What is Streetport and Bridgeport?
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What is Streetport and Bridgeport?
Bridgeporting is similar to streetporting in that like streetporting, the intake ports are extended, but now a slit is cut next to the port which opens up the port sooner then before, while still allowing the corners seal to cross over a bridge of metal. (
How much does Bridgeporting cost?
Sticker Price
| Fee | Cost |
|---|---|
| Tuition | $31,920 |
| Books and Supplies | $1,500 |
| Other Fees | $2,840 |
| Room and Board | $15,950 |
How much does it cost to Bridgeport a 13B?
| Intake and Exhaust Porting Pricing | |
|---|---|
| Mild Street Port | $500.00 for 4 port Turbo & 6 Port N/A $600.00 for 12A & 13B GSL-SE $600.00 for 13B Renesis $850.00 for 20B |
| Bridge Port (Level 3 Rebuild or above required) | $850.00 for 4 port Turbo $850.00 for 12A & 13B GSL-SE $1100.00 for 20B |
What is a Renesis rotary engine?
The name Renesis is a combination of Rotary Engine (RE) and Genesis. The abbreviation MSP is Multi Side Ports which make the engine different from its Mazda’s rotary predecessors. Instead of the 13B-REW, the 13B-MSP is a naturally aspirated (NA) engine.
What is a street port of rx7?
Street Porting is the reshaping and/or enlargement of the stock intake ports within the boundaries of the corner and oil seal tracks to increase the amount of air that is drawn into the engine over a particular RPM range.
How much power does a 13B Bridgeport make?
You can expect NA power output of over 280whp at around 9,500rpm with this kind of porting. It is also not recommended to use steel apex seals as they chatter at this high rpm and can cause housing damage.
How many ports does a 13B have?
The 13B-MSP engine was offered in standard and high-output versions. The standard versions have two intake ports per chamber, and high-output – three intake ports per chamber (primary, secondary and auxiliary).
How much power can a renesis make?
Horse Power: The naturally aspirated Pettit Built Renesis when properly tuned with ambient temps around 70-80F, using a header and open exhaust will produce 245+hp or 210whp @ 8800 rpm.
What does bridge ported mean?
Bridge Porting There are a few variations on the bridge port, but the basic concept is to add a new intake port or “eyebrow” next to the main ports, with a “bridge” on the side housing’s surface left between them to support the corner seals and leading edge of the side seals they pass over this area.
What is Street porting and how does it work?
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. On the mild end of the ‘street porting’ spectrum is a basic cleanup of the port edges as well as some minor reshaping of the port openings.
Is Street porting good or bad for your car?
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.
What does porting the intake and exhaust ports mean on rotary engines?
At its most basic level, porting the intake and exhaust ports on a rotary engine is the same as porting the cylinder head (s) on a piston engine, in that the objective is to improve airflow in and out of the combustion chambers.
What are the different ways of porting a Mazda rotary engine?
If you’re a fan of Mazda’s amazing rotary engines, then you’ve no doubt heard terms like ‘street porting’, ‘bridge porting’ and ‘peripheral porting’ being thrown around, but it can be confusing trying to make sense of the many ways in which these engines can be ported and how each method affects engine performance.