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Date: 5-13-08 04:34
From: justinevert
Subject: Help!! Crunch Time, Need Ya'll's Advice About Head Rebuild
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OK, it seems that I finally got my wifes blessing to spend some $$ on a serious rebuilding on Lola's cylinder head. I would like everyone's opinion about Steve and his team at Top End Performance as well as what I have planned for the project:
WHAT I HAVE: Dual Wber 45’s with linkage, Schrick 292 Cam, MSD 6A Electric with BMW Red Coil, Mechanical Distributor with Petronix System, 8MM wires & Bosch Plugs and Valve Rocker Locks, SuperSprint Stainless Ceramic Coated Exhaust Header, Lightened Flywheel, Oversized 320 Radiator, and Oil Cooler. Engine has been previously rebuilt, standard stroke with 89.47 +.045 Oversized “Piano Top Pistons”
WHAT TO BE DONE:
All new Valve Guides (Late-model guides that accept Viton small diameter seals).
New Valve Seats
New Rocker Shafts
New Rocker Arms
Valve job to be 3 angle grind minimum.
All valves are then Hand-lapped and Back-cut for max flow
Complete set of (4) Stainless Steel 47mm Intake and (4) 39mm Exhaust -Valves(8) Titanium Retainers. Heavy-Duty Valve Locks, and Dual Valve Springs
Cylinder heads are Blanchard-ground/machined Top and Bottom with the upper timing cover in place.
Port and Polish of cylinder head and Weber intake runners
Complete Gasket set
ARP Bolting
Would like to have a bolt-on set up, Carbs set ready to drop on as well as electric fuel pump/filter/pres. regulator
I have had great advice from everyone here and I could really, really use any and all input about this set up as well as about the guys at Top End. If you know of anyone else who you can think can do this I would like to know and contact them.
I wait with great expectation and anticipation.
Kindest Regards,
Justin
'75 2002
Lola
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Date: 5-13-08 06:18
From: wegweiser
Subject: Re: Help!! Crunch Time, Need Ya'll's Advice About Head Rebui
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In case you're wondering....I, too was prepared to spend all kinds of silly money on larger valves, wacky machine shop spiffiness, and other tweaks. Eric Kerman's advice: "Don't waste your money, unless it's a dedicated 200+hp track car that runs on race fuel exclusively. Put larger chokes in the DCOEs, set the timing to XXX and drive it."
He was right.
If you aren't aware of Mr. Kerman's credentials - he's been building M10 motors since the 70s, and works full time at a company that builds / rebuilds vintage 40s-80s Formula motors professionally ...Ferrari, Lotus, Cosworth, etc. He built mine w. S14 M3 crank and rods, specially coated bearings (ala NASCAR) and modified the crank nose to fit a stock 2002 pulley as I requested. if you're gonna spend money - get the big dollar rocker arms.That's the part of the motor I worry about at 7000+ rpm..oh!....and the clutch splintering apart!!!!!
My only regret, is that I didn't stuff this motor under the hood of a trashy faded city RAT 2002.....it'd be a LOT more fun!
Paul Wegweiser
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