Project Journals

create a diary for your project and show us your progress, with up to 100 photos!

Go to Thread: PreviousNext
Go to: Forum ListMessage ListNew TopicLog In


slow_M
Bernard Holzberg

(59 posts)

Registered:
07/18/2008 11:12AM

Main British Car:
1975 TVR M series Ford 331

1975 TVR 5500M
Posted by: slow_M
Date: December 07, 2009 02:11PM

Owner: Bernard Holzberg
City: Los Angeles, CA

Car Model: 1975 TVR 2500M (2.5L TR6)

Engine:
(Based on 1988 Ford Mustang 5.0 hydraulic roller lifter motor)

Displacement: 331.646 CI (5434 cc)
Bore: 4.030”
Stroke: 3.25”
Block deck ht. 8.200” (Std-decked)

Cylinder Heads:
AFR 185 (emissions legal) Part #AFR-1422

Camshaft:
Ed Iskenderian Racing Cams 371-RR SPEC/ROLLER CAM RR-573/294HYD, 110LC
(Order number 178188)

Valve Lift - INT: .573 EXT: .573. ADV Duration - INT: 294° EXT: 294° .050 Duration - INT: 248° EXT: 248° Lobe Center: 110°
CAM LIFT: .358"
VALVE LIFT: .573"

Valve train:
Miller Engineering 1.6:1 7075 extruded aluminum 3/8” stud mount Roller rockers part # PA3060B-Y
PS4 valve spring package by FlowTech Induction.

Pistons:
Probe Pistons part # 12357-030
4.030 -Dia.
1.280 -CH
-4.0 -Vol.
489 -Gram

Manufactured of 2618-T6 extruded bar stock forgings.
Intake pocket is 2.150 diameter x .250 deep.
Exhaust pocket is 1.900 diameter x .220 deep
Tight running clearance (.002 to .006)
Weight matched (+/- 2.5 grams)
Finished diameters +/- .00005

Pins:
.927” Dia.
2.500” Length
1018 Steel
150 Wall
118 Grams

Connecting Rods:
Eagle H-beam
Length: 5.315”
Rod big end diameter: ?
Wrist pin diameter: ?
Crank main journal diameter:
Bolts: SPS-CARR 7/16 (torque to 95 Lbs/Ft re-useable)

Crankshaft:
Hawks Racing 4340 FORGED STEEL (3.25") Stroke Crankshaft for use with one piece or two piece rear seal, part # HR-CK-DG3-302A
Stock 302 main journal (2.2486") and rod (2.1232) for use w/ stock Ford 302 Bearings.
Features:
CNC Machine for "Competition" Quality and tolerance
All Journals micro polished to 5rms finish
Rounded Crank Throws for superior windage
Generous .125" throw radii for superior strength
Large chamfered oiling holes for improved lubrication
Can be balanced to 28.2 or 50 oz imbalance
Magna-fluxed, ultrasonic tested, nitrated and shot peened for lasting durability and performance. 100,000psi Tensile Strength and Double Heat Treated

Steel main bearing cap girdle fitted.

Engine Management:
ECU: tbd

Fuel System:
Paxton 1000 HP Fuel Pump ........………………….... part # 8001688
Paxton Fuel Filter ......................…………………....... part # 8001689
Fuel Filter Element ………………………..... part #
Paxton 5/8" ID billet Fuel Rails .......................…....... part # 5007026-2
Paxton Adjustable Fuel pressure Regulator ….….. part # 8001690
Injectors..........................

Intake manifold:
Parker Funnel Web
Will be Modified with addition of injector bungs

Oiling:
Barnes Systems, 9017 series, 6-stage pump with 3-lobe rotor
belt driven off crankshaft

Cooling:
NONE AS YET

Exhaust: not completed
Will (at least initially) be based on Hooker Header flanges
Stepped design with 1-5/8" & 1-3/4" primaries

Differential:
Toyota Supra (1989 & newer) clutch type limited slip w/ six-bolt (CV joint) flange
Ratio - 3.67:1

Transmission:
Transmission Technologies Corporation (TTC) Tremec model 3550 five speed w/ (?what position?) shifter. (# of spline input shaft??)
torque rating of approx 375ft/lb(3550) improved synchronizers & improved shift.
Gear ratios:
1st........….....3.27:1
2nd......…......1.98:1
3rd......…........1.3:1
4th........….........1:1
5th(OD)…...0.068:1


Rear Axles:
...will be custom units

Suspension:

The rear uprights/hub carriers were reinforced by addition of 3/8" plates in the original casting holes at the rear face
upright-rear.JPG
and modified to allow the use of Nissan 240SX stub axles, hubs and brakes (-see below)
assembly.JPG
All suspension arms are OEM TVR, all of these, with the exception of one rear lower A-arm are nickel plated as originally installed.
Rear lower “A” arms were reinforced by adding triangulation (see below)
a-arm mod.JPG

Shock Absorbers:
Spax 14-way adjustable part # G767-S180 for T.V.R. front & rear

Springs:
Front: 14” 225Lbs
Rear: 14” 130Lbs

Suspension bushings:

Manufacturer: SuperFlex
SPF0731/19 -3/4" Front Anti Roll Bar to Body Bush-2 req
SPF0288 - Front & Rear Wishbone Cotton Reel Bush & Stainless Steel -uses 24 per car
SPF0941 Steering Rack Mount Bush
WARNING: Bushes must not come into contact with alcohol-based solvents such as MEK, methanol, or methylated spirit.

Suspension set-up data:
(To be used as a starting point only!)

Toe-in –front 0Ί30’ or 1/8”
Camber –front 0Ί to 1Ί negative
Toe-in –rear 0Ί20’
Camber –rear .5Ί negative to 1.5Ί negative

Brakes:
(master)
Front Brakes:
Mazda RX7 (1989-1991) four piston Aluminum calipers and 10.9” vented disc. (find out spec on thickness!!) (also, find out piston diameter)
Rear Brakes:
Nissan 240SX (1989-93) single piston, solid disc
Brake Lines:
Stainless steel braided lines Russell part # 8560/685600 (street legal Mazda RX-7 88-92) UPC 087133856001

Wheels:
John Purner's Complete Custom Wheel three piece wheels -polished centers machined from 6000 series forgings w/ polished, spun 5000 series shells
Front..... on 4 1/2"(114.3mm) X 5-bolt w/ " backspace
Rear.....9 1/2" wide on 4 1/2"(114.3mm) X 4-bolt w/ 4 1/2" backspace
John@ccwheel.com

Wheel studs:
Front.......12mm x 1.50 thread pitch (Mazda)
Rear........12mm x 1.25 thread pitch (Nissan)

Tires:
Front: Kumho Exsta Supra 712 235/40 WR18

Rear: Kumho Exsta Supra 712 275/35 WR18
(25.57” Diameter)
(80.35” Circumference)

Body Mods:
None as yet.
Hood was replaced after an accident with a lighter one from David&Gerald

Interior: Corbeau seats, plan to work on dashboard during the winter after determining exact roll cage location

Electrical: Will be removed and replaced. I have a complete harness from the 1988 Mustang that was the engine block donor.
IMAGE_019 - Copy.jpg
new dash
2011-11-20 17.40.08-small.jpg
Bwahahahaha!
2011-11-20 17.42.03-small.jpg
2017/11/16 Update: lots of nit-picky @#$%& done, and a ton more to do.



Edited 7 time(s). Last edit at 11/17/2017 12:12AM by slow_M.


Moderator
Curtis Jacobson
Portland Oregon
(4362 posts)

Registered:
10/12/2007 02:16AM

Main British Car:
71 MGBGT, Buick 215

authors avatar
Re: 1975 TVR 5500M
Posted by: Moderator
Date: March 22, 2018 02:01AM

+


Sorry, you do not have permission to post/reply in this forum.