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NIB. Fits 1990-1996. $60 + shipping. Please email me at Red90L98@yahoo.com

large tube runners port-matched & roll-sanded to a fully ported stock intake plenum by LPE. both for $350 total + shipping (price reduced from $400) please email me at: Red90L98@yahoo.com pics:

My idle drops and recovers about 10 or so times until it finally achieves a steady idle, after coming to a stop. It doesn't wander, its not high; it simply drops and recovers as I mentioned. Idle is set at 850rpms on the chip. No vacuum leaks; its steady at 15". TPS is steady at .53v. IAC bore...

Those with Superrams & cams, heads, exhaust............Would love to hear your description of spirited daily driving --- both straight line (highway driving, etc), around town and especially out in the country (all the curves)........How does it feel, how does it compare to when you had the...

Using HVAC conversion codes, I only see #16 which means coolant temp, in degrees celsius, for my '90. I see no digital redout capability for oil temp. How do I find out what my oil temps are - is there a formula or some other method of determination? The almost useless analog guage...

Ever since my engine rebuild, the tach in my '90 has gone haywire. Sometimes the tach works smoothly, most of the time the needle is all over the place. Connection to distributor seems solid, there is no corrosion. My only guess at this point (other than a new or reconditioned cluster) is that...

Hi everyone, Using the correct Fel-Pro valve cover gaskets, OE valve covers. Experiencing oil leaks at rear corners (opposite side of baffle) of both valve covers. Looking up from underneath, the gaskets are not sealing all the way to the rear edges, you can't see the blue gasket material at...

I posted this in the Callaway section, I apologize for the dupe........... I need to replace my dual mass flywheel & clutch assembly in my '90. Although I don't have a Callaway, I contacted Callawaycars.com briefly last week, and was quoted $775 for a replacement kit. This seems very...

I need to replace my dual mass flywheel & clutch assembly in my '90. Although I don't have a Callaway, I contacted Callawaycars.com briefly last week, and was quoted $775 for a replacement kit. This seems very reasonable vs. the outrageous GM version, and I admit I was surprised. Apparently...

Does anyone know the spring recommendation for the LPE 74219 cam? I'm getting AFR 195cc heads, the springs are set up with 120# at the seat & 300# open pressure. Will the cam work well within these parameters? Also, question on total lift.....this cam w/1.6RR's is .560/.560. The springs on...

To anyone who has TPI-style intake (modifed to whatever degree) and ported/aftermarket heads, AND is running a cam that is in the 220-224* intake duration and/or lift in the .500+ area, I would like to hear from you. How solid is the performance? I've been very strongly considering the LT4 HOT...

There seems to be some dicrepancy in info I'm getting. Is it 58cc on the stock D113 heads? Also, compression ratio.....I've seen several websites that say the C/R is 9.5:1. My GM Dealer Service Manual STD-364-90SB + the GM shop manual says the '90 corvette got the new lightweight low friction...

I just received an Accel SR manifold, Accel LTRs, stock plenum and 52mm TB from another forum member, all ported & matched as an entire working unit by LPE. The workmanship looks very good, and the condition of everything is excellent. The aluminum cast Accel runners are substantial and look...

Intake: Superram manifold, AS&M large tube runners, ported stock plenum Exhaust: headers, aftermarket cat-back, hi flow main cat Cam: 218 - 220 duration @ .050 on intake lobe Tranny is a ZF-6 Want to leave room for possibly going with full SR intake setup, this may or may not happen down the...

'90 Frisbee - Remval Caused Engine Vibration In mine, its connected directly to the water pump. Removing it was a bad idea - I've been driving a couple hundred miles and there's annoying vibration from about 2,000-4,000 RPMs. This can't be very good for the bearings, and its not a smart idea to...

Does anyone have the performance numbers (hp, torque/torque curve, RPMs) on a '90 L98.....all stock setup vs. this cam w/1.6RR's + modified TPI w/AS&M LTr's + complete exhaust upgrade?..........Or something closely approximating this scenario? Thanks!

These kits can be had for a cheap price, $479. Who has this kit on a later L98 (88-91), how do you feel about the quality of the Crane Gold 1.6RR's, the LT4 springs, performance feel & characteristics on an L98, etc. Intake & exhaust mods would be a given (will do those) For street use only...

What kind of heat under the hood is generated by putting on a set of exhaust headers? I've heard anywhere from very little - to alot. 1990 L98. Also....how long on average does a pair of Hooker longtube headers last before replacement is necessary? What are the telltale signs that replacement...

I am soon getting Hooker long tube headers & their front Y-pipe. I already have a Magnaflow cat-back installed. Main cat is stock. Will I need to have a chip burned to accomodate the effect of this exhaust mod, or is the stock programming fine? BTW, I have a lower temp fan switch and 160 t-stat...