel Efficiency: Expect 13–15 mpg city and 20–21 mpg highway in typical applications—thirsty under boost but manageable with cylinder deactivation.

Best Projects: Ideal for pro-touring classics (e.g., '60s–'70s Camaro, Firebird, Nova, or C10), restomods, or custom hot rods seeking modern supercar performance with manual control. Perfect for first-gen F-body or Panther-platform sleepers.

Website::::: BudsAutoParts.Com

WhatsApp::: +1(305)525-3090

Email::::: [email protected]

07/16/2026

This complete GM 5.3L (Vortec/LS-based) engine package includes the long block, full wiring harness, pre-programmed ECM/TCM, O2 sensors, and supporting electronics—ready for straightforward installation in your project vehicle. A proven small-block V8 from GM’s legendary LS family, it delivers strong performance with excellent reliability for street, towing, or performance builds.

Performance Specs (stock, varies by generation—e.g., LM7/L59 Gen III or L84 EcoTec3 Gen V):
Horsepower: 285–355 HP @ ~5,200–5,600 RPM.
Torque: 315–383 lb-ft @ ~4,000–4,100 RPM.
RPM Range: Smooth power delivery with redline typically 5,800–6,000 RPM.
Modern variants feature Variable Valve Timing (VVT), Direct Injection, and cylinder deactivation (AFM/DFM) for optimized efficiency.

Durability: Exceptionally robust cast-iron or aluminum block designs routinely exceed 250,000–350,000+ miles with regular maintenance (quality oil changes every 5,000–7,500 miles). Simple OHV architecture and strong bottom end make it a workhorse, though later AFM systems benefit from monitoring or deletes for maximum longevity.

Fuel Efficiency: Respectable for a V8—highway figures often 18–23 MPG (2WD configurations), aided by modern tech; real-world mixed driving typically 15–20 MPG depending on vehicle weight, gearing, and tune.

Best Projects: Ideal for LS swaps into classic muscle cars (e.g., Fox-body Mustang, G-body, Chevelle), trucks (Squarebody, OBS, S10), hot rods, restomods, or daily drivers. Its compact size, abundant aftermarket support, and strong low-end torque make it perfect for reliable street performance, towing, or boosted builds pushing 400–500+ HP with bolt-ons. A cost-effective, versatile powerplant for any enthusiast project

Website::: BudsAutoParts.Com

WhatsApp:::: +1(305)525-3090

Email::: [email protected]

#5.3L engine SwapLife #5.3LS.

07/13/2026

The Gen1 Coyote (2011–2014, typically from Mustang GT) is a naturally aspirated 4.951L DOHC 32-valve aluminum V8 with Ti-VCT. It delivers 412–420 hp @ ~6,500 rpm and 390 lb-ft torque @ ~4,250 rpm, with a redline around 7,000 rpm. It offers strong mid-range pull, responsive throttle, and a thrilling V8 soundtrack.

Durability is excellent with proper maintenance (regular synthetic oil changes, cooling checks). Many exceed 150,000–200,000+ miles. Common notes include potential oil consumption/leaks or timing chain/phaser wear in neglected high-mileage examples, but the robust forged crank, aluminum block with iron sleeves, and simple design make it reliable for street and performance use.

Fuel efficiency is respectable for a V8: roughly 15–17 mpg city / 22–25 mpg highway in stock applications, aided by variable cam timing and overdrive gears in the 6R80.
The 6R80 (ZF-based) is a robust 6-speed automatic (gear ratios: 4.17, 2.34, 1.52, 1.14, 0.87, 0.69) that pairs perfectly, handles 500+ lb-ft stock, and supports smooth daily driving or towing with excellent overdrive for efficiency.

Classic Mustangs (1965–1973, Fox-body), F-100/F-150 trucks, early Broncos, kit cars (e.g., Factory Five Cobra replicas), and restomods. The plug-and-play control pack simplifies integration into vintage chassis.

Website:::: BudsAutoParts.Com

WhatsApp::: +1(305)525-3090

Email:::: [email protected]

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This freshly rebuilt GM 4L60E 4-speed automatic transmission paired with a compatible 4WD transfer case (such as NP241 o...
07/11/2026

This freshly rebuilt GM 4L60E 4-speed automatic transmission paired with a compatible 4WD transfer case (such as NP241 or similar) is a robust, electronically controlled unit ideal for street, towing, and light off-road use. Stock versions handle approximately 350-360 lb-ft of torque and engines up to ~400 HP, with a maximum shift speed around 6,000 RPM. A quality performance rebuild—featuring upgraded 3-4 clutch packs (7-9 plates), hardened input shaft, reinforced sun shell, 5-pinion planetaries, high-performance servos, and valve body upgrades—boosts capacity to 450-600+ HP and 450-550+ lb-ft reliably.
Key specs include gear ratios of 3.059 (1st), 1.625 (2nd), 1.00 (3rd), and 0.696 overdrive (4th) for strong launches and efficient highway cruising with lower RPMs. The aluminum case keeps weight around 150-175 lbs wet, and proper maintenance (fluid/filter changes every 30k-50k miles) supports 150,000+ miles of durability in rebuilt form.

Durability shines with upgrades addressing common weak points (3-4 clutches, input shaft, sun shell), making it far more reliable than stock for modified applications. The 4WD setup excels in trucks and SUVs for traction in varied conditions.

Best project cars include LS-swapped classics like Chevy Camaro/Firebird (F-body), C10 trucks, El Camino, Jeep conversions (with adapters), Silverado/Sierra builds, or Tahoe/Suburban restomods. Its compact size, overdrive, and affordability make it a popular choice for budget-friendly performance and 4WD swaps.

Website:::: BudsAutoParts.Com

WhatsApp:::: +1(305)525-3090

Email:::: [email protected]

The Chrysler 68RFE is a robust 6-speed automatic transmission (with double overdrive) engineered for heavy-duty Ram 2500...
07/10/2026

The Chrysler 68RFE is a robust 6-speed automatic transmission (with double overdrive) engineered for heavy-duty Ram 2500/3500 trucks paired with the 6.7L Cummins diesel. This rebuilt 4WD unit, complete with the matching transfer case (typically BW44-46), delivers smooth, adaptive shifting optimized for towing and daily driving.
Performance Specs (stock/rebuilt context):
Horsepower: Stock ~350-400 HP; built versions reliably handle 500-700+ HP with upgrades like billet shafts, enhanced clutches, and triple-disc converters.
Torque: Up to 1,000 lb-ft in tuned applications.
RPM Range: Shifts efficiently in the Cummins sweet spot (1,800-3,200 RPM), with lockup in gears 2-6 for strong low-end pull and highway efficiency. Gear ratios (1st: 3.23, 6th: 0.63) provide excellent torque multiplication and cruising.

Durability: Rebuilt units address common weak points (overdrive clutches, torque converter, input shaft) with upgraded components for superior heat management and longevity. Expect strong service life with regular ATF+4 changes (every 25-60k miles severe duty), making it ideal for towing up to its GCWR limits.

Best Project Vehicles: Perfect for Ram Cummins swaps, 4WD rat rods, diesel muscle cars (e.g., classic trucks or Jeeps with Cummins conversions), or custom heavy-haulers. Its compact design and electronic controls suit performance builds seeking reliability without going full competition. A proven workhorse for tuned street/strip or towing rigs.

Website:::: BudsAutoParts.Com

WhatsApp::::+1(305)525-3090

Email::: [email protected]

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07/09/2026

The legendary GM LS1 5.7L (346 ci) aluminum V8 delivers robust performance with stock ratings of 345-350 horsepower at 5,600 rpm and 350-365 lb-ft of torque at 4,400 rpm (higher in some applications or with minor mods). It revs smoothly to a redline around 6,000-6,200 rpm, offering a broad, responsive powerband ideal for street and performance driving.

Paired with the reliable 4L60E 2WD automatic transmission (electronically controlled, overdrive 4th gear ~0.70 ratio), this setup provides smooth shifts, excellent drivability, and lock-up torque converter for efficiency. The included wire harness, programmed ECM/TCM computer, and accessories ensure plug-and-play installation.

Durability: The LS1’s aluminum block, strong internals, and six-bolt mains make it highly reliable for daily use and moderate boosts (stock 4L60E handles ~400-450 hp reliably with proper maintenance; upgraded versions support much more). Regular fluid/filter changes are key for longevity.

Fuel Efficiency: Expect 18-22 mpg highway and 14-17 mpg city in a typical vehicle, aided by the overdrive and lock-up.

The Perfect for classic muscle car/restomod swaps (e.g., 1960s-80s Chevelles, Camaros, C10 trucks), hot rods, pro-touring builds, or budget LS conversions. Lightweight, powerful, and affordable, this combo excels in street/strip applications with great throttle response and modern reliability. Ideal for enthusiasts seeking big power potential with minimal hassle.

Website::: BudsAutoParts.Com

WhatsApp::: +1(305)525-3090

Email::: [email protected]

Newly Rebuilt 4L60E 2WD Automatic Transmission is a robust, electronically controlled 4-speed overdrive unit (RPO M30) f...
07/09/2026

Newly Rebuilt 4L60E 2WD Automatic Transmission is a robust, electronically controlled 4-speed overdrive unit (RPO M30) from GM's popular longitudinal family, widely used in rear-wheel-drive cars and trucks from the mid-1990s to early 2000s.

Key Specs:
Gear ratios are 3.059:1 (1st), 1.625:1 (2nd), 1.00:1 (3rd), 0.696:1 (4th), and 2.294:1 (Reverse), providing strong launches and efficient highway cruising with lock-up torque converter. It weighs about 155-175 lbs dry/with fluid, measures ~21.9 inches long, and features a lightweight die-cast aluminum case. Stock rating is around 350 lb-ft torque (up to ~360 lb-ft in later variants) and roughly 300 HP, with max shift speeds around 6,000 RPM and GVWR up to 8,600 lbs.

Durability & Rebuilds:
A quality rebuild (with upgrades like reinforced input drum, hardened shafts, 5-pinion planetaries, upgraded clutches/bands, and Sonnax components) significantly boosts capability to 450-700+ HP and 400-600+ lb-ft, depending on the build level. Properly maintained with fluid/filter changes every 30k-50k miles (or more frequently under hard use), it offers excellent longevity for street, strip, and towing. Common weak points (3-4 clutches, sun shell) are addressed in performance rebuilds for reliable shifts and heat management.

This 2WD 4L60E shines in LS swaps and restomods. Popular choices include classic Chevy muscle cars (Camaro, Chevelle, Nova, Malibu), C10 trucks, hot rods, Pro Touring builds, and 4th-gen F-bodies. It's a favorite for budget-friendly overdrive conversions in older GM vehicles seeking modern drivability, strong acceleration, and highway efficiency.

Ideal for enthusiasts wanting a tunable, reliable automatic that balances performance and economy—pair it with a standalone controller for optimal results.

Website::: BudsAutoParts.Com

WhatsApp::: +1(305)525-3090

Email:::: [email protected]

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07/06/2026

This high-performance powertrain pairs Ford’s renowned Gen2 Coyote 5.0L DOHC V8 with a robust Tremec T56 6-speed manual transmission, complete with accessories, clutch, flywheel, bellhousing, hydraulics, and a plug-and-play wiring harness/ECU setup for straightforward installation.
Performance Specs
The Gen2 Coyote delivers 435 horsepower @ 6,500 RPM and 400 lb-ft of torque @ 4,250 RPM in Mustang GT trim (slightly lower in trucks), with a redline of 7,500 RPM. It features revised cylinder heads, larger valves, improved camshafts, and Ti-VCT for strong mid-range pull and high-RPM excitement. The T56 (or Magnum variant) easily handles 700+ HP, offering close-ratio gearing for quick acceleration and relaxed highway cruising (0.63 overdrive in 6th).
Durability & Efficiency
The aluminum-block Coyote is exceptionally durable, with a robust bottom end capable of 800+ HP in boosted applications on stock internals. Proven reliability exceeds 100,000–200,000+ miles with proper maintenance. Fuel efficiency shines for a V8 expect 18–22 mpg city and 24–28+ mpg highway in lighter vehicles, thanks to efficient direct/port injection and variable valve timing.
Ideal Projects
This combo excels in classic Mustang swaps (Fox Body, SN95, New Edge), hot rods, restomods, kit cars, or custom trucks like early F-100s. The plug-and-play nature and T56’s versatility make it perfect for street/strip builds that demand modern power, crisp shifts, and everyday drivability while retaining that iconic Coyote howl.
Ready to transform your project into a reliable, exhilarating performer. Total package weight and compact dimensions ease fitment in a wide range of chassis.

Website::: BudsAutoParts.Com

WhatsApp ::: +1(305)525-3090

Email:::: [email protected]

Unleash raw performance with this complete TR-6060 Tremec Magnum 6-speed manual transmission package, featuring the clut...
07/05/2026

Unleash raw performance with this complete TR-6060 Tremec Magnum 6-speed manual transmission package, featuring the clutch assembly, driveshaft, and essential accessories all ready on the pallet. Engineered from the proven TR-6060 platform (OEM in high-end Corvettes, Camaros, and Vipers), the Magnum delivers 700 lb-ft of torque capacity nearly double many older 5- and 6-speeds while supporting engine speeds up to 7,800 RPM.
Built with wider gears, triple-cone synchronizers (1st-4th), reinforced shafts, bearings, and a robust case, it offers lightning-crisp shifts and legendary durability for street, strip, or road-course abuse. Double-overdrive gearing (options like 2.66 or 2.97 first gear) optimizes highway cruising and fuel efficiency without sacrificing acceleration. Real-world builds prove it thrives behind 900+ HP applications with proper supporting mods.
Perfect engine projects: LS/LT V8 swaps (LS3, LSA, LT1/LT4), Ford Coyote or Modular, Gen-III Hemi, or big-block builds. Ideal for pro-touring classics, restomods, drag cars, or high-power muscle bolt-in kits make it a dream for Camaro, Mustang, Challenger, or custom chassis.
This isn't just a transmission it's your ticket to reliable, high-RPM power delivery that outlasts the competition. Complete setup shows include flywheel/clutch options and driveshaft for easy installation. Don't settle for less. Grab this Magnum and dominate the road or track.

Website::: BudsAutoParts.Com

WhatsApp::: +1(305)525-3090

Email:::: [email protected]

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07/02/2026

This high-performance powertrain combines the legendary GM LSA 6.2L supercharged V8 with the robust Tremec T56 6-speed manual transmission, complete with wiring harness, programmed ECU/computer, and electronic gas pedal assembly for a near plug-and-play swap.
The LSA features a cast-aluminum block, 9.1:1 compression, and a Roots-type 1.9L Eaton supercharger delivering instant boost. Stock output ranges from 556 hp (CTS-V) to 580 hp (Camaro ZL1) at around 6,100-6,300 rpm, with 551-556 lb-ft of torque peaking at ~3,800-4,200 rpm. It redlines at 6,200 rpm and thrives on premium fuel. Real-world tuned examples often exceed 600+ hp.
The T56 offers precise shifts, a deep first gear for launches, and overdrive for highway cruising. It's a proven choice for LS/LSA swaps due to its strength (handles 450-600+ lb-ft stock, more with upgrades) and wide aftermarket support.
Fuel efficiency: Expect 14-18 MPG combined in a moderate build (lower in aggressive driving; highway can reach low 20s with careful tuning). The supercharger and power reduce the economy compared to naturally aspirated LS engines.

Best project cars for this setup include Fox-body/ SN95 Mustangs, third/fourth-gen Camaros/Firebirds, C10/S10 trucks, classic GM muscle (Chevelle, Nova), older Corvettes, and imports like 240SX or RX-7 for high-power rear-drive swaps. The complete harness/ECU/pedal makes integration straightforward in custom builds.
This package delivers exhilarating supercharged performance with manual control, ideal for street/strip project vehicles seeking big power and driving engagement.

Website::: BudsAutoParts.Com

WhatsApp::: +1+1(305)525-3090

Email:::: [email protected]

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Miami, FL

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