Porting templates are where even the most experienced builders started. Gas mileage either stays about the same or decreases slightly, but 20+ mpg on a properly tuned setup is still attainable, depending on weight, driving habits, etc…. Claims or chargebacks stating the item is not as described will not be accepted. The customer is responsible for all the shipping charges for the returned product. This tends to contribute to a bit of a rough idle and some power loss at lower engine speeds, but you do gain more high rpm power and an angrier exhaust note for your trouble. This warranty is subject to modifications and changes.
Due to the process in which we import; many engines will have dents and imperfections on the oil pan at the time of listing. Typically this type of port is used in race engines and is on the edge of being suitable for street use as it is generally harder to start and idles poorly. This is meant to give you the best of both worlds, kind of like variable valve timing does on a piston engine, by having the smaller primary port deliver high velocity but low volume airflow for better throttle response and drivability at lower engine speeds, and then have the bridge ported secondary intake port deliver the higher volume and longer duration aircharge needed for big top-end power. Please consult with your mechanic prior to purchasing this item to make sure this will work for your vehicle. Gas mileage either stays about the same or decreases slightly, but 20+ mpg on a properly tuned setup is still attainable, depending on weight, driving habits, etc….
A brand new timing belt must be installed. This warranty is subject to modifications and changes. Please let us know how you would like to handle the core when ordering. Background: rotary engines The main components of a rotary engine are the rotors, eccentric shaft, rotor housings, and the front, rear and intermediate housings. So street porting on the aggressive end of the spectrum can start to hurt street-friendliness a bit, but is still considered a good compromise between performance and everyday drivability.
All buyers are presented with actual item pictures prior to shipping out. Limited clearance on the Renesis side housings creates additional challenges when porting these housings, our instructions provide detailed photos of the most critical areas of concern. The finished template is held in place with tubular dowels and the porting shape is then traced onto each housing. If a settlement is in progress and the client attempts a chargeback, know that all previous offers are subject to deductions in dealing with the chargeback case. The finished template is held in place with tubular dowels and the porting shape is then traced onto each housing. Any other additional parts required to complete your swap will have to be purchased separately.
We stand 100% behind our products and will do everything possible to help you with any issue you may have. Stock turbo s and computer works just fine, although some form of fuel enrichment should be used. We will be more than willing to help you out. The price you see is assuming that your core is here. They offer a safe port and when done properly will offer minimal additional risk to your new engine.
For example: a claim for a broken rod bearing within the first week of receiving the engine will more likely receive proper validation as opposed to the last week of the warranty. Stand alone engine management mandatory! In some cases, stock photos are used. Due to the number of false warranty claims we have been forced to evaluate each claim critically based on the purchase and strict revision of dates. It is also not recommended to use steel apex seals as they chatter at this high rpm and can cause housing damage. Should you have any questions, please feel free to email or call us prior to placing your order. Charges related to the return of the item must be prepaid by the customer as well as any customs fees and related charges. These types of modification although difficult to determine on our end will not be warranted.
We must receive all of the parts that were included in the sale for the warranty to be valid. We highly recommend that you make a purchase from our company when you are ready to the installation either once received or within the first week. Like a four-stroke reciprocating engine, the air:fuel mixture is subjected to combustion and expansion. The test and inspection is to determine that no damages have occurred to the products or items during the client's possession. These porting templates are traced from Racing Beat's own master templates, which are the result of years of research and development.
We definitely do not recommend this for any kind of street use. As a result, power gains tend to be modest but not insignificant with this type of portin 10% gained over stock power is a pretty common estimate for a street port. We must receive all of the parts that were included in the sale for the warranty to be valid. Included with the Renesis porting templates are detailed instructions and advice to guide you through your porting efforts. This way they have the new and old engines side-by-side during the swap. Small parts and accessories are generally not covered under the warranty unless otherwise indicated but do contact us when an issue is noted.
This contract can and will be upheld to the United States Court Of Law. If you have never ported a rotary engine before we would strongly recommend getting hold of some scrap engine parts to practice on. Some products may require additional components to be fully functional. Parts used for our engine builds are mostly factory Mazda parts except for the parts most commonly recommended to upgrade from O. With that basic explanation of the role port shape and position play, lets get on with the business of discussing the various types of porting that exist for these special little engines.
This port can be customized to your specification. On the exhaust side, the more you lower the bottom of the port, the sooner it opens and the longer the duration is. Some modifications may be required, even if your vehicle is listed in the compatibility section. Significantly, each port had different timing see table below. Most people choose to pay the core charge and have it reimbursed later when they send in the core engine. If a core is unavailable,core charge will be added to the engine build. These prices are for a stock rebuild on a rotary engine block.