history of GRAND SPORT CORVETTE HASH MARKS,ETC.
history of GRAND SPORT HASH MARKS, for those to young to remember these STRIPES were originally stripes of RED colored duct tape , slapped on hoods /fender so pit crews could easily identify which driver was in which of three 1963 grand sport corvettes, that were raced at the Bahamas sports...
garage.grumpysperformance.com
Untold Stories of the 1963 Chevrolet Corvette Grand Sport #003
No recounting of the Corvette’s early glory days would be complete without including the 1963 Corvette Grand Sport. Invariably on the short list of the most val
1967 - L88 (427CI) Engine Guide: Specs, Features, & More
No list of formidable Corvette engines would be complete without including the 1967 L88. The L88 was a variant of GM’s 427ci big-block lineup, which served as a production race engine.
www.corvsport.com
AFR - Airflow Research 2110: 345cc Rectangle Port 24° Magnum Aluminum Cylinder Heads BB-Chevy - JEGS
BB Chevy Basic Package Components Competition 5-angle Valve Job Intake Valve, 2.250'' stainless steel Exhaust Valve, 1.880'' stainless steel 1.550'' OD Roller Dual Valve Spring with dampner, 240 lbs. on seat, .750'' maximum lift 10º Chrome Moly Retainers 10º Chrome Moly Valve Locks Valve Seals...
www.jegs.com
The original base 69 Corvette was retailing for $4,780 at its unveiling.
This price tag brought a fully-featured base model, whose front fenders had engine cooling vents
keep in mind back in 1969 you could buy an L88 crate engine for about $1599 from chevy
but back then I was making about $120 a week.
L88 Specs Index
- Horsepower: 430 hp @ 5,200 rpm
- Torque: 460 lb./ft. @ 4,000 rpm
- Compression Ratio: 12.5:1
- Displacement: 427 cubic inches
- Cylinder Bore: 4.25” (108 mm)
- Stroke: 3.76” (95.2 mm)
Vehicle
keep in mind the L88 big block corvette technology is vastly outdated.
(yes I was at SEBRING FLA in 1967) the engine was factory rated at 430 hp, the much less powerful 427 tri power engine was rated at 435hp, L71 so only the really knowledgeable racers selected that option, while the chevy dealers sold a ton of tri-power big block corvette to those guys that had the cash, but were probably clueless as to the true power potential, of both engines.
the GRANDSPORT corvettes that raced in NAUSSA, were highly modified small blocks, many were eventually re-engined with 377 cubic inch engines (400 block/350 crank) for racing, but by 1967 the big block L88 corvette was firmly favored for racing due to the much improved torque and hp, that easily over came the engines noticeably increased weight of about 100 extra lbs,
the 1967-1969 big block L88 corvette were and are now very expensive
when the L88 corvette VS the AC cobra racing was going on,
back in the mid to later 1960s the L88 engines after minor mods probably produced right around 550 plus hp
the cobras and corvette duels were fought on road race course, and both were factory modified to be significantly lighter in weight ,
than the production cars sold to the public, keep in mind at the time
"WIN RACES ON SUNDAY RESULTS IN INCREASED SHOWROOM SALES ON MONDAY"
was the firmly believed mind-set / montra that helped drive both cars sales
with todays much improved heads, cam shaft and valve train technology and a stroker kit that brings displacement to 496 cubic inchs , a good EFI induction and tunned headers 750 plus hp is very easy to surpass.
AFR 335cc BBC Rectangle Port Cylinder Heads CNC Ported - Air Flow Research 2001 - TREperformance.com
TREperformance sells new AFR 335cc BBC Rectangle Port Magnum aluminum cylinder heads from Air Flow Research for almost any Chevy big block vehicle, this is part # 2001.
treperformance.com
building a potentially impressive BBC
think twin turbo/ intercooled /e85/ 1300 plus hp with added oil cooler etc. think of this as a quick way to blow $33K minimum :facepalm: :like: YOUR CERTAINLY NOT GOING TO BUILD SOMETHING LIKE THIS AND EXPECT IT TO RUN ON THE LOCAL GAS STATIONS PUMP LOW OCTANE FUEL heads...
garage.grumpysperformance.com
Big-Block Chevy OE And Aftermarket Block Variants
Generation Gap: Big-Block Chevy OE And Aftermarket Block Variants By GREG ACOSTA AUGUST 07, 2018 https://garage.grumpysperformance.com/index.php?threads/some-basic-bbc-math-to-get-you-thinking-about-your-potential-dream-bbc-combos.14607/#post-96895 When it comes to big-block engines, there...
garage.grumpysperformance.com
Bbc Related & Links And Useful Info
a few useful links, and sub links videos, and tips to look over yeah, increased displacement helps and building a killer BBC old school, for your car can be both cost effective and produce impressive results some of the most effective, cost per hp and efficient combo's , will be the 496...
garage.grumpysperformance.com
big block head comparison
(below youll find several links too some of the more exotic high flow racing BBC head designs from the aftermarket ) (these are not directly interchangeable with stock components,) and will generally require selecting matching expensive aftermarket intakes, from that heads manufacturer, and...
garage.grumpysperformance.com
92 Octane 496 Build
If things go well this will be all the relevant details on my 496 build including the dyno results and specifics on the parts used that make a difference. Some of you may recall my concern about the RPM accuracy but the curve really tells the story. ===================== The photos attached in...
garage.grumpysperformance.com
Bbc Build Advice
I know this topic has been posted extensively, and I am very appreciative of that. I'm having a bit of difficulty sorting through all the material. Even though I can make my way through most repairs I have never built an engine and don't plan to with this project. What I'm looking for is...
garage.grumpysperformance.com
some basic bbc math, to get you thinking about your potential dream bbc combos.
I recently had a discussion with one of the local guys concerning what heads and rotating assembly he should buy now that he recently purchased a tall deck (10.2") big block chevy block. he has a perfectly good 427 forged crank (3.76" stroke) but hes seriously thinking of buying a (4.25" stroke)...
garage.grumpysperformance.com
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