Vehicle descriptionWest Coast Classics are proud to present a rare and no expense spared frame off restored example of this 1970 Dodge Challenger R/T Hemi Convertible clone with a date correct crate 528c.i. 600+HP 8.6L V8 Hemi Mopar engine matched to an automatic 'Torqueflite' Hemi transmission with Posi rear end. This particular car was born with a 318 V8 engine but now boasts a crate 528 Hemi V8 engine with the date correct 2468330 casting number engine from 1964-71 and a 2881489 original 8 3/4 Mopar 489 Posi 'Sure Grip' rear end. The 426 RB block was introduced to power the big and heavy Chrysler, Dodge and Plymouth intermediates and full size cars in 1964. This street Hemi engine was the ultimate big block after the 375HP 440 cid V8. Chrysler was heavily involved with racing at the time and the Max Wedge engines were doing well on the drag strip but they were not as competitive on the NASCAR circuits. The Wedge just could not breathe as well as their competitors and Chrysler knew that the reintroduced hemispherical combustion chamber cylinder heads for use on the 426 cid RB blocks was the best design for producing the most power. Rather than build a completely new engine from the ground up Chrysler chose to fabricate hemi cylinder heads and use them on their existing RB engine block. The result was the 426 Hemi from which Chrysler built a great variety of hemi-head engines starting in 1964-65.The drag race hemi engines were different from the circle track engines with each using different intake setups, internal components and with different displacements. The drag engines were offered in 415 amp; 426 HP versions whilst the circle track engine was rated at 400 HP with a single 4BBL carburetor. Chrysler first used the engine in the most prestigious NASCAR race of all - the Daytona 500. Hemi powered Plymouths took the first 3 positions in the 1964 race and although Ford won 30 races that year compared to Chrysler's 26, it was obvious that Ford's 427 Wedge days were numbered which resulted in Ford building its own hemi engine, the 427 SOHC.It should be pointed out that the 426 Hemi and other engines used in sanctioned racing were special, low production engines that were never really intended for use on any street vehicle. Indeed the engines were only produced for street cars after NASCAR ruled that if either Chrysler or Ford wanted to race their complex and expensive hemi-head engines then they would have to build a certain amount of street cars with these motors and sell them first to the public. Ford famously declined but Chrysler went ahead and so the legendary 426 street Hemi was born in 1966. Ford eventually did build its own street hemi, the Boss 429, but not until 1969.This particular car is the recipient of a full frame off restoration with no expense spared and boasts a crate 528c.i. 610HP 8.6L V8 Hemi engine matched to an automatic 'Torqueflite' Hemi transmission and Posi-traction rear end. The car looks very impressive with the desirable 'Shaker Hood' and in it's striking 'Blue' color with a 'White' interior and matching 'White' power soft top. The car was born as a 1970 Challenger Convertible with a 318 V8 engine in 'Bright Red' with High Trim Grade with Bucket seats, full door panels, a 'White' top, 'Light Package'; amp; the 'Basic Group' which includes Power steering, left remote mirror, AM 'Music Master' radio, 3 spd wipers; Center console with woodgrain, chrome driver side adjustable racing mirror amp; Power convertible top.The car now has a crate top-of-the-line 528c.i 610Hp 8.6L V8 Hemi engine with the following specs:Heavy-duty Siamesed Bore Cast Iron Block with cross-bolted mainsAluminum Cylinder HeadsBlack Cast Aluminum Valve CoversBreathersStainless Steel 2.25" Intake Valves and 1.94" Exhaust ValvesHeavy-Duty Single Valve SpringsPremium Material Valve Stem Seals292 Hydraulic Camshaft - 0.524"/0.543" liftForged Pistons - 4.50" bore, 10.25:1 compression ratioAluminum Dual Plane M1? 4-bbl Intake ManifoldForged Steel Crankshaft - 4.15" strokePrecision Double Roller Timing Chain and SprocketsChrome Front Cover6-quart Rear Sump Oil Pan (1970-71 B- and E-body style)Spark Plug WiresHigh-Performance Electronic Distributor The car has been restored with great attention to detail as an original 1970 Challenger R/T Hemi Convertible with the crate 528 Hemi V8 engine being ridiculously powerful and strong with few miles since the build and with the functional shaker hood. This particular car drives like a dream, the transmission shifts smooth and the engine temperature always runs cool. This is one very rare and highly desirable fully frame off restored example of one of the most iconic, desirable and outstanding muscle cars of all time, the 1970 Dodge 'Hemi Challenger' R/T Convertible which along with it's close cousin the 1970 Plymouth Barracuda 'Hemi Cuda' Convertible, have the highest repute amongst collectors for both their beautiful lines and simplicity and unsurpassed high performance at the pinnacle of their development in 1970/71 and most especially their rarity!In 1968 the entire Chrysler B-body lineup was redesigned and the Dodge Charger was further differentiated from the Dodge Coronet models. A new high-performance package was added, the R/T which stood for 'Road/Track' and which came standard with the previous year's 440 'Magnum' with the 426 Hemi optional. The Chrysler Corporation began an ad campaign featuring a cartoon bee with an engine on its back promoting models called the "Scat Pack". The Coronet R/T, Super Bee, Dart GTS, and Charger R/T received bumble-bee stripes (of two thin stripes framing two thick ones). The 1968-70 Dodge Charger was, and still is, a styling sensation when introduced in 1968. The R/T was the extreme sporting model identified by it's designated XS29 VIN and 'Scat Pack' bumbleebee striped tail and was comprehensively equipped for grand touring American style including the competition style gas filler gap. The Hemi version cost $604.75 in 1968 dollars which might explain why only 475 such cars were ever sold with only 211 boasting the 4 speed manual transmission (which was a no cost option!). With these cars Detroit achieved a rare combination of classic lines, outstanding performance, and better than average quality control. Unfortunately styling along with performance deteriorated after 1970 and although the name continued through the '70's it was never to achieve the cult status and collectible desirability of this 1968-70 generation.The Dodge Challenger coupe debuted in 1970 as a near cousin to Plymouth's third generation Barracuda apart from outer body panels and a 2" longer wheelbase. Too late to do Dodge much good in a declining pony car market with a rapid sale decline in the this very first year leaving some now very rare and collectible low volume R/T and even sportier T/A offshoots built in 1970 only and created for SCCA Trans Am racing and roughly equivalent to the AAR 'All American Racing Team' of Dan Gurney 'Cuda. Even rarer and more exclusive and now extremely collectible was the Dodge Challenger Convertible which when it came along with it's close cousin the 'Cuda could eventually claim to have the highest of collector status when in it's ultimate incarnation and optioned with the Hemi engine! Only 3,173 1970 Dodge Challenger Convertibles were ever built of which this R/T Replica is one, with only 1,070 actual R/T Convertibles actually built and with only 9 actual factory R/T Hemi's built which today, at the peak of the market, could expect to bring well over $1M. The Hemi 'Cuda Convertible was the first muscle car to break the $1M mark in 2002 and recent sales had topped over $4M for the last year of production in 1971.As a result, some of the most desirab...for more information please contact the seller.
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