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#41
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….Hagerstown, Maryland...not ND (North Dakota)!
Dennis |
#42
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That was a great story and a great build. I hope I can get 80% of what you got, in my build.
Greg |
#43
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Dennis |
#44
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505 CID, 3560 lbs,Tiger heads, NA. 8.99@149.8 mph, 1.29 60', stock suspension |
#45
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Dennis |
#46
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I only made a few runs at Norwalk , my daughter drives/races it also . It went 12.04@113 mph with full exhaust , ra exh manifolds , 3.55 gear , turbo 400 and steel wheels with drag/ street radials . Just has a tci 10 " street converter and just leave it in drive . I have the engine out for some changes , new ring set and going to do a little .more work on heads . Can't just leave things alone , lol .
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505 CID, 3560 lbs,Tiger heads, NA. 8.99@149.8 mph, 1.29 60', stock suspension |
#47
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Nice running T-37 Mike.
Dennis, don't want to clutter up your thread, will catch up w you soon.
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Buzzards gotta eat... same as worms. |
#48
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Roger, Clutter away...I don't mind since there isn't much going on right now.
Mike, I really am a fan of Canyon Copper and the GT eye brow stripes! Dennis |
#49
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the D98 stripes really do look excellent on the canyon copper. I bought a set to try on my castillion bronze T-37 but never got them installed before i sold it.
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1972 Pontiac LeMans Thanks to Fuelab Digital Fuel Delivery Quarter-Max Chassis and Racing Components |
#50
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Coupe 23327 3336 lbs. Turbo H-M (400) 23 lbs. 400 V-8 4-bbl. Engine 245 lbs. Power Steering 31 lbs. Power Brakes (Drum Frt.) 9 lbs. Radio 8 lbs. Add for 12-Bolt Rear Axle 15 lbs. Total Estimated AMA Weight 3667 lbs. Previous Owner Weight 225 lbs. Total Race Weight 3892 lbs. Remove 75 lb. driver difference (75 lbs.) My Race Weight 3817 lbs. The previous owner ran without the spare and jack, so add another 60 lbs. to his scaled weight of 3680 lbs. = 3740 lbs. with him and a half tank…3801 lbs. with a spare and full tank of gas. Remove my 75 lbs. difference and that equals 3726 lbs. with me behind the wheel with spare and a full tank. So, that probably looks a bit more plausible. Take off the power steering (31 lbs.), half tank of gas (61 lbs.), and the spare/jack (60 lbs.) and the weight drops 152 lbs. to 3574 lbs. (3665 lbs. based on the AMA weights for a 91 lb. discrepancy). I probably made this a lot more confusing than it has to be, but that’s my math and we’ll see next year. Dennis |
#51
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Dennis,
What stall rpm are you running? Greg |
#52
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Thanks Dennis, makes a lot of sense, getting closer. Have the '70-72 Pontiac A-body AMA sheets as well. Believe your a little heavy on the (+) for the 12 bolt, will weigh the 71 Coupe's XUK as its currently on the bench. In shipping fresh restored posi rears over the years, have noted a '71-72 8.5 A-body posi rear weighs about 6 -10 lbs more than same width similar ratio stock housing 12 bolt posi rear. Gray iron Pontiac 8.2 10 bolts, definitely lighter than both. Noticed an add of 28.6 lbs was overlooked by Pontiac for dual exhaust on 233-235-237 series on the '70 AMA sheet. That is the number on the '71 AMA sheet & was optional both years exc where std (& slightly heavier) on GTO & GT-37. Am working up more detailed exhaust weights, both for original stock dual exhaust & for exact aluminized version with long case Dynomax Super Turbo's. Working on a mandrel bent, while more correct shaped 2.5" system system as well.
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Buzzards gotta eat... same as worms. |
#53
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Greg, I have two convertors I'm going to try, the first is the one that came with the Tempest and its a Continental "tight" 10" that really won't offer any benefit with Wide Ovals on the track, but, I'm curious to see how 'tight' it is. The second is a stock GM 13" factory convertor, which I prefer since it is tight and will work best with the torque the XV 400 makes (down low and right now).
The Continental will flash to 3400 rpm with sticky tires and the stock one to 2000 rpm. According to the previous owner, the Continental will break loose power-braking at 2400 rpm on Wide Ovals, so its pretty tight...obviously higher with stickies. Dennis |
#54
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Dennis |
#55
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My ‘71 Nordic silver had dark green (almost black) wheels with dog dishes.
Thought they were black until,I popped the caps to wash under them. It is a Fremont car. Who knows what they were smoking. LOL No cid emblems and 066 instead of 068 cam. Great thread.
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JLP |
#56
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Thanks Jack! It's been fun...and eye opening to say the least. Strange your car got LG painted steelies on a Silver T-37...but maybe the worker was color blind, or they ran out of black wheels. Cool little tidbit about your car.
Do you still have the wheels? Dennis |
#57
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XV 400 Installation
Switching gears a little from the GT-37 and Formula to the Tempest. The XV 400 has landed...finally. We installed the motor on good condition original Pontiac motor mounts along with a new engine harness that replaces a replacement that was cut up and for an HEI (no ballast resister as I am running points). TH400 goes in next week along with the driveshaft and a few improvements.
Dennis |
#58
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You guys sure have some cool toys;
I've wondered what your stance on hiring foreign workers might be lol
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
#59
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Thanks Jonny...got the trans and driveshaft in today...can't beat the weather, sunny in the upper 60's. Sorry Jonny, I'm the un-paid help.
Dennis |
#60
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Beautiful, fast car.
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1970 GTO (Granada Gold) - 400 / TH400 |
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