INTENSE™ 3800 Race Ready Short Block Assembly

INTENSE™ 3800 Race Ready Short Block Assembly

$3,999.99

Part Number: SBA-xxx

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INTENSE™ Race Ready Short Block Assembly Core Charge:
Add $500.00 refundable core charge
Please select your compression ratio:
8.0:1 Compression Ratio
9.5:1 Compression Ratio

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APPLICATIONS:

  • 1996-Current Series II 3800-powered vehicles (replaces L36, L67 and L32 engines)
First we take a stock Series II 3800 short block and disassemble and clean it completely. We switch to the much stronger, hot-forged L32 connecting rods and diameter fit and rebuild them with custom ARP rod bolts. The crankshaft is polished and the bellhousing machined for an extra oil feed. The rear oil galley is drilled and tapped for an NPT fitting and oil return holes are drilled into the lifter valley. The balance shaft is removed and it's oil feed hole is drilled, tapped and plugged. Custom ARP head studs are installed and the cylinders are bored to .010" oversize. Then a competition hone job is performed using the INTENSE custom-fabricated align bore hone plate.

Custom ARP main studs are installed and main bore sizing is checked. The block is washed for assembly and built with Diamond custom 8.0:1 or 9.5:1 forged pistons with moly coated skirts and ceramic coated tops. The entire rotating assembly is then 50% balanced and the piston pins are pin-fit. Special ring end gaps are cut and a custom Total Seal chrome moly ring set is installed. Finally, new Clevite 77 rod and main bearings are installed and clearances are checked.

This completely assembled short block evolved from the original design by Lee Performance Products, and is actually somewhat superior to the setup used in the Spirit of Bonneville race car, which became the first production FWD car to achieve 200 MPH on the Bonneville Salt Flats in August 2001. Our race blocks have endured 502 horsepower at 7,100 RPM for five miles straight at Bonneville Speed Week, and more than 700 horsepower in our Turbo Project Car. At INTENSE, we do NOT support using sub-standard components in order to reduce rotating mass. Although lightened bottom end components may increase your horsepower in the short-term, we do not feel the risks are worth the potential gains. It is important to understand that while this engine will not actually increase your horsepower, it will survive the horsepower the rest of your combination can produce.

  • SBA-801 - INTENSE Race-ready L67 Short Block, 8.0:1 Compression Ratio, Bored .010" oversize
  • SBA-951 - INTENSE Race-ready L67 Short Block, 9.5:1 Compression Ratio, Bored .010" oversize


An INTENSE™ Race Engine was used in this car and survived 7,100 RPM for several miles.
Bonneville Salt Flats - Speed Week - August 2003

IMPORTANT NOTES:

SHIPPING- Due to the size of the shipping carton for this item, a flat-rate shipping charge cannot be set. You will be contacted on the cost of the shipping rate based on your location. For an estimate, please email JohnR@INTENSE-Racing.com and include your name, postal code, and daytime phone.

- A $500.00 U.S. core charge will be placed on this item. The core charge will be refunded after the stock short block is returned, disassembled, and inspected. The returned short block MUST be in rebuildable condition. This means no cracked parts, no missing components, etc. The returned short block must be the same year and type as ordered.

- We recommend your INTENSE™ Race Ready Short Block Assembly be installed by a competent professional.

- INTENSE™ Race Ready Short Block Assembly is warranted for a period of ninety (90) days from the date of purchase against defects in materials and workmanship. The warranty provides for a replacement short block only, and does not cover labor or any other costs. Purchaser and Installer assume all liability with regard to any and all damages in any way related to the purchase, installation and/or use of this short block.

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