Thunder Racing 408 info
523hp/475tq thru full exhaust
534hp/486tq open header
These are very impressive numbers. I am pleased with thunder and would recommend anyone to build a motor with them. 1yr warranty when installed by Thunder. Did you read the latest GM Tech magazine. No one else will stand by their work like this(NO ONE). Thanks to All Thunder Staff.
Here is a list of all modifications
TR 408
GM 6.0l block .030over 11.6CR
eagle 4.00 crank
Diamond pistons/Manley rods
AFR 225 heads
248/254 cam
Fast Intake/ NW Throttle Body
1 7/8 QTP w/high velecity collector.
Custom Y-pipe
Hooker Cat-back
BMR K-Member & A-arms
Baer Eradispeed
Moser 12-bolt 4.11
Also watched Geoff tune a TA with stock block and stock heads with a t-rex and 4400 stall and he has that car driving without any problems whatsoever. Hands down He has got to be one of the best tuners in the country on these big cam cars.
Can't wait for track times
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