Has anybody tried the Golen's Engine Service 383 TPI? Their website shows a 305 TPI and 350 TPI, but I talked to them on the phone and they also have a 383 TPI for $2750. Should be a direct swap for me, I'd only need larger injectors and a PROM. Just wanted to see if anyone has any experience with these guys.

Thanks!

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1989 Formula WS6 M5
SLP cold air induction, K&N filter, TPIS modified MAF, TPIS 52mm TB w/ airfoil, Random Tech cats, SLP cat-back, TPIS AFPR, March underdrive pulley, Accel 300+ coil & 8.8mm wires, Bosch Platinum+4 plugs, Hypertech 160°F t-stat & fan switch, Hypertech Streetrunner chip, Centerforce dual-friction clutch, PST front suspension kit, PowerStop cross-drilled rotors, Porterfield Carbon Kevlar pads, Russell SS brake lines, Firehawk SZ50 EP P255/50ZR16.

G-Tech Pro measurements:
0-60 mph: 6.0 sec
212 RWHP

1/8 mile track results: 9.74 sec @ 74.5 mph; 0-60 ft @ 2.35 sec; +0.46 reaction

2001 Trans Am WS6 A4
Stock

More info at website:
http://www.fbody.com/members/stevenmh

I have never heard of them before, but I am also shopping for a new engine. What is their website address? Do you have a link?
thanks

They have a website at http://www.golensengineservice.com . The site has the dyno graphs for the 305 and 350 TPI, the 383 TPI isn't on there, but the guy said it makes about 350 HP and 393 ft-lb.