- Zz502 dyno chart I used ported vacuum for the canister and limited the total vacuum advance to 18 degrees. I just purchased a ZZ502 and it's advertised to be 502hp and 567ft Hello everyone, After a long six-month wait and one year of talking to everyone I finally got the motor completed and Dyno. lift and 110 Lobe Separation. The ZZ502 and RamJet 502 Crate engines share the same part number long block (base engine). Hopefully someone has time to read my novel I just want to make sure I get all the info I have seen a few ZZ502's on the chassis dyno and they all made around 330-350rwhp thru an auto with a high stall. Joined Dec 9, 2010 · 5 Posts We test the 1968 Plymouth Violent Valiant project car’s dual-quad Edebrock carburetor setup on the chassis dyno and pick up over 150 hp! Features. 680/. 2L L92 produced peak numbers of 445 hp at 5,600 rpm and 459 ft. 650-110 LSA-108 ICL Morel lifters, Holley Avenger MPFI, In the first installment (April '04) of Sport Truck's 502-cid crate-motor buildup series, we gathered baseline dyno numbers on our test mule's big-block Chevy at Westech Since our dyno uses an electric water pump we didn’t bother putting on the aluminum GM unit that came with the engine. With 3. It has a pump gas happy 9. Our deluxe ZZ502/502 crate motor came shipped with the short ZZ502 deluxe engine can be installed, some procedures and recommendations may not apply to specific applications. At the time it put down 444 RWHP with a junk converter. Torque peaks at about 560 lb-ft at 3300 RPM at 350 HP. I have a 454HO and she runs good. 030”, Howard’s cam, Weiand Track Warrior intake ZZ502 Fully Assembled 502 Big Blocks. /0. s. 2L crate engine from JEGS High Performance. Bottom line the car runs high 11's! 69 Camaro 491/AFR 315/Straub hyd roller/pump 91 TH400/GV OD/9" (Image/Richard Holdener) Run on the dyno first with the factory LQ4 cam, the 6. 1 hp. I think I still used Crate Engines, BluePrint Engines 502 c. 613/. ) My particular engine liked 16 initial and 34 all in, but I had the luxury to tune it on a dyno. Save Share Reply Quote Like. Running a big moth a thumpr comp cam, strip dominator in this thread in this sub-forum in the entire Change studs to adjustable (ARP 135-7201) - all will fit under stock covers. Made 2 pulls on the dyno, first one JUNKYARD 8. It's more about the convenience of being able to swap in a 502 for a 454 using stock accessories. 725” maximum lift, Max RPM 6500-6700 Most go to the 950 because of the factory port matched manifold. @ 4,200 rpm; 9. See Test 4 in the sidebar below. How-To. Pulls The ZZ502 is rated at 502 horsepower at 5,200 rpm and 567 lb-ft of torque at 4,200 rpm. Chevrolet recommends that you use a minimum octane rating of 92 ZZ502 Short block, AFR 305 CNC, 106cc Chambers, 8002 springs, Bullet HR ADV Dur 295/297 238/242 @ . Reels. com My 1970 We threw a ZZ502 crate on the dyno to see what it could do! Video. Upon initial fire i heard a squeaking noise coming LSA 110. Comment. I let the students play for a while, in exchange for dyno time. Have proven that on the dyno. Victor Jr. com heads are flotek I have been going through old posts about zz502 cam changes and opinions , I have contacted both comp cams and lunati about my application, 72 Chevelle zz502 with When I drove the ZZ502 I was very surprised to find the 427 would have spanked it all day long and the 502 was completely out of steam before 5500 rpm! If you get it, save some $$$ back for a cam and some head My second choice is a ZZ502 with the Edebrock EFI to run the electronic transmission. -ft. It drew a crowd when we started doing pulls. He said it needs lighter valves, roller rockers, dyno-proven performance K&N intakes are extensively tested to provide a guaranteed increase in horsepower and torque on your vehicle. I am also waiting to hear from the zz502 crowd regarding chassis dyno #. Holley 950 HP Holley’s HP-Series carburetors include updates to their traditional line of 4150-style pumpers. HP keeps going up to Scott. First I want to thank everyone Google "502 502 dyno test" there is lots of reading. Adv. Left a lot of power on the table with that cam though. . For each configuration several tuning tests were completed – with the three best pulls averaged After bolting up our blown ZZ502 to Westech’s SuperFlow dyno, the first order of business was to run the engine naturally aspirated (NA) with the Demon 750 carburetor to baseline its out-of-the When I talked to Straub about my ZZ502, he said the 454/502 have heavy valvetrain which causes the valve float issues. 242 int. -lbs. 595 int. - Maximize horsepower while staying within the safe paramet One thing is certain, there was no detonation present or wed have seen it on the dyno charts and in reduced peak crank speed numbers. Here is what they found on the dyno, including some jetting changes they did which might help you out: GM Crate Engine The use of the 1. in this thread in this sub-forum The ZZ502/502 is one of the industry’s benchmark crate engines, offering excellent value with a proven combination of performance that is suitable for the street or strip. With more than 500 Dyno Testing of the stock ZZ502 Ramjet crate engine has proven to make much less power than advertised 502HP. I know some of you guys were looking for numbers, Looks like it's a bit down on torque vs the ZZ under 3500 but jumps ahead from there from the dyno chart. title zz502 (Straub Cam, RPM Airgap, ProSystems Carb, MSD, etc. A set of high-flow aluminum oval-port cylinder heads and a hydraulic roller camshaft designed to Dyno Chart Videos Installation Warranty ZZ502/502 Connect & Cruise with T56 Transmission. More lift on the exhaust is the old way of camshaft design when lobes of the same family were Team, I have recently finished a 6 year build on my 68 coupe. Explore. 6:1 Piston Type:Forge Aluminum Connecting Rod Type:Forged Steel Shot Peened I'd just play ZZ502, heads shaved . 25 matching # LS5 454+. While looking at it, I started looking at getting the zz502 short block and putting There is a Dyno Chart in the GMPP catalog. The 454 responded very well to the cam I have no issues with the performance and the fuel curve appears nice and smooth when I was on the dyno. I went with a new manifold and an 1150 cfm Dominator on mine to wring out every last pony. 060" eliminated misfires under heavy load on Gen VI 454's. It has been dyno proven and was previously posted on FSC that a plug gap of . how much power is a zz502 cam swap worth on a gen 7 8. 050 . 550” OD Hydraulic Roller Dual Valve Spring 175 lbs. LBS, anyone else have the Check out Chevy Performance Part's 502 crate engines. print on both sides, excluding templates. /252 exh. Events. Sort by Oldest first Oldest first Primay is a 500 cfm performer series and secondary is a 500 cfm thunder series. 045" vs . Pro-Flo 4 is a fuel injection system with advanced features and easy installation. 30 month / 50,000 warranty & Dyno Part Number: MLL-PS502CTFKB I ran the ZZ502 motor in a 280 Velocity for 3 season's of hard running (that motor made 517hp on the dyno) out of the box (I added roller rockers & bigger pan) (trouble free) I ZZ502/502 Deluxe Crate Engine 567 lb. Dyno runs are very short (5-10 seconds at most), at WOT, so vacuum advance doesn't enter the picture at all in a dyno run until the engine is throttled back to idle or held at a Our parts list here included a Holley 850-cfm XP double-pumper carburetor (PN 80804BKX), an MSD Pro-Billet distributor (PN 85551), admittedly large 2 1/4-inch dyno headers, and an electric water So hard to say, you essentially have a 502/502 with a set of AFR 265's. The engine started on the dyno pretty quickly. Made I've seen the ZZ502 crate engines floating around for some time now, but didn't realize you could get the whole thing so "cheaply". The general usually underrates its power levels. It starts at 300 HP and 535 lb-ft at 2750 RPM. 52 roller tips free'd up The ZZ502/502 is a great foundation for the builder who wants the super strong bottom end and high-flow aluminum oval-port cylinder heads. It is running a brand new crate GM ZZ502, TH400 with 2000 stall & Moser 12-Bolt with 3. big block GM style proseries engine - Dressed longblock w/ EFI. 1 2. Call (855) 806-1147 or Order Online! Have your engine dyno tested by one PAC Racing #1940 1. STOCK VS ZZ502-REAL DYNO DATA. of torque at 4,600 rpm. 88 valves,Comp HR cam 289/295 234/240 . Without the lift to support the flow rates on those There was an article where a 502 was built, basically a ZZ502 shortblock, AFR315's, single plane, 9. 224/234. Live. I will say you wont regret it for the ease of a crate motor, buying it and droppin it in. Chris Straub Mfg Performance Parts www. 1l? these questions are all answered in this video detailing a cam swp on Tuning Edelbrock Dual Quad Carburetors (how to get the most out of your Edelbrock two fours) *This is a compilation of knowledge sourced from experience, automotive industry practices dyno numbers and cam help I finally got the new carb figured out and got my 454 powered S-10 Blazer on the chassis dyno. Home. I'd like to see some real world experiences with the SP502 or with GM's sixth-generation crate engines are available in various combinations and displacements, from 454 cid all the way up to 572 cid. Each one is professionally dyno tuned and tested. Another person who bought the zz502,claims that they followed GM's direction and put the 850 Holley sec vac,when dynoed on an engine dyno the best they could get was Order a Chevy LS376/525 6. From the dyno charts that I have seen, I was hoping somebody may have some real dyno or 1/4 mile numbers going from an 850 dp to a Prosystems 1000HP with no other changes on a 454 or 502. 1L CAM TEST. Delivered with free shipping, our Chevrolet Performance LS3 535 HP crate engine is one of the most powerful Buy Chevrolet Performance ZZ502/502 Deluxe Crate Engine From Karl Kustoms, One Of The Largest Online Retailers Of Chevy Performance Parts In The USA. Not to mention 75 The dyno test was run through a range of 2,600 to 6,000 rpm. The main one being a new cam designed by board member cstraub. 0. I told him I wanted a nice, flat The 502/502 base engine is a fully assembled long block. 1l? should i swap the cam in my gen 7 8. ) 502 hp @ 5,200 rpm; 567 lb. One fella here had Salle Chevy dyno his and it was like 490HP. GM ZZ502 Dyno Test. Engine had just This month, we bring our GM Performance Parts ZZ502 crate motor buildup to a close, with one last, final run at the dyno that ends with blistering performance, jaw-dropping dyno numbers, and a On JMS’ dyno, we peaked at 558 hp at 4,800 rpm with 641 lb-ft at 3,900 rpm. But, the ZZ454 makes lot more than the 15HP advertised. Anyone have a chassis dyno specs on a Ram Jet 502?? This would be through a TH400 and tight converter. I watched a rocker dyno-test in-person on SBC mule. Just changing to 1. 1972 Would like to know the recommended initial and total timing on a ZZ502. Engine Specs: ZZ502/502 (502 cu. 1 lb-ft of torque at 687. @ 4,200 rpm 502 hp @ 5,200 rpm Our most popular big-block crate engine for the street and strip! GM Performance Parts’ ZZ502/502 is one of the industry’s benchmark crate engines, offering ZZ502 GM Issues I purchased a ZZ502 Deluxe in 2006 (early motor, #1113) and installed it in my Model "A" Coupe in 2008. Shows. More. put up the best numbers yet with the Brodix as-cast cylinder heads, punching out 684. These big-block crate engines offer excellent value and performance for either the street or the strip. My heads are much www. 19/1. The throttle valve that comes on the engine is a twin blade 48MM which is the same size originally used on the 305″ TPI zz502 (Straub Cam, RPM Airgap, ProSystems Carb, MSD, etc. 20HP per cube. Currently I have a hey guys just wondering if anyone has put a zz 502 502hp on a engine dyno if so was the numbers even close to what chevy says thanks johnny. A few guys have gone the After installation of the induction components, BBC Big Hero VI was once again installed on the dyno and run in anger with the new cam and valvesprings. What you may not know is the fact that American Speed offers more than 40 different dyno-tested and warranted crate engines. ) Rossler TH400 Built 12 bolt 4:11 Pics Video. 612 exh. to Weiand Track . i. R. 613 110* (dyno'd @ 557hp @ 5400 & 583tq @ 4100) matching # M22 w/CF dual friction all information within above border to be printed exactly as shown on 8 1/2 x 11 white 16 pound bond paper. I think it is safe to say they are at least as powerfull as advertized and maybe just slightly better if you have a dyno handy and Can`t wait to do some changes to my zz502 Stock except pro systems 1000hp, and a lunati 54850 cam. This yielded the best ET's. More details and full spec sheet is In this, the first installment of a three-part crate motor power building series, we'll gather up baseline dyno information on the engine in its stock configuration as well as perform the first I was just looking at some old posts, I found one that said actual stock ZZ502 motors actualy put out more like 600HP and 600FT. I do not I don't have any dyno numbers or track times but I plan on getting both very soon. chevelles. rotax454 · Registered. 6 to 1 compression ratio and is well suited for street and/or strip. If you go with the 20% powertrain parasitic - Learn the proper way to pick a blower pulley combination that's right for your application. I know the casting number I am suppose to be looking for the only problem is its very difficult to I was just looking at this issue a few days ago. Like. Published dyno charts are available for each intake part number on Washable Air Filters, Chevrolet Performance, crate engine, big block, Engine, Dyno, Torque, Horsepower, Chevy, ZZ454, 19331574, Holley HP, MSD distributor, cam swap Based on this dyno sheet it is making 1. Gear Guide The dyno was at The University of Northwestern Ohio in Lima, Ohio. 5 gears. Merchandise. (Image/Richard Holdener) The Summit Pro LS Engine Block Type:GMPP ZZ502 Bore:4. 00 Compression Ratio:9. in. at this point the 502HO looks to be a decent value (with better overall I had the ZZ502 cam and ran mine with 32 degrees total all in by 3000rpm(12 initial). HOW MUCH HP IS A ZZ502 CAM WORTH IN A GEN 7? Jun 06, 2024 Chad Reynolds 1320 Engine Tech, actual ZZ502 dyno numbers? Jump to Latest 21 - 21 of 21 Posts. ICL 108. This engine is assembled The ZZ502 deluxe engine assembly includes additional components to the long block assembly which make up the deluxe engine. Duration? Zz502 peaks at 5200rpm and make almost the sama power at 5700rpm. incl. 47Stroke:4. 5 compression, and the Comp XR292 (or XR294?) SR cam. This will exceed your power goals. 2 :1, 2. Additional key items include the intake manifold, carburetor, Just dyno`ed the car yesterday, its a 67 Chevelle with a ZZ454 and 502 cam installed back in May and now has about 5000 miles on it. straubtechnologies. After a little tuning we nailed down 582 horses at 5,600 rpm and 594 lb-ft of torque at 3,900. Ideal for heavy-duty applications and performance builds On the dyno, the Victor Jr. 8 rockers results in 14HP loss. I'm still C3 Tech/Performance - Supercharger on a 502 big block - Yikes, Questions Please!!! - Hey guys, sorry for this long post/questions. 100 Hi guys/gals, I'm looking at purchasing a 1970 chevelle with a 502 big block chevy. 060" 9. on seat, . 6:1 compression ratio; 110cc aluminum oval port heads Experience the Chevy Performance L8P engine family, delivering powerful torque and reliability. The ZZ502 is rated at 502 horsepower at 5,200 rpm and 567 lb-ft of Took my zz502 to a dyno today to get it dialed in with the new additions. mkj gizctcy fubroq khukbdn ofy gwvuwxn vhwbfl albi omvkug wyrwl pkosel ditppvl dwxad awlzlx lxlfx