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I was wondering how much the waste gate solenoid venting action adds to baseline boost as set with the factory size restrictor oriface and the factory wastegate calibration, EXAMPLE, the baseline boost might be 9 PSI, and the ecm can add 6 more for a total of 15 psi max, and also take away...

Just wondering who has got caught by the COPS in a street race , and what happened?

I got a PTE 37 chip and my torque converter locks up ok at about 60 MPH, but when running 70 to 80 mph , on the way down on de-acelleration, I got that buckleling thrashing feeling and the CONVERTER is still locked, similar to the clutch being engaged in fourth gear on a manual transmission and...

HOW will bigger intake valves affect the IDLE engine vacuum with NO other changes, ie, cam, rockers, lifters, stay the same, just bigger intakes, WiLL Idle vacuum DECREASE? INCREASE? STAY THE SAME? REGARDS

I am serious about may getting PROPANE injection kit to offset the PRICE gouching off the unleaded race fuel i was using, Yesterday it cost $4 a gallon at the pump, NOW, TODAY, WHAM BAM , 20% price gouch IN one fell swoop, THIS IS BS!!! I went over to local speed shop , and they are pumping...

JUST wondering if any of those out there running stock turbocharger what is the longest service experienced? I got 93K on stock hot air Riviera, and could have gone alot longer, I destroyed it when a remote oil filter line came off because i forgot to install a 25 cent hose clamp, oh well...

Was just wondering those of you HOT air CARS WITH UPGRADED TA33C turbocharger and ported heads what kind of boost numbers with what chip and what octane gas?? I can go a little over 16-17 with my Riviera 206 roller motor in 3rd and 4th gear without knock on 100 octane. Just changed over to...

I got my new 1.6 Ratio rollers installed today on my comp 206 roller motor on my Riviera. I got low vacuum, 11 -12 HG idle in park, 10 HG in drive at idle. I had 16 or so before the change over on the stock rocker arms, before i blew the head gasket and installed a thicker one and fell short...

I was wondering if the GNX used the same downpipe as the standard GN's ( necked down to 2 1/4" at the exhaust elbow connection end? ALSO is the same crossover with the choked down 2" section on the driver's side.? Regards

NEW TO GN's , I HAVE A CHERRY CANADIAN GN WITH only 24,000 KM MODS include 2.5 hooker downpipe, CAT DELETE , stock 87 exhaust behind downpipe, ported exhaust elbow, stock crossover modified at drivers side for 2.25" THROUGHPUT RACE JACE power plate , irdium spark plugs, new coil, new ign...

ENGINE EXPERTS WHATS IS THE SKINNY ON prep of new GM HYDRAULIC VALVE LIFTERS 5234485 (12) for putting together rebuilt engine ? REGARDS<> Blackhawk38 another 340 fuel pump off victim

HEY Fellows, their is a wonderful write up about Turbo BUICKS in the LATEST issue of HEMMINGS new spin off MAGAZINE (hemming's muscle machines) Pictured IS DENNIS KIRBAN ,one of the GRAND DADDYS of TURBO BUICK KNOWLEDGE AND SELLERS OF THESE FINE CARS Best REGARDS BLACKHAWK 38

:) I am able to get Stock length Sealed power RP-3164 pushrods from advance autoparts for $ 1.29 Each($15.48 set of 12) and wait a day or two, AUTOZONE has standard stock length MELLING's ( MPR-103B in stock for 1.99 each or $ 23.88 for set of 12 any store any day . THE Chrome Moly's from...

AM having fresh 109 build, block has been bored, aligned honed crankshaft apeture; 018 total taken off block and heads, Thinking of using steel shim head gasket. 1985 HOT AIR intake manifold going on this engine Using 188/188 .403 lift crylogenicly treated REED cam and REED rocommended...

:) What is the stock length for push rods ? I will be putting on a re-worked 8445 IRONS with Manley 1.77" intake valve on a Junk yard 1986 2 barrel 109, do not know if the block will be decked down or not, Not a High HP rebuild, .030 Trw pistons, arp main studs, arp rod bolts on stock...

ENGINE GURU's : WHAT is the big difference between these two CLOYES double roller timing chain sets, WHAT makes the 3134 worth 30 bucks more? Please Reply Thanks & Regards BLACKHAWK 38

:) GM 1241851>>>>>> Left hand CLevite 214-1156 Left Hand Sealed power R-870 Left hand Melling K-542-L >>>Left hand GM 1241850 Right hand rocker Clevite>>>214-1155 RIGHT hand Rocker Sealed Power > R-869 RIGHT hand Rocker Melling>>> K-542-R Right hand ROCKER ??? which one has the...

A few places want to sell these is only package of 8, WHAT vendor has JUST 12 at fair Price ? IS GM lifter the way to go with flat tappet camshaft for quietness ? any other Manufacturer of Hydraulic valve lifter JUST as GOOD AS the Stock GM ? Thanks and REGARDS Blackhawk 38

I am undertaking a project of having a 109 block rebuilt for me, I have not chose the pistons yet, but want to go forged and reuse stock connecting rods. ENGINE EXPERTS? What is the advantage to full floating pins , is it overkill on an engine that most likely will only see 350 hp? ANY...

ONE of the latest inovations to hit the racing industry is to CRYROGENICLY (COLD) treat all sorts of parts for more durabillity and less wear, CRANKSHAFTS, PISTON RINGS< CYLINDER BLOCK castings, valve springs, CAMSHAFTS, even spark plugs, BRAKE rotors, JUST wondering who has throughts on this...