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The Ram Jet 350 has it all, great nostalgic styling, drivability unsurpassed by carburetors or aftermarket fuel injection, power to spare and a mild performance idle. GM Performance Parts is "More Than Just Power" and once you've driven a Ram Jet you'll understand why. The 350 HO should only be used in 1973 and earlier pre-emissions street ...Burya Ramjet missile stage. Boosted by 2 x R-11 derivative boosters. 6,500 km tested, 8,000 km specified, cruise at Mach 3.2 at 18-20 km altitude with 2,350 kg warhead. Flight tested 1957 - 1960. Wing area 60 square meters; diameter of ramjet inlet 1.7 m. Total missile mass 97,215 kg; gross masses prorated, empty masses estimated.Ram jet is a lot hotter than stock, puts out 350hp, stock is 255hp. Thats a good increase in my book. Hot cam might get away with a stock stall but that doesnt mean it`s going to work good. The hot cam is going to want a little stall. The ram jet cam would go right in as would the ZZ4 cam. Wouldnt worry too much about a steel crank.Google RamJet 350 problems. LOTS of threads on idle problems and an 'issue' with HIGH speed run-on when cruising down the road. Example from dealer website ... It's a Ramjet manifold and throttle body with an 87 tpi ecm, the engine is a 327 w/ Edelbrock E-tec 170 heads, SLP roller cam 502 510 lift 112 lobe seperation .050 duration …5456 posts · Joined 2008. #8 · Nov 5, 2019. Here is the springs GM uses on there crate motors including the zz3 slash zz4 motors and also there ramjet 350 crate motor and the zz4 roller cam is way more then the ramjet 350 cam and the comp cam 981-16 springs have over 25 to 30 pounds more seat pressure and a rate of 373 pounds as to …Ramjet 350 IAC position @ idle. Just a question about "IAC desired motor position" at idle. I have a RamJet 350 intake manifold on my BP383, running a modified 7427 PCM in my G20 van. I've noticed my IAC position displayed in TunerPro is about 46 @ 550 RPM in gear. On a TBI motor I would normally adjust the idle stop screw on the throttle body ...About this 88962717 Module assembly. This part is a module assembly, engine Control, Ramjet 350, for General Motors cars. It fits for General Motors vehicles which were sold in the U.S., Europe, and UK. It's a genuine General Motors accessory with an OEM part number 88962717. This module assembly comes in a set of 1 item in retail …Hello guys sorry to post again but been having some weird issues with my engine starting in very cold weather. Engine is a 350 small block chevy with mild gm zz4 roller cam and old style HEI distributor and a holley 600 carb with manual choke. Timing is 12 initial with vacuum advance hooked up to full manifold and it adds around 12-14 degrees ...Jun 16, 2022. #1. Ladies, I am looking for some advice on ways to reduce the eye watering fumes that are coming form the tailpipe of my RamJet 350 MEFI3. This engine runs off an open loop system and is known to run rich. The later MEFI4 open/closed loop wiring harness addresses this issue to a certain existent, adds an oxygen and IAT sensors.The RAMJET 350 engine is manufactured on current production tooling; consequently you may encounter dissimilarities between the RAMJET 350 engine assembly and previous versions of the small block V8. In general, items such as motor mounts, accessory drives, exhaust manifolds, etc. can be transferred to a RAMJET 350 engine when installed in a ...from newport richey, fla. My '57 210 HT has a 2010, stock 350 ramjet with 1900 miles. The annoying and dangerous problem is the extremely stiff throttle spring. From a dead stop,slight foot pressure, nothing happens. Then little more pressure and suddenly, it takes off like a rocket ship.I let Wifey drive it the other day and she damn near rear ...T. trailabite Discussion starter. 142 posts · Joined 2010. #1 · Jun 25, 2015. I need to check the timing on my ramjet 350 but there is no timing tab on the block and as far as I can tell from searching this is how the engine comes. I have the tool to set the base timing but the manual says to adjust it to 10* BTDC using a timing light.I ordered a GMPP 350 HO long block to replace it, but the 350 HO has the plain jane stamped rocker arms and I'd rather keep the roller rockers from the Ramjet motor. Thing is, the rockers in the HO are 1.5:1 and the rockers in the Ramjet are 1.6:1. The cams are as follows: Ramjet 350: Cam lift: I 0.431" / E 0.451"I put a ramjet 350 in my k5, I have an old-school hickey tank from the 70's, 40 gallon. I installed this into it: Check out post 78 here for more info I had talked with several ramjet owners from other places, some in trucks, some in cars, all that tried the inline pump reported fuel starvation issues at some point.Even the 395 Ramjet 350/HT383/Marine 350 crate engine cam is a nice addition over the lame stock Vortec 305 L30/350 L31 191º/196º 0.412"/0.428" lift on a 111º. this cam was also used in the 1994-96 L99 4.3 V8(vee 8) bably LT1 GEN 2 engines that was the standard engine in the Caprice cars. The 1994-96 iron head 350 LT1 was an optional …I'm probally doing this all wrong but this is a 89 ext cab Silverado ramjet 350 nv4500 5speed centerforce dual friction clutch sfi flywheel,McLeod hydraulic throwout bearing baer 14'' front disc 13'' reardisc crv vacume booster 60s 11/8'' master. and a whole lot more all in this beat up P/u.I was just reading about a fellow that had built many 87-02 Vortec-based 350s. He likes the RJ350 cam , GM #14097395. Here is where that cam is used. I have collected the parts to build my own Ram Jet, and I spent under $3000. I think the top end, wire harness, and ECU are still for sale...GM fits ramjet 350 Engine Dipstick. Brand New. 2 product ratings. $106.92. web_amcoautoparts (89,196) 99.6%. or Best Offer. +$16.25 shipping. CHECKER MARATHON RAM JET 350 GM PERFORMANCE PARTS ENGINE MODEL PLATE DATA TAG. Remanufactured.Chevrolet Performance 19417619K - Ram Jet 350 350ci Connect & Cruise Powertrain System 4L65-E Trans. (0) $14,990.93. Chevrolet Performance CPSSP383T56 - SP383 383ci Connect & Cruise Powertrain System T56 Super Magnum. (0) $14,079.72. Chevrolet Performance 17802826 - 2012 327ci / 500hp Supercharged COPO Crate Engine.The Ram Jet 350 crate engine kit includes a MEFI 4 engine controller, wiring harness and a detailed instruction guide to make adding this retro-style EFI system a complete DIY project. Some additional components are required, including a high-pressure fuel pump and front accessory drive system. Specifications: Horsepower: 350 @ 5200 RPM1. Vacuum leak due to a broken hose or one that disconnected. 2. There is a "minumum idle air" adjustment screw on the throttle body. Similar to a carb idle adjust screw. Either one of these can allow more air into the engine than wanted, so even if the idle air control closes, you idle too fast. The "minimum air" adjustment should be covered ...

Here's a 57 Black Widow Cloner with the 350 Ramjet set up and it sold at Mecums last year for $51 G's!!! I may consider getting rid of the 327 with 57 dual 4 setup in favor of this unit..... then I could put on the "Fuel Injection" emblems!! Attachments. Ramjet 350.jpg. 96.4 KB Views: 198. Ramjet 350-2.jpg.The determining factor of pushrod length is how the rocker tip sweeps the valve stem. The goal is to use a push rod length that keeps the rocker contacting as much as possible the area about the center of the width of the valve stem. Striking the valve stem off center increases wear on the stem and guide and at the extreme can run the rocker ...MEFI 3 ECU Wire Harness, Ram Jet 350; MEFI 3 ECU Wire Harness, Ram Jet 350 12489492. Your Price: $397.07. Suggested Retail: $413.61. Product Details. Designed for use with the MEFI 3 350 Ram Jet engine P/N 12495515 using ECU P/N 12489488. California Proposition 65 Warning ...The RAMJET 350 engine includes a standard rotation water pump. This is a cast iron, long leg water pump; the same pump that is installed on the GM Performance Parts ZZ4 crate engine. Any small block engine, regardless of year, that uses Vortec heads, will require an external coolant bypass line from the intake manifold to the 5/8" hose nipple ...GM Ramjet 350 with edelbrock ecu and harness. 01-29-2023, 02:51 PM. I have a older GM ram jet 350 crate motor with the GM harness/MEFI3 ECU. This version only runs in open loop (no O2 sensor).

AL, USA. Oct 22, 2016. #7. mep1811 said: The RamJet is ODB-1 but the injection system is MEFI Marine Engine Fuel Injection . There are cables and computer programs that will do diagnostics but the only hand held scanner is the TechMate Pro by Rinda. $499.99. TechMate Pro marine diagnostic tool, marine code reader.25 posts · Joined 2005. #11 · Feb 17, 2022. I also have a crate 350 and after a proper break-in, I switched to Valvoline VR1, which is a racing oil with a high zinc content. I use 20w-50, but it also comes in 10-30 and straight 30. Like.I know it doesn't sound like much, but the rule of thumb formula for increase in speed is percent change in horsepower is equivalent to percent change in velocity cubed: (57/55)^3 = X/300 hp. (57/55)^3 * 300 hp = 333. X = 333 hp. Thus opening the captain's choice is good for about 30 hp - which is a reasonable number.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. 350 Ramjet Fuel Injected V8 Motor Ford 9 Inch Rear End 700R4 . Possible cause: I read a couple of old threads, but it was only showing pics of someone's Ramjet, an.