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Description
750CFM Ultra XP Carburetor - 0-80803BKXOverview: Xtreme Performance Holley Ultra XP carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs, have fuel capacity that is 20% greater and 30 other new features! They're available in our all new Hard Core Gray hard coat anodized finish with Black billet for improved corrosion protection. They're also available in natural tumble polished aluminum with your choice of Black or Red metering blocks and base plate. The
Overview:
Xtreme Performance - Holley Ultra XP™ carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs, have fuel capacity that is 20% greater and 30 other new features! They're available in our all-new Hard Core Gray™ hard coat anodized finish with Black™ billet for improved corrosion protection. They're also available in natural tumble-polished aluminum with your choice of Black™ or Red™ metering blocks and base plate. The Aluminum Ultra XP comes in 600, 650, 750, 850, and True 950-CFM. Holley Ultra XP carburetors offer new features such as an integrated idle bypass valve that allows for idle adjustments while maintaining the correct throttle plate to transfer slot relationship, high capacity fuel bowls which feature 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other features include all aluminum construction, fully tunable billet metering blocks, billet base plate, adjustable secondary linkage and knurled (hand adjustable) curb idle screws. Holley Ultra XP carburetors are the ultimate in square bore race carburetors!
Features:
- Aluminum Construction (saves 4.5 lbs - 38% weight savings)
- Shiny with black anodized billet aluminum metering blocks and base plate
- Designed for use on Drag race, circle track, or any high horsepower engines
- Contoured venturri inlet offers balanced airflow for increased horsepower
- Air bleeds moved outward to allow a smoother transition of airflow from the top of the carburetor into the venturii
- Metering blocks feature improved durability, true gasket sealing and fully adjustable (emulsion bleeds, power valve channel restrictors & idle feed restrictors)
- Integrated idle bypass valve eliminates the need for holes in throttle plates and allows for proper adjustment of idle while maintaining correct throttle plate to transfer slot relationship. Helps maintain good idle control when using radical camshafts.
- Dual 30cc accelerator pumps provide the perfect amount of fuel from idle to full throttle
- Fuel bowls provide 20% more fuel capacity while controlling slosh with internal baffling
- Clear sight windows on both sides of bowls for easy and safe fuel level adjustments
- Built in drain plug in front center of bowl provides easy access to empty contents of bowl
- 8AN (o-ringed) inlet threads offer a large variety of plumbing options and can be plumbed from either side
- 4 corner idle allows you to precisely control your idle system
- Mechanical Secondaries for perfect off the line launches
- Elongated (dual pattern) mounting holes allow fitment on intakes with square flange (Holley 4150™ style) or large flange (Holley Dominator® style)
- Knurled (hand adjustable) primary and secondary curb idle screws allow for easy idle adjustment without the use of tools
- Primary throttle shaft capped to prevent entry of debris & contaminates
- Factory machined accessory mounting hole for easy addition of adjustable primary throttle stop. New secondary pump cam lever designed to provide positive throttle stop on secondary side
- Stainless steel adjustable secondary link. Provides choice of 1:1 or progressivesecondary throttle actuation for ultimate control of secondary opening rate
- Baseplate designed with a boss that can be consumer machined for vacuum source
- Includes notched float and jet extensions
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| Universal |
Specs:
| Barrels | 4 |
|---|---|
| Billet Color | Shiny with Black Billet |
| Booster | Down Leg |
| Brand | Holley |
| Carburetor Use | Professional Race |
| CFM | 750 |
| Choke | None |
| Circuit | 2 |
| Condition | New |
| Emission Code | 3 |
| Finish | Shiny |
| Fuel | Gasoline |
| Fuel Inlet | Dual |
| Marine Use | No |
| Material | Aluminum |
| Model | 4150 |
| Primary Main Jet | 76 |
| Primary Power Valve | 6.5 |
| Primary Pump Nozzle Size | 32 |
| Product Type | Ultra XP Carburetor |
| Secondaries | Mechanical |
| Secondary Main Jet | 76 |
| Secondary Pump Nozzle Size | 32 |
| Supercharged Application | No |
| Throttle Bore | 1.688 inch |
| Venturii Size | 1.376 inch |
| Warning | California Proposition 65 |
| Warranty | Limited 90 Day |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 4
Easy reading, needs an edit pass
Format: Kindle
Bottom Line Up Front: good enough to buy sequels.
The premise of the story is set up well, pacing is overall decent (coincidentally, about real-time with the reader). The characters are simple, boiling down to one property for personality, one for motivation, and one for looks. However, they play believably against each other and there's no feeling of railroading (except one place, more on that later).
The chapter prefaces offer a nice world building method unconstrained by the first person exclusive story itself. On the other hand... Tell me the book was written during Trump-era mask mandates without saying "The book was written during Trump-era mask mandates".
Those references, while amusing now, will be dead in a few years (unlike the reference to SpaceBattles which is eternal).
Speaking of: The book could use a professional editor to fix things like "gravity thingamaBALL" being two pages later called a "gravity thingamaGRENADE" and described as a cylinder, easy to tie to. Clearly the author changed the shape for convenience but forgot to change the earlier mention (also, metal cylinders slip out of nooses. If you write an ACME 10-ton weight, shape it like a weight and be done with it ;). There were other similar niggles that I forgot now, and I saw no major plotholes... But remember: SpaceBattles forum feedback does not an editor equal.
Overall, nice way to spend sick days with 40 C fever.
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Reviewed in the United States on March 15, 2023
★★★★★ 5
Just from the beginning, I'm hyped
Format: Kindle
Just from reading the first few chapters, I'm excited. I hate having to deduct stars for non-story related issues, but this formatting is really hard to read. This is much easier to read on Neovel. I started reading it there after Amazon had recommended this book to me. I had no idea we had a web-novel to (light?-)novel pipeline in English! After the first few chapters, I bought the book here to support the author, but trying to read it is a very poor experience. The spacing and sometimes fonts are wrong and make it really hard to read, which is odd because the formatting is great on Neovel. It's almost like it was copied over into ebook using a poorly written tool that didn't properly convert various tags. The primary issue is a lack of indentation on paragraphs. There's also that the AI speaks in italics, but sometimes the italics are missing. Some edits have been made from the web novel, though they seem mostly spelling fixes. The character's point totals are significantly different in Chapter 26 of the web novel vs this book. I haven't re-read the ebook from the beginning though, so I don't know why there's such a difference. I'm not sure which one is better to read, though for some reason the author never put volumes 2 and 3 on Amazon so you'll need to read them over there anyway.
Update: As a huge fan of the series, I raised my star rating even though I still stand by the formatting issues. It's not fair to have that tarnish the content rating though. Also, of course, future volumes have continued to be published since then.
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Reviewed in the United States on July 1, 2022
★★★★★ 5
it’s a very fun story
Format: Kindle
It’s got it’s issues but overall it’s fast paced, fun to read and some great lines from a snarky AI with a sense of humor
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Reviewed in the United States on December 26, 2024
★★★★★ 5
What a Great Ride
Format: Kindle
This book was a fun ride from start to finish. While not fully LitRPG, but sorta' LitRPG light based on the system that's set up, the world building makes sense and fits the story very well.
The real shining star was the character development. I felt like I knew the characters after a few lines and as the story developed, casual comments helped build a deeper web of interrelationships.
Also loved the blurbs at the start of the chapters - thought they really added to the world building and backstory in a fun way.
Can't wait to read more about Cat!
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Reviewed in the United States on September 3, 2021
★★★★★ 5
Wonderful
Format: Kindle
This was everything I was hoping for and more. Great world building, awesome characters and a mythology that just left you wanting more. Little snippets at the start of each chapter that hints at the history of the world at large while also slightly framing the content of that chapter? Spot on. My one issue, and I believe others have pointed it out, is the fact that the text is grey and not white, which can make it harder to read when you’re, say, outside. But that’s a formatting thing and has no bearing on the contents. I’ll be waiting in line to get the sequel as soon as it appears! Oh, since Amazon can be iffy about it, the LGBTQ+ tag is accurate!
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Reviewed in the United States on June 28, 2021