Welcome to my page about GMC Syclone on the Internet.

I am a dealer for:
ATR, Applied Technology & Research Inc.
Charged Air Systems (Tony DeQuick's dual intercooler)
McCoy Motorsports (Jerry McCoy Vortec Heads)
Enhanced Performance (HKS, Greddy and more)

Here I'm going to show you what kind of modifications I have done on my Syclone... Just click on a picture to enlarge it.

2fast4u.JPG azev17.JPG emmaboda1.JPG emmaboda5.JPG emmaboda2.JPG emmaboda4.JPG emmaboda3.JPG trolhattan1.JPG trolhattan2.JPG spider181.JPG motor1.JPG" motor2.JPG" motor3.JPG" lowerintercooler dualintercoolerstor.JPG dualintercoolersufront.JPG icgroundclearance gmcdualic1.JPG msd2stage1.JPG plenum1.JPG waterinjectors1.JPG bob.JPG engine1.JPG front1.JPG lfront1.JPG baer1.JPG interior1.JPG intercooler1.JPG twinnturbo.JPG singelturbo1.JPG loweruperintake1.jpg head1.JPG headfront1.JPG

Performance figures:

This truck:

 

Comment:

0-60mph:

3.1s

GTechPro,17"rims

1/4 mile

11.54@122

GTechPro,17"rims

1/8 mile

7.39@95

18"rims

Top speed:

170mph

ask the FerrarisJ

Stock Syclone:

 

 

0-60mph:

5.2

 

1/4 mile:

13.6

 

Top speed:

 

 

Stock Typhoon:

 

 

0-60mph:

5.6

 

1/4 mile:

14.1

 

Top speed:

 

 

 

Modifications:

Dual intercooler from Tony DeQuick has replaced the ATR liquid intercooler
Accel aftermarket engine management system MSD 6AL with a two stage module selector for more consistent launches
Aqua Mist Water injection
ATR headers and downpipe
Precision PT-52 turbo
ATR doublestage fuelpump
McCoy Ported vortec heads
McCoy ported lower and upper intake manifolds
Crane cam
Crane Gold rockers 1.6
Eagle connecting rods
TRW L2442 pistons with Total Seal rings
ARP bolts everywhere in the engine
40lbs injectors
HKS Blow Off valve
Custom made RAM air kit
Polyurethane bushings 9" multidisk converter 3000rpm
Auburn PoziLoc differential
VDO EGT gauge
Autometer electronic fuelpressure gauge
Fibreglass leafsprings
Baer 13" front, 12" rear brakes
...and a few secrets...

Contact me if you want to know more: Mr.Syclone

Last updated: 26/12-99
Copyright Janne Svärdström & Jörgen Karlsson