How much lift can stock Cam springs take?
This Cam is rated at .510 Lift, I heard the stock springs for the 350 can take like .470-.495 lift without overloading (Mine are 882 Heads). So my question is who makes a good set of springs I can put on these heads, Id like to be around .600 for max lift cause someday I plan to go to a 1.6 rocker arm ratio.
How much lift can a 1974 Chevy 350 Cam take?
So I've been building this 1974 Chevy 350 and I recently picked up a new cam from the Hot Rod Barn, and its a little too big for the stock valve springs. This Cam is rated at .510 Lift, I heard the stock springs for the 350 can take like .470-.495 lift without overloading (Mine are 882 Heads).
What year engine will fit in my truck?
I would say any year 5.7 engine will work. Having said that, it's the motor mounts, exhaust manifold, y-pipe, wiring harness, etc. that may be different thru the years. I'm sure someone else will chime in. I do have motor mounts off my 2004 5.7 Ram if you find you need them.
How much valve lift on a cam lobe?
The cam lobe lift is Int.-.358 & Exh.-.371 which with 1.5 to 1 rockers = Int.-.537 & Exh.- .557 of valve lift. I'm not only worried about valve to piston clearance and spring bind but keeper to valve guide clearance as well. Thanks.... CHEERS, from Verdigris, OK. (Tulsa) It depends on what kind of heads you are using.
What size cam is in a stock 5.7 HEMI?
Equipped with the 260H-13 cam, the 5.7L Hemi produced peak numbers of 401 hp and 427 lb-ft of torque compared to 370 hp and 407 lb-ft for the stock cam.
How much horsepower does a stock 5.7 have?
5.7L HEMI® V8 The 5.7L V8 HEMI® engine is available only on the R/T trim This engine offers 370 horsepower with 395 lb-ft of torque.
What year 5.7 HEMI is best?
Now in its second generation, the legendary 5.7-liter HEMI V8 engine had once again claimed a place on Ward's distinguished and highly coveted “2009 10 Best Engines” list. It earned these accolades because of the numerous updates it received in 2009, such as major internal changes and a dose of new technology.
What year did the 5.7 HEMI have issues?
2005 Dodge Magnum: Engine Stalls After Refueling Multiple 2005 Dodge Magnum owners have reported that the car's 5.7L Hemi engine frequently stalls after refueling. One NHTSA report from February of 2020 maintains that this issue occurs every time the car receives a full tank of gas.
What's the most horsepower you can get out of a 5.7 HEMI?
Power Numbers: Turbo 5.7L Hemi Adding 8 psi of boost upped the power numbers to 571 hp and 619 lb-ft, while 10.4 psi pushed them to 627 hp and 688 lb-ft.
How much HP does a cam add to a 5.7 HEMI?
Stock vs Comp Cam Run with the stock cam, the 5.7L Hemi produced 367 hp and 414 lb-ft of torque. After installation of the new HRT cam from Comp Cams, the power output jumped to 434 hp and 440 lb-ft of torque. The cam swap netted an impressive gain of 67 hp!
What year HEMIs have lifter issues?
New trucks started getting the lifters that January, everything else by that March. The new parts superseded ALL previous lifters in ALL models, 2005 - 2019.
Which are 1500 series Ram trucks to avoid?
Here are the Dodge RAM 1500 years to look for: 2011, 2012, 2017. Even if these models have a lot of miles, if you find a good deal and you can verify the truck has been well-maintained, you might want to take a chance on them. Here are the Dodge RAM 1500 years to avoid: 2003, 2010-2013 (5.7-liter V8), 2014, 2015, 2016.
What octane should I use in my 5.7 Hemi?
89 octane5.7L Engine (With Automatic Transmission) The use of 89 octane “Plus” gasoline is recommended for optimum performance and fuel economy. While operating on gasoline with an octane number of 87, hearing a light knocking sound from the engine is not a cause for concern.
What is the life expectancy of a 5.7 Hemi?
5.7 Hemi engines are good for 250-300 000 miles and more if properly cared for and regular maintenance is carried out. Early models suffered from valve seat issues which were rectified after 2008. It's not uncommon to find high mileage 5.7 Hemi trucks running around today.
How often should you change spark plugs in a 5.7 Hemi?
Maintenance Chart — 3.6L And 5.7LMileage or time passed (whichever comes first)100,000Or Years:10Replace spark plugs (3.6L engine). **XReplace spark plugs (5.7L engine). **XFlush and replace the engine coolant at 10 years or 150,000 miles (240,000 km) whichever comes first.X14 more rows
Do Hemi engines need premium gas?
If you have the HEMI V8 engine, you should use the 89 octane, if you have the base V6 engine, then it is okay to use the 87. Just never use higher than 89!
Is a 5.7 Hemi Worth Rebuilding?
The dealer-repaired Hemi finally came out at 235,000 miles and was replaced with a new partial long-block unit from Mopar. Items like the intake manifold, oil pan, timing cover, and valve covers were reused.
Assessing Damage to the 5.7 Hemi Core
After removing the Hemi's cylinder heads we discovered the telltale signs of a high-speed abrasive disc having been used by the dealership on the cylinder head to clean the surface. This shortcut is not a generally accepted method for any aluminum cylinder head that uses a precision MLS gasket, as the Hemi does.
5.7 Hemi Rotating Assembly and Block
"With an insignificant amount of wear and no problems with the rods and the pistons, there's not a reason not to use them as long as the cylinder bore is in as good a shape," says Brian Hafliger of IMM.
Fixing Damaged 5.7 Hemi Heads
After disassembling and hot-tanking the 5.7 Hemi's cylinder heads they were inspected for cracks, then the combustion chambers were cleaned more thoroughly with a wire brush, taking care not to tag any critical machined surfaces like valve seats or the fire deck.
Polishing the 5.7 Hemi Crank
If rebuilding the Hemi at home, one outsourced move you'll want to make is to have the crankshaft polished, a service IMM charges $45 for (IMM's pricing on common machine shop jobs you'll want outsourced can be found in the chart at the bottom).
Reusing the OE Hemi Camshaft
In preparation for assembling the 5.7 Hemi short-block the stock camshaft was inspected for wear on important surfaces like lobes and journals.
Laying in the 5.7 Hemi Crankshaft
IMM installs the standard-sized Clevite main bearings (part No. MS2220A std. ) in preparation for receiving the polished OE cast crankshaft. Note in this split-screen that the bearing halves on the block carry the oil through the groove in the bearing and that there's only one orientation for both the block and the main caps.
Where are Tri Star 5.7 engines made?
Tri Star MerCruiser 5.7 remanufactured engines have stricter tolerances than the original equipment standards and are proudly remanufactured here in the U.S.A. to ensure the highest quality. Check out our Shop Tour tab to see what separates us from the competition.
Why does Tri Star ask for information on a marine engine?
Due to the fitment issues associated with marine applications Tri Star asks that you verify information on the engine prior to ordering any marine unit .
Why do parts brands change?
Part brands may change due to availability, but comparable parts will be used. Contact your sales representative to verify brands at time of sale.
Is every engine different?
Every engine is different , and with today's rapidly changing automotive industry it is difficult to stay well informed on every update. Be sure to check out the Tech Article section under About Us. This area discusses both common failures with specific engines, as well as general information on how to install your engine properly and keep it running.
Is Tri Star 5.7 remanufactured?
All Tri Star marine replacement engines are remanufactured with the highest quality control. All specifications meet or exceed standards set by OE and engine remanufacturing guidelines, and every engine is thoroughly tested prior to packaging. Buying a Tri Star MerCruiser 5.7 remanufactured engine ensures long engine life for the best price.
Does a 2004 5.7 engine work?
I would say any year 5.7 engine will work. Having said that, it's the motor mounts, exhaust manifold, y-pipe, wiring harness, etc. that may be different thru the years. I'm sure someone else will chime in. I do have motor mounts off my 2004 5.7 Ram if you find you need them.
Does the 2500 series have EGR valves?
I learned that the 2500 series does not have the EGR valve systems.
Can a 510 hit the valve guides?
It's not just the springs. The bottoms of the retainers can hit the tops of the valve guides beyond a certain point. .510" is typically past that point.
Is 1.6 rocket cam too big?
That cam with 1.6 rockets wont be near .600 lift so I wouldnt worry about it. It is way too big for the 882 heads for sure. Its not just the retainer to guide clearance but also spring pressure and the stock springs will flow if you try to spin it high enough for that camshaft to start working. I know several guys who ran similar cams with the Z28 springs but until you change your heads I would not install that cam.
How much lift does a ground cam need?
If you want to put a big rumbly cam into a most stock engine - get a custom ground cam with about .450" lift, a tight 106 lobe seperation, and lots of seat duration. The older slower rate of lift cams are good for applications like this.
What to check with cam with lift?
With a cam with that much lift you need to check piston to valve clearance, valve to retainin clearance, pushrod to head clearance, rocker wipe pattern on the valve stem, and valve spring solid stack height, seat pressure, and valve spring height.
What year was the Camaro motor out?
The motor is out of a 1970 Camaro. I'll check the #'s on the heads....Thanks Bro!