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1974 Porsche Targa Street Sleeper Build

1974 Porsche Targa Street Sleeper Build

  We recently had the opportunity to perform a major overhaul on this 1974 Porsche Targa.  Our client wanted outstanding power and performance like no other, so over the next several months we stripped out the drivetrain and suspension to build an ultimate street sleeper. Beginning the motor, we chose to convert the 2.7 liter flat six to a 3.4 liter powerhouse.  Here is the list of parts that were installed during the rebuild: Case machining Cylinder Head Reconditioning and Valve Job Oil Pump Port and Polish​ Nickies Piston and Cylinder Set to convert to 3.4L​ Carillo Rods New Bearings ARP head Studs Web Billet 464/465 Camshafts All New Seals and Gaskets Powder Coated Engine Tin Full Ignition Replacement Spec Stage 2 Clutch Kit​ Fidanza Lightweight Aluminum Flywheel Webber Carb Recondition : Throttle shafts honed and rebushed Phenolic Carb Spacers To keep temperatures cool during the extreme Florida heat, we added oversized oil coolers and cust ... read more

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Porsche

750 Horsepower Porsche 911 Turbo Upgrade Package

750 Horsepower Porsche 911 Turbo Upgrade Package

We're now offering an ultimate turbo package upgrade for the Porsche 911, 991.1 models.  This custom kit will push your stock twin-turbo Porsche to the 750 (crankshaft) horsepower level.  You can watch the entire video here at : https://www.facebook.com/RennHaus/videos/734746596932168/ The kit begins with upgrading the stock turbochargers with a 68mm housing with billet compressor wheel.  The turbos provide a greater amount of air flow and pressure over the factory units, as well as maintaining good linear spool characteristics and the housing still remaine the factory VGT on the exhaust side.  From there we are pumping the air through 5-inch cores, AWS intercoolers that also use upgraded carbon fiber inlets and outlets that we custom modify for exact fit and cooling performance.  The intake charge pipes are upgraded with a custom in-house manufactured that are integrated with a ... read more

Ferrari 458 Akrapovic Exhaust

Ferrari 458 Akrapovic Exhaust

  We recently began installing a full titanium exhaust system on a 2015 Ferrari 458 Speciale, and during the remove of the stock exhaust system, found an issue.  Once the full stock exhaust system was removed, it was noticed that the passenger side catalytic convertor felt very heavy compared to the driver side.  Upon inspection what we found was staggering.  The entire catalytic convertor was clogged up.  Keep in mind, this car has under 8,000 miles and there was no notable issues to the owner, while driving the vehicle. Shown above is the clogged up catalytic convertor from the stock Ferrari Exhaust system.  Below is the driver side with no issues. With the issue at hand, this was a result of the fuel injection system, with an improper fuel spray, overspraying the intake, resulting in excessive carbon build up.  We therefore removed the intake manifold system and fuel injection rails, along with the injectors to flow testing.  Now we are back ... read more

Performance Profile - Two Nobles

Performance Profile - Two Nobles

The Renn Haus "Performance Profile" is an overview of current projects in our shop and during this video we take a look at two Noble vehicles; one that is completely stock versus another that we have modified for basic track use.  Shaun Lulofs, our service manager, points out the benefits of the modifications including a front splitter, larger brakes and calipers, push button clamshell releases, and an upgraded exhaust system.     To watch this and other Performance Profile videos, check out our Youtube page here: https://www.youtube.com/channel/UCJv0igM3Zx1ZO2neFpFbhVA

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Noble

2009 AMG Cylinder Head Bolts Replacement

2009 AMG Cylinder Head Bolts Replacement

This 2009 Mercedes-Benz SL, AMG, is undergoing an extensive repair due to damaged head bolts.  This is a fairly common issue with the Mercedes-Benz "63" M156 big block 6.2 liter engine (See below for list of vehicles this engine is used in). Symptoms of the head bolt failure include engine misfiring and unexplained coolant loss.  Most often a check engine warning light will show on your dash display, in this case, we offer a free "engine light" check service to begin to identify if this is the issue.  If these symptoms are ignored, the issue will quickly begin to cause serious damage to other engine components.   The repair procedure is to replace the broken head bolts with an upgraded, heavy duty head bolt. This process requires removal of the cylinder heads and replacement of the cylinder head gaskets (as well as other necessary gaskets) as seen in the next few images below.  Shown above the ca ... read more

Ferrari California Transmission Rebuild

Ferrari California Transmission Rebuild

Renn Haus specializes in service and repair of DCT transmissions including the Getrag units found most commonly in the latest exotic cars including the Ferrari California, 458, 488, F12, and La Ferrari, Mercedes-Benz SLS and AMG GTS.  Shown below is the Ferrari California with the Getrag 7DCL750 transmission housing removed.  For this build, we utilized the latest computer electronics and the manufacturers diagnostic software from Leonardo Diagnostic (Ferrari) to assist our specialized technicians to pinpoint the problem in this transmission.  We always keep our technicians highly trained and qualified to perform basic procedures such as DCT fluid and filter service -- all the way to complete disassembly for Getrag speed sensor replacement, such in this case.    This repair saved our client thousands of dollars compared to the exotic car ... read more

RENN HAUS 1989 944 S2 WIDEBODY PROJECT

RENN HAUS 1989 944 S2 WIDEBODY PROJECT

In 1989 Porsche was starting to realize the success in the 944 model (built and designed off its predecessor the 924). The 944 was a nimble, well balanced, sports car that had a front engine rear transaxle layout offered in four different trim levels. The base 944 with its 2.7L inline 4 cylinder only put out a modest 163HP with no real torque to brag about. The 944 S model did increase the power some to 187HP, but the real players were the 944 S2 and Turbo choices bringing 208HP and 247HP respectively. The turbo and S2 versions also had an optional performance brake package as well as a limited slip transmission option. The 944 went on to become the most successful model up until the release and eventual success of the 986 Boxster. Renn Haus acquired this vehicle in November of 2017 after months of looking for the perfect shop project car. Many options were considered and there were some excellent arg ... read more

RENN HAUS 2012 C63 AMG PROJECT

RENN HAUS 2012 C63 AMG PROJECT

This is a company car bought in 2013 with 1,377 for us to have a little fun. In fact, it now has 8,000 miles as we’ve had a lot of fun! The angry AMG 6.2-liter V-8 normally aspirated engine growls and howls upon start up and acceleration. Power from the 6.2-liter V-8 is 481 hp and 443 lb-ft of torque. The AMG engineers have fitted the seven-speed Speedshift Plus MCT automatic, which trades a conventional torque converter for a clutch pack with paddle shifts. The new transmission, first seen in the SL63 and now spreading throughout the lineup, allows the driver to choose from four different driving modes and includes AMG’s Race Start launch-control function. First thing we did was a RENN HAUS DME Tune, install equal length long tube headers and fabricate a custom exhaust. This brought the power to about 580 hp and 580 lb-ft of torque. Mercedes Benz had deliberately chocked the throttle body so as not to produce this crazy power in such a light weight coupe. In Manual or S ... read more

RENN HAUS 2003 Mercedes S600

RENN HAUS 2003 Mercedes S600

Bradenton Motorsports Park DYNO performance: 683.47hp rear wheel (estimated 850hp at flywheel) 769.65 torque rear wheel (estimated 960 lb ft torque at flywheel) ¼ Mile Performance: 0 to 60mph - 2.91 seconds 60’ - 1.749 seconds Elapsed time: 11.341 seconds MPH: 122.14 RENN HAUS used the Speedriven package for this Mercedes S600. This package featured a set of matt black top-mounted water-to-air intercoolers, “scorpion” air intakes, K&N cone filters and ECU software tune to manage the extra air density and extra boost. We also upgraded the transmission controller allowing the car to handle the extra torque and giving the S600 a more “true” manual mode to hold gears more aggressively while delivering quicker, firmer shifts in “Sport” mode. Yet the Comfort mode retains the S600′s us ... read more

RENN HAUS Restored '84 Euro Carrera Cabriolet

RENN HAUS Restored '84 Euro Carrera Cabriolet

$22,950.00 A STEAL! SOLD ... is going back to GERMANY! This is a really nice example that was brought back to like new. No corners cut. NEEDS NOTHING! Over $30,000.00 invested. Rebuilt engine and transmission has only 600 miles. Upgraded air conditioning that actually works here in Florida! No accidents, original paint with the exception of the front bumper and rear engine deck lid. Does have minor paint chips in the hood and mirrors. NO RUST! Restoration Detail:   Engine rebuild from 3.2L to 3.4L, 227hp to 260hp (est): Bore & re-plate, J&E Pistons, rings, cams, valve job, EBSR valve springs, EBSR valve seats, valve retainers, main bearing, rod bearings, timing chain, ARP rod/nut/bolt set, ARP head stud set, TRW intake valves, TRW exhaust valves Transmission Rebuilt: new clutch disc, pressure ... read more

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