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| After lengthy development and testing, Mantapart has combined the best Quad 4
components with GMs SPO supercharger kit and Electromotive's Tec3 EFI programmer to give a very potent new engine to the small GM FWD crowd. Seeing the need to improve on the limitations of both the 2.4 engines and the SPO supercharger kit, Mantapart has made many specialty parts and modifications to provide better power for these engines. Mantapart has coupled the better flow of the earlier Quad 2.3 cylinder heads to a specially modified SPO supercharger manifold. The increased flow allowed Mantapart to increase the displacement of the 2.4 engines and they also removed the power robbing balance shaft and weak oil system. Then by adding the total engine management adjustability of the TEC 3 to the EFI , the power gains have been greater yet. The basic sports 2.4 supercharger package engines are already at over 240 hp at the flywheel (nearly 200 at the wheel!) and the new hybrid 2.5 engines are looking at numbers close to the 300 mark. The results are a very strong and reliable engine with power to spare for street or sports use. Engine packages are available for most chassis models of the small GM FWD cars from '96 and up. Contact Mantapart for more details and pricing on your specific engine and power needs. |
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OK guys, here a deal if you want to build up a new engine, do a conversion, or
just replace a tired ECOtec engine. |

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Billet Steel Alloy Rods - Race quality rods now available for 2.2 OHV, 2.3 & 2.4 Quad, and 2.2 ECOTEC. $395.00/set 2.4 Quad Forged Low Compression Turbo |
OP 1831RN "NEW" Rear Wheel |
Complete line of ECOTEC performance engine parts now available!
Don't forget to check the specials!
PARTS ORDERING NOTICE: Due to the specialized nature and small volume of many
of our performance engine and chassis parts, there will often be delays of more than 3-4 weeks. If you have time frame issues please contact us in advance before ordering so we can best advise you of specific availability and timetables so your project will not experience any delays due to our production schedules. We make every effort to keep our suppliers providing us parts promptly to meet your needs, but we cannot always control their production schedules. Thanks for your patience and patronage of our products. |
The name General Motors (GM) or any of its vehicles is used on this site purely for descriptive purposes.
It implies no connection with GM.